THE COMPARISON OF PEAK VERTICAL GROUND REACTION FORCE AND ELECTROMYOGRAPHY OF LEG MUSCLES DURING SINGLE LEG DROP LANDING BETWEEN MEN WITH GENU VARUM DEFORMITY AND NORMAL KNEE FROM DIFFERENT HEIGHTS

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MOSAVI SEYYED KAZEM; SHOJAEDDIN SEYYED SADREDDIN; MEMAR RAGHAD

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Journal: Sport Sciences and Health Research Year:2015 | Volume:6 | Issue:2 Page(s): 167-187

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Title

THE COMPARISON OF PEAK VERTICAL GROUND REACTION FORCE AND ELECTROMYOGRAPHY OF LEG MUSCLES DURING SINGLE LEG DROP LANDING BETWEEN MEN WITH GENU VARUM DEFORMITY AND NORMAL KNEE FROM DIFFERENT HEIGHTS

Author(s)

MOSAVI SEYYED KAZEM | SHOJAEDDIN SEYYED SADREDDIN | MEMAR RAGHAD | Issue Writer Certificate

Keywords

ELECTROMYOGRAPHYQ2

GENU VARUMQ2

LEG MUSCLESQ2

REACTION FORCEQ2

SINGLE LEG DROP LANDINGQ2

Abstract

The aim of this study was to compare the activity of medial gastrocnemius and soleus and the peak vertical ground REACTION FORCE during SINGLE LEG DROP LANDING from different heights between men with GENU VARUM deformity and normal knee.22 healthy male students of physical education and sport sciences (10 subjects with GENU VARUM deformity and 12 with normal knee) participated in this research. GENU VARUM deformity was measured by a caliper and a goniometer. Subjects performed single leg landing from three heights of 0.2, 0.4, 0.6 m on a force platform. The landing was divided into two stages: 100 milliseconds before the initial contact of the leg with the ground and 100 milliseconds after the contact of the leg with the ground (the stage of force absorption). The data were analyzed by Matlab software version R2009a, SPSS21 and two-way analysis of variance test (P £0.05 No significant difference was found in the peak vertical ground REACTION FORCE during metatarsal contact in the three heights between the groups (P>0.05). However, there was a significant difference in the peak vertical ground REACTION FORCE during calcaneus contact between the two groups (P<0.05). There was no significant difference in the activity of medial gastrocnemius and soleus before landing between the groups (P>0.05). There was a significant difference in the activity of medial gastrocnemius in the stage of force absorption between the two groups (P<0.05) while soleus showed no significant difference (P>0.05). In addition, each of the three variables were significantly different in different heights (P<0.05). Increased peak vertical ground REACTION FORCE and decreased activity of LEG MUSCLES (especially medial gastrocnemius) for a long time in those with GENU VARUM may cause injury and osteoarthritis.

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APA: Copy

MOSAVI, SEYYED KAZEM, SHOJAEDDIN, SEYYED SADREDDIN, & MEMAR, RAGHAD. (2015). THE COMPARISON OF PEAK VERTICAL GROUND REACTION FORCE AND ELECTROMYOGRAPHY OF LEG MUSCLES DURING SINGLE LEG DROP LANDING BETWEEN MEN WITH GENU VARUM DEFORMITY AND NORMAL KNEE FROM DIFFERENT HEIGHTS. SPORT SCIENCES AND HEALTH RESEARCH (HARAKAT), 6(2), 167-187. SID. https://sid.ir/paper/229344/en

Vancouver: Copy

MOSAVI SEYYED KAZEM, SHOJAEDDIN SEYYED SADREDDIN, MEMAR RAGHAD. THE COMPARISON OF PEAK VERTICAL GROUND REACTION FORCE AND ELECTROMYOGRAPHY OF LEG MUSCLES DURING SINGLE LEG DROP LANDING BETWEEN MEN WITH GENU VARUM DEFORMITY AND NORMAL KNEE FROM DIFFERENT HEIGHTS. SPORT SCIENCES AND HEALTH RESEARCH (HARAKAT)[Internet]. 2015;6(2):167-187. Available from: https://sid.ir/paper/229344/en

IEEE: Copy

SEYYED KAZEM MOSAVI, SEYYED SADREDDIN SHOJAEDDIN, and RAGHAD MEMAR, “THE COMPARISON OF PEAK VERTICAL GROUND REACTION FORCE AND ELECTROMYOGRAPHY OF LEG MUSCLES DURING SINGLE LEG DROP LANDING BETWEEN MEN WITH GENU VARUM DEFORMITY AND NORMAL KNEE FROM DIFFERENT HEIGHTS,” SPORT SCIENCES AND HEALTH RESEARCH (HARAKAT), vol. 6, no. 2, pp. 167–187, 2015, [Online]. Available: https://sid.ir/paper/229344/en

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