Fernando de Aguiar Lemos - Academia.edu (original) (raw)
Papers by Fernando de Aguiar Lemos
Several studies were registered in the literature to modulate the Heart Rate Variability (HRV) in... more Several studies were registered in the literature to modulate the Heart Rate Variability (HRV) in the elderly. However they are focused on the physical ability of conditioners. Little is known about the effects that structured coordinative training in circuits can promote in the HRV of the elderly. The objective of the present study was to investigate the effect of 8 weeks of a coordinative intervention under autonomic aspects of the elderly. 26 subjects were divided into two groups. One group (N = 13) with the Coordination Approach in Circuit (CACG) and the other group (N = 13) with the Recreational Walk (RWG). To measure HRV, a cardiofrequencimeter was used. Motor Circuit Model was used for the motor evaluation, which consisted of 8 coordinative exercises. For the evaluation of functional physical fitness, the Fullerton battery was used. After 8 weeks of intervention, both HRV variables and motor variables did not differ between groups. However, when the pre and post intervention ...
Several factors can change lower limb alignment, including femur morphology. A large misalignment... more Several factors can change lower limb alignment, including femur morphology. A large misalignment may increase joint stress, decrease intra-articular space and contribute for the development and progression of knee osteoarthritis. Thus, the aim of this study was to determine the influence of femur's morphological land markers and lower limb misalignment on the intra-articular space (IAS) of the knee medial compartment. Results: Association of the 0.91 and 82% multiple influences between femur's morphology and IAS were observed. A negative correlation was observed between the femur neck length (FNL) and the angle between femur anatomical and mechanical axes (ƟFM-FA) with IAS. A positive correlation was observed for condylar hip angle (ƟCH) and femoral neck angle (ƟFN) with IAS. Limb misalignment showed a 0.93 association of hip-knee-ankle angle (ƟHKA) and condylar plateau angle (ƟCP) with IAS. Also an 86.6% multiple influences were observed with IAS variation. Conclusion: Strong association and multiple influences were observed between femur's morphology and lower limb misalignment with narrowing of the IAS.
Intensive Care Medicine Experimental, 2015
dehydrogenase (U/L), and haptoglobin (g/L) were analyzed. Samples for analysis were collected dir... more dehydrogenase (U/L), and haptoglobin (g/L) were analyzed. Samples for analysis were collected directly from the RBC (C1) bags external ports, after free flow of the blood component on the infusion disposable set (C2) and after submitted to the studied rate (E), exception made to haptoglobin that was analyzed in C1 and E. Data obtained were analyzed according to mean ± standard deviation, ANOVA and t student tests (p≤0.05). Results: A total of 54 analyses were performed. The comparisons between C1, C2 and E biomarkers values and hemolysis ratio demonstrated no significant variation: plasma hemoglobin of 0.
Intensive Care Medicine Experimental, 2015
the lower extremities was performed once daily for 20 minutes, at 20 revolutions per minute, unti... more the lower extremities was performed once daily for 20 minutes, at 20 revolutions per minute, until extubation or day 7 of the protocol plus conventional physical therapy in the intervention group. Bronchial hygiene maneuvers and passive exercises for the upper and lower extremities were performed twice daily for 30 minutes in both groups. Results: Thirty-two patients were included in the final analysis: 18 in the intervention group (52.3 ± 22.7 years) and 14 in the conventional group (56.1 ± 23.0 years). The interaction group*time showed no difference in the crosssectional thickness of the quadriceps muscle (p = 0.100) or in the vastus lateralis fascicle length (p = 0.712), pennation angle (p = 0.603) and muscle thickness (p = 0.552) as assessed by ultrasound before and after the protocol. Conclusion: There was preservation of muscle thickness and architecture in the acute phase of ICU stay. However, the addition of exercise using a cycle ergometer to conventional physical therapy did not change the outcomes analyzed.
2011 IEEE Nuclear Science Symposium Conference Record, 2011
ABSTRACT Quantification of clinical parameters in osteoarthritis (OA) diagnosis is important for ... more ABSTRACT Quantification of clinical parameters in osteoarthritis (OA) diagnosis is important for the health professionals' intervention. The purpose of this study was to develop a computational toolkit that quantifies morphologic, anthropomorphic and mathematical parameters of the lower limb to help those professional on periodical evaluation of patients. The developed toolkit is reliable, semiautomatic and reproductive. This toolkit considers the influence of image amplification and distortions. Its functions were validated in two different ways: through a non-anthropomorphic and an anthropomorphic calibration system of known dimensions. Accuracy and reproducibility were determined with the calibration systems prior to the use of the toolkit to analyze human X-rays images of OA patients. The tool allows a safe evaluation of the patient for two-dimensional images. Today the follow-up of OA is accomplished with computerized tomography, which increases the patient's absorbed dose. This is potentially harmful due to the increased radiosensitive effects of this radiation (possibly affecting blood production) increasing the risk of those patients that need periodical evaluations. The developed toolkit was able to quantify morphologic, anthropomorphic and mathematical parameters of the lower limb, reducing the subjectivity of the evaluation of bi-dimensional X-rays images.
Revista Brasileira de Medicina do Esporte, 2010
OBJETIVO: Verificar a associação da força muscular respiratória com a capacidade funcional, força... more OBJETIVO: Verificar a associação da força muscular respiratória com a capacidade funcional, força proximal de membros inferiores e variáveis bioquímicas em pacientes em hemodiálise (HD). MÉTODOS: Participaram deste estudo 30 indivíduos (18 homens), com 53,4 ± 12,9 anos e tempo de HD de 41,1 ± 55,7 meses. Foram avaliados pressão inspiratória máxima (PImax), pressão expiratória máxima (PEmax), distância percorrida no teste de caminhada de seis minutos (6MWT), número de repetições no teste de sentar-e-levantar em 30 segundos (TSL) e registrados os exames bioquímicos de rotina no serviço. RESULTADOS: Houve diminuição da PEmax em relação aos valores preditos (p = 0,015) e redução na distância percorrida no 6MWT quando comparados com equações de predição (p < 0,001). O logPImax e o logPEmax correlacionaram-se com o número de repetições no TSL (r = 0,476, p = 0,008; r = 0,540, p = 0,002, respectivamente), e com os níveis séricos de fósforo (r = 0,422, p = 0,020; r = 0,639, p < 0,001,...
Brazilian Journal of Kinanthropometry and Human Performance, 2014
Artistic Gymnasts (AG) execute specific movements that require substantial movement control and f... more Artistic Gymnasts (AG) execute specific movements that require substantial movement control and force production at the ankle joint. This high demand might change the neuromechanical properties of the ankle joint muscles in these athletes compared to non-athlete girls (NAG). The aim of this study was to compare muscle activation and torque production at the ankle joint between AG and NAG. Ten AG (11.70 ± 1.06 years of age) and 10 NAG (11.70 ± 1.49 years of age) participated in the study. Electromyographic (EMG) signals of medial gastrocnemius (MG), soleus (SO) and tibialis anterior (TA) were obtained simultaneously to the maximal isometric plantarflexion (PFT) and dorsiflexion (DFT) torques of the dominant limb during a maximal voluntary isometric contraction (MVIC) at five different joint angles (20°, 10°, 0°, -10° e -20°). Neuromuscular efficiency was also calculated by the Torque/EMG ratio. AG presented higher PFT (p 0.05). In addition, AG showed higher values for plantarflexion ...
Journal of Physical Education
Diversas intervenções têm sido relatadas na literatura com intuito de modular o comportamento da ... more Diversas intervenções têm sido relatadas na literatura com intuito de modular o comportamento da Variabilidade da Frequência Cardíaca (VFC) em idosos. Entretanto a maioria deles são focados em capacidades físicas condicionantes. Pouco se sabe sobre os efeitos que um treinamento coordenativo estruturado em circuitos pode promover na VFC de idosos. O objetivo do presente estudo foi investigar o efeito de 8 semanas de uma intervenção coordenativa sob aspectos autonômicos de idosos. 26 sujeitos foram divididos em dois grupos. Um grupo (N=13) com Abordagem Coordenativa em Circuito (GACC) e outro grupo (N=13) que realizou Caminhada Recreacional (GCR). Para a mensuração da VFC foi utilizado um cardiofrequencímentro. Para avaliação motora foi utilizado um Circuito Motor Modelo que consistiu em 8 exercícios de coordenação. Para avaliação da aptidão física funcional foi utilizada a bateria de Fullerton. Após 8 semanas de intervenção tanto as variáveis da VFC como as variáveis motoras não dife...
Current Aging Science
Background: A decrease in the physical activity level in old age is common, which results in an i... more Background: A decrease in the physical activity level in old age is common, which results in an increase in the number of falls and chronic conditions. Associated with that occurs the decline in motor skills as a result of the deficit in the interaction of cognitive and motor processes. Physical activity level can be associated differently with each motor domains. Objective: We analyzed the relationship between physical activity level and motor aptitude, and to identify which motor domains were most sensitive to detect insufficiently active level in older adults. Methods: Participated in the study 385 elderly people of both sexes. For the evaluation of the subjects were adopted the International Questionnaire on Physical Activity and the Motor Scale for Older Adults. Results: The majority of the elderly were active. In the comparison of motor aptitude between active and insufficiently active (IAC) elders a significant difference was found in the Global Coordination, Balance, Body Sc...
Topics in Stroke Rehabilitation
International Journal of Physical Medicine & Rehabilitation
Jornal brasileiro de nefrologia : 'orgao oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. To comp... more Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. To compare the level of physical activity and the morphology of the muscles pectoralis major and rectus abdominis of patients on hemodialysis with healthy subjects. We studied 17 patients and 17 healthy individuals. Muscle thickness were evaluated by ultrasound, and the level of physical activity by the International Physical Activity Questionnaire (IPAQ), long version. The patients had lower thicknesses of the pectoralis major (5.92 ± 0.35 mm vs. 8.35 ± 0.62 mm, p < 0.001) and rectus abdominis (0.96 ± 0.10 mm vs. 2 21 ± 0.40 mm, p < 0.001) compared to healthy subjects. Patients were physically less active than healthy individuals: 1502.55(788.19-2513.00) MET-minutes/week vs. 2268.0(1680.0-4490,8) MET-minutes/week (p = 0.006); the weekly caloric expenditure of patients was also lower: 1384.0(480,7-2253.7) kcal/kg/week vs. 1680.0(1677.4-4950.0) kcal/kg/week (p = 0.010). The average time sp...
Introdução: Crianças com câncer apresentam diversas limitações fi siológicas que podem limitar a ... more Introdução: Crianças com câncer apresentam diversas limitações fi siológicas que podem limitar a motricidade e afetar o desenvolvimento. Desta forma, o objetivo do estudo foi avaliar fatores físicos, motores e psicossociais em crianças e adolescentes com câncer e comparar com crianças e adolescentes hígidas. Métodos: Foram avaliadas 36 crianças e adolescentes com idades de 05 a 18 anos de idade de ambos os sexos, sendo 15 crianças portadoras de câncer (G1) e 21 crianças saudáveis pareadas por sexo e idade (G2). Foram avaliadas a qualidade de vida (questionário Peds QL versão 4.0); Imagem Corporal (escala de desenho de silhuetas); Equilíbrio (escala de BERG) e o Nível de atividade física (questionário internacional de nível de atividade física-(IPAQ)). Resultados: Observou-se diferença estatisticamente signifi cativa quando avaliado o G1 com o G2 nas variáveis equilíbrio (G1=53,53±3,48 e G2= 55,76±0,43; p=0,027) e no domínio capacidade física avaliada no questionário de qualidade de vida (G1=631,67±194,21 e G2=766,67±45,64; p= 0,018). Para as demais variáveis como qualidade de vida total (p=0.057), IPAQ (p>0,132) e imagem corporal (p=0,230), não foram encontradas diferenças signifi cativas. Conclusão: Foi possível observar que crianças com câncer quando comparadas com crianças hígidas apresentam defi ciência no equilíbrio e no domínio "capacidade física" do questionário de qualidade de vida. Apesar destes resultados, as crianças com câncer não diferem em relação aos níveis de atividade física e imagem corporal. Estas informações tornam-se relevantes para caracterizar este grupo de pacientes e podem ser utilizadas numa ação interdisciplinar entre os profi ssionais da saúde.
... Title, Desenvolvimento de um programa de análise de imagens radiológicas de membros inferiore... more ... Title, Desenvolvimento de um programa de análise de imagens radiológicas de membros inferiores com osteoartrite de joelho a partir de parâmetros biomecânicos funcionais. Author, Lemos, Fernando de Aguiar. Advisor, Vaz, Marco Aurelio. Co-advisor, Hoff, Gabriela. Date, 2010 ...
The clinical respiratory journal, 2015
The objective of this study was to evaluate the neuromechanical properties of the knee extensor m... more The objective of this study was to evaluate the neuromechanical properties of the knee extensor muscles before and after the six-minute walk test (6MWT) in chronic obstructive pulmonary disease (COPD) patients and control subjects. COPD patients from the Department of Pulmonology of the Hospital de Clinicas de Porto Alegre (HCPA) and age- and sex-matched control volunteers without COPD were included in this study. Body composition and lower limb strength assessed by maximal voluntary isometric contraction (MVIC) of the knee extensors) were assessed before and after the 6MWT. The total reaction time (TRT), premotor time (PMT) and motor time (MT) were assessed using surface electromyography of the rectus femoris and vastus lateralis knee extensor muscles. Eighteen patients COPD patients (10 men, FEV1 36±12% of predicted) and 8 control subjects (5 men, FEV1 82±7% of predicted) were included. COPD patients had lower muscle strength before (21.77 ± 7.86 kg) and after the 6MWT (11.16±4.70...
Trials, 2015
Background: Patients in Intensive Care Units (ICU) are often exposed to prolonged immobilization ... more Background: Patients in Intensive Care Units (ICU) are often exposed to prolonged immobilization which, in turn, plays an important role in neuromuscular complications. Exercise with a cycle ergometer is a treatment option that can be used to improve the rehabilitation of patients on mechanical ventilation (MV) in order to minimize the harmful effects of immobility. Methods/Design: A single-blind randomized controlled trial (the MoVe ICU study) will be conducted to evaluate and compare the effects of early rehabilitation using a bedside cycle ergometer with conventional physical therapy on the muscle morphology of the knee extensors and diaphragm in critical ill patients receiving MV. A total of 28 adult patients will be recruited for this study from among those admitted to the intensive care department at the Hospital de Clínicas de Porto Alegre. Eligible patients will be treated with MV from a period of 24 to 48 h, will have spent maximum of 1 week in hospital and will not exhibit any characteristics restricting lower extremity mobility. These subjects will be randomized to receive either conventional physiotherapy or conventional physiotherapy with an additional cycle ergometer intervention. The intervention will be administered passively for 20 min, at 20 revolutions per minute (rpm), once per day, 7 days a week, throughout the time the patients remain on MV. Outcomes will be cross-sectional quadriceps thickness, length of fascicle, pennation angle of fascicles, thickness of vastus lateralis muscle, diaphragm thickness and excursion of critical ICU patients on MV measured with ultrasound. Discussion: The MoVe-ICU study will be the first randomized controlled trial to test the hypothesis that early rehabilitation with a passive cycle ergometer can preserve the morphology of knee extensors and diaphragm in critical patients on MV in ICUs.
Clinical Biomechanics, 2015
Acute ruptures of the Achilles tendon affect the tendon&amp;amp;amp;amp;amp;amp;amp;amp;a... more Acute ruptures of the Achilles tendon affect the tendon&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s structural and mechanical properties. The long-term effects of surgical repair on these properties remain unclear. To evaluate effects of early mobilization versus traditional immobilization rehabilitation programs 2years after surgical Achilles tendon repair, by comparing force-elongation and stress-strain relationships of the injured tendon to those of the uninjured tendon. A group of males with previous Achilles tendon rupture (n=18) and a group of healthy male controls (n=9) participated. Achilles tendon rupture group consisted of patients that had received early mobilization (n=9) and patients that had received traditional immobilization with a plaster cast (n=9). Comparisons of tendon structural and mechanical properties were made between Achilles tendon rupture and healthy control groups, and between the uninjured and injured sides of the two rehabilitation groups in Achilles tendon rupture group. Ultrasound was used to determine bilaterally tendon cross-sectional area, tendon resting length, and tendon elongation as a function of torque during maximal voluntary plantar flexion. From these data, Achilles tendon force-elongation and stress-strain relationships were determined. The Achilles tendon rupture group uninjured side was not different from healthy control group. Structural and mechanical parameters of the injured side were not different between the Achilles tendon rupture early mobilization and the immobilization groups. Compared to the uninjured side, the injured side showed a reduction in stress at maximal voluntary force, in Young&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s modulus and in stiffness. Two years post-surgical repair, the Achilles tendon mechanical properties had not returned to the uninjured contralateral tendon values.
Several studies were registered in the literature to modulate the Heart Rate Variability (HRV) in... more Several studies were registered in the literature to modulate the Heart Rate Variability (HRV) in the elderly. However they are focused on the physical ability of conditioners. Little is known about the effects that structured coordinative training in circuits can promote in the HRV of the elderly. The objective of the present study was to investigate the effect of 8 weeks of a coordinative intervention under autonomic aspects of the elderly. 26 subjects were divided into two groups. One group (N = 13) with the Coordination Approach in Circuit (CACG) and the other group (N = 13) with the Recreational Walk (RWG). To measure HRV, a cardiofrequencimeter was used. Motor Circuit Model was used for the motor evaluation, which consisted of 8 coordinative exercises. For the evaluation of functional physical fitness, the Fullerton battery was used. After 8 weeks of intervention, both HRV variables and motor variables did not differ between groups. However, when the pre and post intervention ...
Several factors can change lower limb alignment, including femur morphology. A large misalignment... more Several factors can change lower limb alignment, including femur morphology. A large misalignment may increase joint stress, decrease intra-articular space and contribute for the development and progression of knee osteoarthritis. Thus, the aim of this study was to determine the influence of femur's morphological land markers and lower limb misalignment on the intra-articular space (IAS) of the knee medial compartment. Results: Association of the 0.91 and 82% multiple influences between femur's morphology and IAS were observed. A negative correlation was observed between the femur neck length (FNL) and the angle between femur anatomical and mechanical axes (ƟFM-FA) with IAS. A positive correlation was observed for condylar hip angle (ƟCH) and femoral neck angle (ƟFN) with IAS. Limb misalignment showed a 0.93 association of hip-knee-ankle angle (ƟHKA) and condylar plateau angle (ƟCP) with IAS. Also an 86.6% multiple influences were observed with IAS variation. Conclusion: Strong association and multiple influences were observed between femur's morphology and lower limb misalignment with narrowing of the IAS.
Intensive Care Medicine Experimental, 2015
dehydrogenase (U/L), and haptoglobin (g/L) were analyzed. Samples for analysis were collected dir... more dehydrogenase (U/L), and haptoglobin (g/L) were analyzed. Samples for analysis were collected directly from the RBC (C1) bags external ports, after free flow of the blood component on the infusion disposable set (C2) and after submitted to the studied rate (E), exception made to haptoglobin that was analyzed in C1 and E. Data obtained were analyzed according to mean ± standard deviation, ANOVA and t student tests (p≤0.05). Results: A total of 54 analyses were performed. The comparisons between C1, C2 and E biomarkers values and hemolysis ratio demonstrated no significant variation: plasma hemoglobin of 0.
Intensive Care Medicine Experimental, 2015
the lower extremities was performed once daily for 20 minutes, at 20 revolutions per minute, unti... more the lower extremities was performed once daily for 20 minutes, at 20 revolutions per minute, until extubation or day 7 of the protocol plus conventional physical therapy in the intervention group. Bronchial hygiene maneuvers and passive exercises for the upper and lower extremities were performed twice daily for 30 minutes in both groups. Results: Thirty-two patients were included in the final analysis: 18 in the intervention group (52.3 ± 22.7 years) and 14 in the conventional group (56.1 ± 23.0 years). The interaction group*time showed no difference in the crosssectional thickness of the quadriceps muscle (p = 0.100) or in the vastus lateralis fascicle length (p = 0.712), pennation angle (p = 0.603) and muscle thickness (p = 0.552) as assessed by ultrasound before and after the protocol. Conclusion: There was preservation of muscle thickness and architecture in the acute phase of ICU stay. However, the addition of exercise using a cycle ergometer to conventional physical therapy did not change the outcomes analyzed.
2011 IEEE Nuclear Science Symposium Conference Record, 2011
ABSTRACT Quantification of clinical parameters in osteoarthritis (OA) diagnosis is important for ... more ABSTRACT Quantification of clinical parameters in osteoarthritis (OA) diagnosis is important for the health professionals' intervention. The purpose of this study was to develop a computational toolkit that quantifies morphologic, anthropomorphic and mathematical parameters of the lower limb to help those professional on periodical evaluation of patients. The developed toolkit is reliable, semiautomatic and reproductive. This toolkit considers the influence of image amplification and distortions. Its functions were validated in two different ways: through a non-anthropomorphic and an anthropomorphic calibration system of known dimensions. Accuracy and reproducibility were determined with the calibration systems prior to the use of the toolkit to analyze human X-rays images of OA patients. The tool allows a safe evaluation of the patient for two-dimensional images. Today the follow-up of OA is accomplished with computerized tomography, which increases the patient's absorbed dose. This is potentially harmful due to the increased radiosensitive effects of this radiation (possibly affecting blood production) increasing the risk of those patients that need periodical evaluations. The developed toolkit was able to quantify morphologic, anthropomorphic and mathematical parameters of the lower limb, reducing the subjectivity of the evaluation of bi-dimensional X-rays images.
Revista Brasileira de Medicina do Esporte, 2010
OBJETIVO: Verificar a associação da força muscular respiratória com a capacidade funcional, força... more OBJETIVO: Verificar a associação da força muscular respiratória com a capacidade funcional, força proximal de membros inferiores e variáveis bioquímicas em pacientes em hemodiálise (HD). MÉTODOS: Participaram deste estudo 30 indivíduos (18 homens), com 53,4 ± 12,9 anos e tempo de HD de 41,1 ± 55,7 meses. Foram avaliados pressão inspiratória máxima (PImax), pressão expiratória máxima (PEmax), distância percorrida no teste de caminhada de seis minutos (6MWT), número de repetições no teste de sentar-e-levantar em 30 segundos (TSL) e registrados os exames bioquímicos de rotina no serviço. RESULTADOS: Houve diminuição da PEmax em relação aos valores preditos (p = 0,015) e redução na distância percorrida no 6MWT quando comparados com equações de predição (p < 0,001). O logPImax e o logPEmax correlacionaram-se com o número de repetições no TSL (r = 0,476, p = 0,008; r = 0,540, p = 0,002, respectivamente), e com os níveis séricos de fósforo (r = 0,422, p = 0,020; r = 0,639, p < 0,001,...
Brazilian Journal of Kinanthropometry and Human Performance, 2014
Artistic Gymnasts (AG) execute specific movements that require substantial movement control and f... more Artistic Gymnasts (AG) execute specific movements that require substantial movement control and force production at the ankle joint. This high demand might change the neuromechanical properties of the ankle joint muscles in these athletes compared to non-athlete girls (NAG). The aim of this study was to compare muscle activation and torque production at the ankle joint between AG and NAG. Ten AG (11.70 ± 1.06 years of age) and 10 NAG (11.70 ± 1.49 years of age) participated in the study. Electromyographic (EMG) signals of medial gastrocnemius (MG), soleus (SO) and tibialis anterior (TA) were obtained simultaneously to the maximal isometric plantarflexion (PFT) and dorsiflexion (DFT) torques of the dominant limb during a maximal voluntary isometric contraction (MVIC) at five different joint angles (20°, 10°, 0°, -10° e -20°). Neuromuscular efficiency was also calculated by the Torque/EMG ratio. AG presented higher PFT (p 0.05). In addition, AG showed higher values for plantarflexion ...
Journal of Physical Education
Diversas intervenções têm sido relatadas na literatura com intuito de modular o comportamento da ... more Diversas intervenções têm sido relatadas na literatura com intuito de modular o comportamento da Variabilidade da Frequência Cardíaca (VFC) em idosos. Entretanto a maioria deles são focados em capacidades físicas condicionantes. Pouco se sabe sobre os efeitos que um treinamento coordenativo estruturado em circuitos pode promover na VFC de idosos. O objetivo do presente estudo foi investigar o efeito de 8 semanas de uma intervenção coordenativa sob aspectos autonômicos de idosos. 26 sujeitos foram divididos em dois grupos. Um grupo (N=13) com Abordagem Coordenativa em Circuito (GACC) e outro grupo (N=13) que realizou Caminhada Recreacional (GCR). Para a mensuração da VFC foi utilizado um cardiofrequencímentro. Para avaliação motora foi utilizado um Circuito Motor Modelo que consistiu em 8 exercícios de coordenação. Para avaliação da aptidão física funcional foi utilizada a bateria de Fullerton. Após 8 semanas de intervenção tanto as variáveis da VFC como as variáveis motoras não dife...
Current Aging Science
Background: A decrease in the physical activity level in old age is common, which results in an i... more Background: A decrease in the physical activity level in old age is common, which results in an increase in the number of falls and chronic conditions. Associated with that occurs the decline in motor skills as a result of the deficit in the interaction of cognitive and motor processes. Physical activity level can be associated differently with each motor domains. Objective: We analyzed the relationship between physical activity level and motor aptitude, and to identify which motor domains were most sensitive to detect insufficiently active level in older adults. Methods: Participated in the study 385 elderly people of both sexes. For the evaluation of the subjects were adopted the International Questionnaire on Physical Activity and the Motor Scale for Older Adults. Results: The majority of the elderly were active. In the comparison of motor aptitude between active and insufficiently active (IAC) elders a significant difference was found in the Global Coordination, Balance, Body Sc...
Topics in Stroke Rehabilitation
International Journal of Physical Medicine & Rehabilitation
Jornal brasileiro de nefrologia : 'orgao oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. To comp... more Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. To compare the level of physical activity and the morphology of the muscles pectoralis major and rectus abdominis of patients on hemodialysis with healthy subjects. We studied 17 patients and 17 healthy individuals. Muscle thickness were evaluated by ultrasound, and the level of physical activity by the International Physical Activity Questionnaire (IPAQ), long version. The patients had lower thicknesses of the pectoralis major (5.92 ± 0.35 mm vs. 8.35 ± 0.62 mm, p < 0.001) and rectus abdominis (0.96 ± 0.10 mm vs. 2 21 ± 0.40 mm, p < 0.001) compared to healthy subjects. Patients were physically less active than healthy individuals: 1502.55(788.19-2513.00) MET-minutes/week vs. 2268.0(1680.0-4490,8) MET-minutes/week (p = 0.006); the weekly caloric expenditure of patients was also lower: 1384.0(480,7-2253.7) kcal/kg/week vs. 1680.0(1677.4-4950.0) kcal/kg/week (p = 0.010). The average time sp...
Introdução: Crianças com câncer apresentam diversas limitações fi siológicas que podem limitar a ... more Introdução: Crianças com câncer apresentam diversas limitações fi siológicas que podem limitar a motricidade e afetar o desenvolvimento. Desta forma, o objetivo do estudo foi avaliar fatores físicos, motores e psicossociais em crianças e adolescentes com câncer e comparar com crianças e adolescentes hígidas. Métodos: Foram avaliadas 36 crianças e adolescentes com idades de 05 a 18 anos de idade de ambos os sexos, sendo 15 crianças portadoras de câncer (G1) e 21 crianças saudáveis pareadas por sexo e idade (G2). Foram avaliadas a qualidade de vida (questionário Peds QL versão 4.0); Imagem Corporal (escala de desenho de silhuetas); Equilíbrio (escala de BERG) e o Nível de atividade física (questionário internacional de nível de atividade física-(IPAQ)). Resultados: Observou-se diferença estatisticamente signifi cativa quando avaliado o G1 com o G2 nas variáveis equilíbrio (G1=53,53±3,48 e G2= 55,76±0,43; p=0,027) e no domínio capacidade física avaliada no questionário de qualidade de vida (G1=631,67±194,21 e G2=766,67±45,64; p= 0,018). Para as demais variáveis como qualidade de vida total (p=0.057), IPAQ (p>0,132) e imagem corporal (p=0,230), não foram encontradas diferenças signifi cativas. Conclusão: Foi possível observar que crianças com câncer quando comparadas com crianças hígidas apresentam defi ciência no equilíbrio e no domínio "capacidade física" do questionário de qualidade de vida. Apesar destes resultados, as crianças com câncer não diferem em relação aos níveis de atividade física e imagem corporal. Estas informações tornam-se relevantes para caracterizar este grupo de pacientes e podem ser utilizadas numa ação interdisciplinar entre os profi ssionais da saúde.
... Title, Desenvolvimento de um programa de análise de imagens radiológicas de membros inferiore... more ... Title, Desenvolvimento de um programa de análise de imagens radiológicas de membros inferiores com osteoartrite de joelho a partir de parâmetros biomecânicos funcionais. Author, Lemos, Fernando de Aguiar. Advisor, Vaz, Marco Aurelio. Co-advisor, Hoff, Gabriela. Date, 2010 ...
The clinical respiratory journal, 2015
The objective of this study was to evaluate the neuromechanical properties of the knee extensor m... more The objective of this study was to evaluate the neuromechanical properties of the knee extensor muscles before and after the six-minute walk test (6MWT) in chronic obstructive pulmonary disease (COPD) patients and control subjects. COPD patients from the Department of Pulmonology of the Hospital de Clinicas de Porto Alegre (HCPA) and age- and sex-matched control volunteers without COPD were included in this study. Body composition and lower limb strength assessed by maximal voluntary isometric contraction (MVIC) of the knee extensors) were assessed before and after the 6MWT. The total reaction time (TRT), premotor time (PMT) and motor time (MT) were assessed using surface electromyography of the rectus femoris and vastus lateralis knee extensor muscles. Eighteen patients COPD patients (10 men, FEV1 36±12% of predicted) and 8 control subjects (5 men, FEV1 82±7% of predicted) were included. COPD patients had lower muscle strength before (21.77 ± 7.86 kg) and after the 6MWT (11.16±4.70...
Trials, 2015
Background: Patients in Intensive Care Units (ICU) are often exposed to prolonged immobilization ... more Background: Patients in Intensive Care Units (ICU) are often exposed to prolonged immobilization which, in turn, plays an important role in neuromuscular complications. Exercise with a cycle ergometer is a treatment option that can be used to improve the rehabilitation of patients on mechanical ventilation (MV) in order to minimize the harmful effects of immobility. Methods/Design: A single-blind randomized controlled trial (the MoVe ICU study) will be conducted to evaluate and compare the effects of early rehabilitation using a bedside cycle ergometer with conventional physical therapy on the muscle morphology of the knee extensors and diaphragm in critical ill patients receiving MV. A total of 28 adult patients will be recruited for this study from among those admitted to the intensive care department at the Hospital de Clínicas de Porto Alegre. Eligible patients will be treated with MV from a period of 24 to 48 h, will have spent maximum of 1 week in hospital and will not exhibit any characteristics restricting lower extremity mobility. These subjects will be randomized to receive either conventional physiotherapy or conventional physiotherapy with an additional cycle ergometer intervention. The intervention will be administered passively for 20 min, at 20 revolutions per minute (rpm), once per day, 7 days a week, throughout the time the patients remain on MV. Outcomes will be cross-sectional quadriceps thickness, length of fascicle, pennation angle of fascicles, thickness of vastus lateralis muscle, diaphragm thickness and excursion of critical ICU patients on MV measured with ultrasound. Discussion: The MoVe-ICU study will be the first randomized controlled trial to test the hypothesis that early rehabilitation with a passive cycle ergometer can preserve the morphology of knee extensors and diaphragm in critical patients on MV in ICUs.
Clinical Biomechanics, 2015
Acute ruptures of the Achilles tendon affect the tendon&amp;amp;amp;amp;amp;amp;amp;amp;a... more Acute ruptures of the Achilles tendon affect the tendon&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s structural and mechanical properties. The long-term effects of surgical repair on these properties remain unclear. To evaluate effects of early mobilization versus traditional immobilization rehabilitation programs 2years after surgical Achilles tendon repair, by comparing force-elongation and stress-strain relationships of the injured tendon to those of the uninjured tendon. A group of males with previous Achilles tendon rupture (n=18) and a group of healthy male controls (n=9) participated. Achilles tendon rupture group consisted of patients that had received early mobilization (n=9) and patients that had received traditional immobilization with a plaster cast (n=9). Comparisons of tendon structural and mechanical properties were made between Achilles tendon rupture and healthy control groups, and between the uninjured and injured sides of the two rehabilitation groups in Achilles tendon rupture group. Ultrasound was used to determine bilaterally tendon cross-sectional area, tendon resting length, and tendon elongation as a function of torque during maximal voluntary plantar flexion. From these data, Achilles tendon force-elongation and stress-strain relationships were determined. The Achilles tendon rupture group uninjured side was not different from healthy control group. Structural and mechanical parameters of the injured side were not different between the Achilles tendon rupture early mobilization and the immobilization groups. Compared to the uninjured side, the injured side showed a reduction in stress at maximal voluntary force, in Young&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s modulus and in stiffness. Two years post-surgical repair, the Achilles tendon mechanical properties had not returned to the uninjured contralateral tendon values.