Luciane Fernandes | Universidade Federal do Triângulo Mineiro (UFTM) (original) (raw)

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Research paper thumbnail of Tracking upper limbs fatigue by means of electronic dynamometry

Motriz: Revista de Educação Física, 2015

ABSTRACT This study aimed to identify useful electronic grip dynamometry parameters to track diff... more ABSTRACT This study aimed to identify useful electronic grip dynamometry parameters to track differences between trained (TR) and untrained (UT) participants, and between dominant (DO) and non-dominant (ND) limbs as a consequence of upper limbs muscle fatigue following 10 RM tests of the brachial biceps. This experimental study with transversal design involved 18 young adult males, of whom 9 were untrained and 9 were experienced in resistance training.Isometric grip force was evaluated (30 seconds long) previous and after 10RM tests by means of a G200 Model grip dynamometer with precision load cell (Biometrics®). Significant differences between initial and final measurements were found only for trained participants: Peak force for TR-DO (67.1 vs 55.5 kgf, p =.0277); Raw average for TR-DO (46.96 vs 42.22 kgf, p =.0464), and for TR-ND (40.34 vs 36.13 kgf, p =.0277). Electronic grip dynamometry efficiently identified upper limbs fatigue in trained participants, being raw average measurements the best parameter.

Research paper thumbnail of Comportamento de lactentes em decúbito lateral e a influência da adição de peso no punho

Resumo Introdução: Vários são os estudos sobre comportamento de lactentes em diferen-tes posturas... more Resumo Introdução: Vários são os estudos sobre comportamento de lactentes em diferen-tes posturas. No entanto, poucos investigaram o decúbito lateral, que é uma pos-tura frequentemente usada em estimulação fisioterapêutica precoce, e também os efeitos da adição de peso aos segmentos. Objetivo: Esse estudo teve como objetivo avaliar o comportamento do lactente em decúbito lateral, com e sem adição de peso. Materiais e Métodos: Participaram 6 lactentes saudáveis, avaliados confor-me a Alberta Infant Motor Scale, e depois posicionados na maca para filmagem dos comportamentos em 3 fases: I (pré-peso), II (peso adicional = 20% da massa do membro superior) e III (pós-peso), com duração de 2 minutos cada. Foram obser-vadas as coordenações mão-boca, junções de mãos e alcances. A estimulação foi feita por meio de brinquedos maleáveis. Resultados: Foi observado que os com-portamentos de alcance, junção de mãos e coordenação mão-boca em decúbito lateral foram influenciados positivamente pela a...

Research paper thumbnail of Análise cinemática e eletromiográfica do alcance em pacientes com acidente vascular encefálico

Resumo Introdução: O movimento de alcance é muito estudado na literatura, no entanto, poucos estu... more Resumo Introdução: O movimento de alcance é muito estudado na literatura, no entanto, poucos estudos realizam análise cinemática e eletromiográfica desse movimento em sujeitos hemiparéticos. Objetivo: Avaliar o alcance de indivíduos hemiparéticos pós-acidente vascular encefálico (AVE) em seus aspectos cinemá-ticos e eletromiográficos. Materiais e métodos: Foram selecionados quatro indivíduos, idade média de 54,5 ± 10,7 anos, com diagnóstico de AVE associado à hemiparesia. Realizou-se a avaliação cinemática e eletromiográfica concomitantemente do movimento de alcance na postura sentada, tanto do lado paré-tico quanto do não parético. Resultados: Houve diferença significativa entre os sujeitos com relação ao deslocamento (F₍₃ , ₆₃₎ = 3.081, p = 0.03), porém, não ocorreu diferença significativa entre os lados (F₍₁ , ₆₃₎ = 1.441, p = 0.23). Com relação às articulações (ombro, cotovelo e punho), houve diferença significativa entre os deslocamentos de cada uma (F(₂ , ₆₃₎ = 27.496, p = 0.0...

Research paper thumbnail of Infants’ behavior in the side-lying and the influence of and additional load to the wrist

Introduction: Several studies on the behavior of infants in different postures. However, few have... more Introduction: Several studies on the behavior of infants in different postures. However, few have investigated the lateral position, a posture that is often used in physical therapy early stimulation, and also the effects of adding weight to segments. Objective: This study aimed to evaluate the behavior of the infant in lateral recumbency, with and without added weight. Materials and Methods: We studied 6 healthy infants evaluated according to the Alberta Infant Motor Scale, and then placed on a gurney for filming of the conduct in 3 phases: I (pre-weight), II (excess weight = 20% of the mass of the upper limb) and III (post-weight), last-ing two minutes each. We observed the hand-mouth coordination, joins hands and scope. Stimulation was performed by means of soft toys. Results: We found that the conduct of range, joining hands and hand-mouth coordination in the lateral position were positively influenced by addition and removal of weight.

Research paper thumbnail of Correlações entre força de preensão manual e variáveis antropométricas da mão de jovens adultos

Fisioterapia e Pesquisa, 2011

Research paper thumbnail of Efeitos de exercícios com massa corporal como resistência em jovens não treinados

Research paper thumbnail of Grip pattern and finger coordination differences between pianists and non-pianists

Journal of Electromyography and Kinesiology, 2012

The aim of this study was to assess differences of grip pattern and finger coordination in pianis... more The aim of this study was to assess differences of grip pattern and finger coordination in pianists and nonpianists, using hand tasks that were unrelated to pianistic practice. Eleven pianists with more than 10 years of intensive practice were compared to 14 non-pianists. Both groups performed four tasks with their right hand: (1) gross grip at fast velocity; (2) gross grip at slow velocity; (3) hook grip at fast velocity; and (4) hook grip at slow velocity. The three-dimensional coordinates were reconstructed using a kinematic analysis system, and the flexion and extension angles of the metacarpophalangeal joints were calculated. The phase diagrams were qualitatively and quantitatively appraised in order to identify differences between the groups. Principal component analysis was used to assess differences between pianists and non-pianists in terms of the reproducibility and regularity of palmar grip cycles. Coefficients of correlation between the joint angles were used to analyze finger coordination during the tasks. The pianists showed better reproducibility and regularity in the palmar grip pattern, as well as finger movements that were more coordinated when performing different hand tasks.

Research paper thumbnail of Correlação entre alterações lombares e modificações no arco plantar em mulheres com dor lombar

Acta Ortopédica Brasileira, 2013

Research paper thumbnail of Mental Practice and Mirror Therapy Associated with Conventional Physical Therapy Training on the Hemiparetic Upper Limb in Poststroke Rehabilitation: A Preliminary Study Physiotherapist graduated from UFTM

The presence of sensory and motor defi cits is common in patients post stroke. Mental practice (M... more The presence of sensory and motor defi cits is common in patients post stroke. Mental practice (MP) and mirror therapy (MT) can be used as therapeutic techniques for poststroke rehabilitation. Important results have been demonstrated, although they have not established the patients' functional gain or related results of muscle electromyographic (EMG) data to functionality. Objective: The aim was to investigate EMG activity and sensory, motor, and functional performance in hemiparetic limbs of patients with stroke after intervention with MP and MT associated with conventional physical therapy training (CPTT). Methods: Seven patients were treated twice weekly during 8 weeks with MP and MT associated with CPTT of the affected upper limb. The Fugl-Meyer scale and the Barthel Index (BI) were applied to assess sensorimotor ability and independence of patients. Activation of the upper trapezius, biceps brachii, triceps brachii, fl exor carpi ulnaris, and extensor carpi radialis was evaluated by means of EMG symmetry index and muscle co-activation measurements. Results: There were statistically signifi cant differences between pre-and postassessment fi ndings for the motor, sensory, and mobility domains of the Fugl-Meyer scale, as well as for BI evaluation. No statistically signifi cant differences were observed when the pre-and posttest symmetry and co-activation data were compared, although there were qualitative changes. Conclusions:

Research paper thumbnail of Tracking upper limbs fatigue by means of electronic dynamometry

Motriz: Revista de Educação Física, 2015

ABSTRACT This study aimed to identify useful electronic grip dynamometry parameters to track diff... more ABSTRACT This study aimed to identify useful electronic grip dynamometry parameters to track differences between trained (TR) and untrained (UT) participants, and between dominant (DO) and non-dominant (ND) limbs as a consequence of upper limbs muscle fatigue following 10 RM tests of the brachial biceps. This experimental study with transversal design involved 18 young adult males, of whom 9 were untrained and 9 were experienced in resistance training.Isometric grip force was evaluated (30 seconds long) previous and after 10RM tests by means of a G200 Model grip dynamometer with precision load cell (Biometrics®). Significant differences between initial and final measurements were found only for trained participants: Peak force for TR-DO (67.1 vs 55.5 kgf, p =.0277); Raw average for TR-DO (46.96 vs 42.22 kgf, p =.0464), and for TR-ND (40.34 vs 36.13 kgf, p =.0277). Electronic grip dynamometry efficiently identified upper limbs fatigue in trained participants, being raw average measurements the best parameter.

Research paper thumbnail of Comportamento de lactentes em decúbito lateral e a influência da adição de peso no punho

Resumo Introdução: Vários são os estudos sobre comportamento de lactentes em diferen-tes posturas... more Resumo Introdução: Vários são os estudos sobre comportamento de lactentes em diferen-tes posturas. No entanto, poucos investigaram o decúbito lateral, que é uma pos-tura frequentemente usada em estimulação fisioterapêutica precoce, e também os efeitos da adição de peso aos segmentos. Objetivo: Esse estudo teve como objetivo avaliar o comportamento do lactente em decúbito lateral, com e sem adição de peso. Materiais e Métodos: Participaram 6 lactentes saudáveis, avaliados confor-me a Alberta Infant Motor Scale, e depois posicionados na maca para filmagem dos comportamentos em 3 fases: I (pré-peso), II (peso adicional = 20% da massa do membro superior) e III (pós-peso), com duração de 2 minutos cada. Foram obser-vadas as coordenações mão-boca, junções de mãos e alcances. A estimulação foi feita por meio de brinquedos maleáveis. Resultados: Foi observado que os com-portamentos de alcance, junção de mãos e coordenação mão-boca em decúbito lateral foram influenciados positivamente pela a...

Research paper thumbnail of Análise cinemática e eletromiográfica do alcance em pacientes com acidente vascular encefálico

Resumo Introdução: O movimento de alcance é muito estudado na literatura, no entanto, poucos estu... more Resumo Introdução: O movimento de alcance é muito estudado na literatura, no entanto, poucos estudos realizam análise cinemática e eletromiográfica desse movimento em sujeitos hemiparéticos. Objetivo: Avaliar o alcance de indivíduos hemiparéticos pós-acidente vascular encefálico (AVE) em seus aspectos cinemá-ticos e eletromiográficos. Materiais e métodos: Foram selecionados quatro indivíduos, idade média de 54,5 ± 10,7 anos, com diagnóstico de AVE associado à hemiparesia. Realizou-se a avaliação cinemática e eletromiográfica concomitantemente do movimento de alcance na postura sentada, tanto do lado paré-tico quanto do não parético. Resultados: Houve diferença significativa entre os sujeitos com relação ao deslocamento (F₍₃ , ₆₃₎ = 3.081, p = 0.03), porém, não ocorreu diferença significativa entre os lados (F₍₁ , ₆₃₎ = 1.441, p = 0.23). Com relação às articulações (ombro, cotovelo e punho), houve diferença significativa entre os deslocamentos de cada uma (F(₂ , ₆₃₎ = 27.496, p = 0.0...

Research paper thumbnail of Infants’ behavior in the side-lying and the influence of and additional load to the wrist

Introduction: Several studies on the behavior of infants in different postures. However, few have... more Introduction: Several studies on the behavior of infants in different postures. However, few have investigated the lateral position, a posture that is often used in physical therapy early stimulation, and also the effects of adding weight to segments. Objective: This study aimed to evaluate the behavior of the infant in lateral recumbency, with and without added weight. Materials and Methods: We studied 6 healthy infants evaluated according to the Alberta Infant Motor Scale, and then placed on a gurney for filming of the conduct in 3 phases: I (pre-weight), II (excess weight = 20% of the mass of the upper limb) and III (post-weight), last-ing two minutes each. We observed the hand-mouth coordination, joins hands and scope. Stimulation was performed by means of soft toys. Results: We found that the conduct of range, joining hands and hand-mouth coordination in the lateral position were positively influenced by addition and removal of weight.

Research paper thumbnail of Correlações entre força de preensão manual e variáveis antropométricas da mão de jovens adultos

Fisioterapia e Pesquisa, 2011

Research paper thumbnail of Efeitos de exercícios com massa corporal como resistência em jovens não treinados

Research paper thumbnail of Grip pattern and finger coordination differences between pianists and non-pianists

Journal of Electromyography and Kinesiology, 2012

The aim of this study was to assess differences of grip pattern and finger coordination in pianis... more The aim of this study was to assess differences of grip pattern and finger coordination in pianists and nonpianists, using hand tasks that were unrelated to pianistic practice. Eleven pianists with more than 10 years of intensive practice were compared to 14 non-pianists. Both groups performed four tasks with their right hand: (1) gross grip at fast velocity; (2) gross grip at slow velocity; (3) hook grip at fast velocity; and (4) hook grip at slow velocity. The three-dimensional coordinates were reconstructed using a kinematic analysis system, and the flexion and extension angles of the metacarpophalangeal joints were calculated. The phase diagrams were qualitatively and quantitatively appraised in order to identify differences between the groups. Principal component analysis was used to assess differences between pianists and non-pianists in terms of the reproducibility and regularity of palmar grip cycles. Coefficients of correlation between the joint angles were used to analyze finger coordination during the tasks. The pianists showed better reproducibility and regularity in the palmar grip pattern, as well as finger movements that were more coordinated when performing different hand tasks.

Research paper thumbnail of Correlação entre alterações lombares e modificações no arco plantar em mulheres com dor lombar

Acta Ortopédica Brasileira, 2013

Research paper thumbnail of Mental Practice and Mirror Therapy Associated with Conventional Physical Therapy Training on the Hemiparetic Upper Limb in Poststroke Rehabilitation: A Preliminary Study Physiotherapist graduated from UFTM

The presence of sensory and motor defi cits is common in patients post stroke. Mental practice (M... more The presence of sensory and motor defi cits is common in patients post stroke. Mental practice (MP) and mirror therapy (MT) can be used as therapeutic techniques for poststroke rehabilitation. Important results have been demonstrated, although they have not established the patients' functional gain or related results of muscle electromyographic (EMG) data to functionality. Objective: The aim was to investigate EMG activity and sensory, motor, and functional performance in hemiparetic limbs of patients with stroke after intervention with MP and MT associated with conventional physical therapy training (CPTT). Methods: Seven patients were treated twice weekly during 8 weeks with MP and MT associated with CPTT of the affected upper limb. The Fugl-Meyer scale and the Barthel Index (BI) were applied to assess sensorimotor ability and independence of patients. Activation of the upper trapezius, biceps brachii, triceps brachii, fl exor carpi ulnaris, and extensor carpi radialis was evaluated by means of EMG symmetry index and muscle co-activation measurements. Results: There were statistically signifi cant differences between pre-and postassessment fi ndings for the motor, sensory, and mobility domains of the Fugl-Meyer scale, as well as for BI evaluation. No statistically signifi cant differences were observed when the pre-and posttest symmetry and co-activation data were compared, although there were qualitative changes. Conclusions: