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Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes

injuries. However, studies on the top down kinetic chain of lower limb mechanics during dynamic motions such as single leg squat (SLS) among trained males were scarce. Objective: The objective of the study was to evaluate the relationship between isokinetic hip and knee strength and frontal plane...

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Main Author: Azhar, Mohd
Format: Monograph
Language:English
Published: Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia 2019
Subjects:
RA Public aspects of medicine
Online Access:http://eprints.usm.my/49322/1/Mohd%20Azhar.pdf
http://eprints.usm.my/49322/
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spelling my.usm.eprints.49322 http://eprints.usm.my/49322/ Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes Azhar, Mohd RA Public aspects of medicine injuries. However, studies on the top down kinetic chain of lower limb mechanics during dynamic motions such as single leg squat (SLS) among trained males were scarce. Objective: The objective of the study was to evaluate the relationship between isokinetic hip and knee strength and frontal plane projection angle (FPPA) of the knee joint during SLS. Methods: Thirty-two male junior athletes (twelve cyclists, ten runners and ten squash players) were screened for excessive dynamic knee valgus (DKV) prior to participation. Only those within the normal value of DKV were included. Their hip and knee isokinetic strength in sagittal plane were evaluated at 60º/s of angular velocity for both legs using dynamometer. Two dimensional knee FPPA was evaluated during SLS at 60º of knee flexion. Pearson correlation was evaluated between knee FPPA during SLS and isokinetic leg strength. Results: Correlations between knee FPPA and hip and knee isokinetic strength were not statistically significant except between knee flexion peak torque/body weight (r = -0.35, p = 0.05) and hamstring to quadriceps ratio (r = -0.39, p = 0.03) of non-dominant leg. Conclusions: Isokinetic hip and knee strength and knee FPPA during SLS was correlated only for non-dominant leg during SLS among male junior athletes. DKV during SLS may be reduced through strengthening the muscles around hip and knee joints. Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia 2019 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/49322/1/Mohd%20Azhar.pdf Azhar, Mohd (2019) Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes. Other. Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia. (Submitted)
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic RA Public aspects of medicine
spellingShingle RA Public aspects of medicine
Azhar, Mohd
Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
description injuries. However, studies on the top down kinetic chain of lower limb mechanics during dynamic motions such as single leg squat (SLS) among trained males were scarce. Objective: The objective of the study was to evaluate the relationship between isokinetic hip and knee strength and frontal plane projection angle (FPPA) of the knee joint during SLS. Methods: Thirty-two male junior athletes (twelve cyclists, ten runners and ten squash players) were screened for excessive dynamic knee valgus (DKV) prior to participation. Only those within the normal value of DKV were included. Their hip and knee isokinetic strength in sagittal plane were evaluated at 60º/s of angular velocity for both legs using dynamometer. Two dimensional knee FPPA was evaluated during SLS at 60º of knee flexion. Pearson correlation was evaluated between knee FPPA during SLS and isokinetic leg strength. Results: Correlations between knee FPPA and hip and knee isokinetic strength were not statistically significant except between knee flexion peak torque/body weight (r = -0.35, p = 0.05) and hamstring to quadriceps ratio (r = -0.39, p = 0.03) of non-dominant leg. Conclusions: Isokinetic hip and knee strength and knee FPPA during SLS was correlated only for non-dominant leg during SLS among male junior athletes. DKV during SLS may be reduced through strengthening the muscles around hip and knee joints.
format Monograph
author Azhar, Mohd
author_facet Azhar, Mohd
author_sort Azhar, Mohd
title Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
title_short Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
title_full Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
title_fullStr Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
title_full_unstemmed Relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
title_sort relationship between isokinetic leg strength and knee frontal plane projection angle during single leg squat among male junior athletes
publisher Pusat Pengajian Sains Kesihatan, Universiti Sains Malaysia
publishDate 2019
url http://eprints.usm.my/49322/1/Mohd%20Azhar.pdf
http://eprints.usm.my/49322/
_version_ 1703961441318469632
score 13.211869

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