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Papers by Liu Yi

Research paper thumbnail of Intralimb Coordination Patterns in Absent, Mild, and Severe Stages of Diabetic Neuropathy: Looking Beyond Kinematic Analysis of Gait Cycle

PloS one, 2016

Diabetes Mellitus progressively leads to impairments in stability and joint motion and might affe... more Diabetes Mellitus progressively leads to impairments in stability and joint motion and might affect coordination patterns, mainly due to neuropathy. This study aims to describe changes in intralimb joint coordination in healthy individuals and patients with absent, mild and, severe stages of neuropathy. Forty-seven diabetic patients were classified into three groups of neuropathic severity by a fuzzy model: 18 without neuropathy (DIAB), 7 with mild neuropathy (MILD), and 22 with moderate to severe neuropathy (SVRE). Thirteen healthy subjects were included as controls (CTRL). Continuous relative phase (CRP) was calculated at each instant of the gait cycle for each pair of lower limb joints. Analysis of Variance compared each frame of the CRP time series and its standard deviation among groups (α = 5%). For the ankle-hip CRP, the SVRE group presented increased variability at the propulsion phase and a distinct pattern at the propulsion and initial swing phases compared to the DIAB and...

Research paper thumbnail of Exercise Capacity, Lung Function And Chest Wall Shape In Patients With Adolescent Idiopathic Scoliosis

A66. MODELING, MECHANICS AND GAS EXCHANGE, 2012

Research paper thumbnail of Comparison of self-report and interview administration methods based on the Brazilian versions of the Western Ontario Rotator Cuff Index and Disabilities of the Arm, Shoulder and Hand Questionnaire in patients with rotator cuff disorders

Clinics, 2009

Comparison of self-report and interview administration methods based on the Brazilian versions of... more Comparison of self-report and interview administration methods based on the Brazilian versions of the Western Ontario Rotator Cuff Index and Disabilities of the Arm, Shoulder and Hand Questionnaire in patients with rotator cuff disorders. The WORC and DASH questionnaires. Clinics. 2009;64:121-5.

Research paper thumbnail of Functional aerobic exercise capacity limitation in adolescent idiopathic scoliosis

The Spine Journal, 2014

Background Context 3 Exercise limitation has been described in patients with adolescent idiopathi... more Background Context 3 Exercise limitation has been described in patients with adolescent idiopathic scoliosis 4 (AIS); however, whether the walking performance is impaired in these patients should 5 be elucidated. 6

Research paper thumbnail of Neuromuscular training and muscle strengthening in patients with patellofemoral pain syndrome: a protocol of randomized controlled trial

BMC musculoskeletal disorders, 2014

Patellofemoral pain syndrome (PFPS) is a common musculoskeletal condition, particularly among wom... more Patellofemoral pain syndrome (PFPS) is a common musculoskeletal condition, particularly among women. Patients with PFPS usually experience weakness in the gluteal muscles, as well as pain and impaired motor control during activities of daily living. Strengthening the hip muscles is an effective way of treating this disorder. Neuromuscular training has also been identified as a therapeutic tool, although the benefits of this intervention in patients with PFPS patients remain inconclusive. This is a protocol of randomized controlled trial with a blind assessor. Thirty-four women with a clinical diagnosis of PFPS participated. These participants were allocated into two groups (experimental and control). The experimental group performed twelve sessions to strengthen the knee extensors, hip abductor and lateral rotator muscles in association with neuromuscular training of the trunk and lower extremities. The control group performed the same number of sessions to strengthen the muscles of...

Research paper thumbnail of Intralimb Coordination Patterns in Absent, Mild, and Severe Stages of Diabetic Neuropathy: Looking Beyond Kinematic Analysis of Gait Cycle

PloS one, 2016

Diabetes Mellitus progressively leads to impairments in stability and joint motion and might affe... more Diabetes Mellitus progressively leads to impairments in stability and joint motion and might affect coordination patterns, mainly due to neuropathy. This study aims to describe changes in intralimb joint coordination in healthy individuals and patients with absent, mild and, severe stages of neuropathy. Forty-seven diabetic patients were classified into three groups of neuropathic severity by a fuzzy model: 18 without neuropathy (DIAB), 7 with mild neuropathy (MILD), and 22 with moderate to severe neuropathy (SVRE). Thirteen healthy subjects were included as controls (CTRL). Continuous relative phase (CRP) was calculated at each instant of the gait cycle for each pair of lower limb joints. Analysis of Variance compared each frame of the CRP time series and its standard deviation among groups (α = 5%). For the ankle-hip CRP, the SVRE group presented increased variability at the propulsion phase and a distinct pattern at the propulsion and initial swing phases compared to the DIAB and...

Research paper thumbnail of Exercise Capacity, Lung Function And Chest Wall Shape In Patients With Adolescent Idiopathic Scoliosis

A66. MODELING, MECHANICS AND GAS EXCHANGE, 2012

Research paper thumbnail of Comparison of self-report and interview administration methods based on the Brazilian versions of the Western Ontario Rotator Cuff Index and Disabilities of the Arm, Shoulder and Hand Questionnaire in patients with rotator cuff disorders

Clinics, 2009

Comparison of self-report and interview administration methods based on the Brazilian versions of... more Comparison of self-report and interview administration methods based on the Brazilian versions of the Western Ontario Rotator Cuff Index and Disabilities of the Arm, Shoulder and Hand Questionnaire in patients with rotator cuff disorders. The WORC and DASH questionnaires. Clinics. 2009;64:121-5.

Research paper thumbnail of Functional aerobic exercise capacity limitation in adolescent idiopathic scoliosis

The Spine Journal, 2014

Background Context 3 Exercise limitation has been described in patients with adolescent idiopathi... more Background Context 3 Exercise limitation has been described in patients with adolescent idiopathic scoliosis 4 (AIS); however, whether the walking performance is impaired in these patients should 5 be elucidated. 6

Research paper thumbnail of Neuromuscular training and muscle strengthening in patients with patellofemoral pain syndrome: a protocol of randomized controlled trial

BMC musculoskeletal disorders, 2014

Patellofemoral pain syndrome (PFPS) is a common musculoskeletal condition, particularly among wom... more Patellofemoral pain syndrome (PFPS) is a common musculoskeletal condition, particularly among women. Patients with PFPS usually experience weakness in the gluteal muscles, as well as pain and impaired motor control during activities of daily living. Strengthening the hip muscles is an effective way of treating this disorder. Neuromuscular training has also been identified as a therapeutic tool, although the benefits of this intervention in patients with PFPS patients remain inconclusive. This is a protocol of randomized controlled trial with a blind assessor. Thirty-four women with a clinical diagnosis of PFPS participated. These participants were allocated into two groups (experimental and control). The experimental group performed twelve sessions to strengthen the knee extensors, hip abductor and lateral rotator muscles in association with neuromuscular training of the trunk and lower extremities. The control group performed the same number of sessions to strengthen the muscles of...

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