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KMID : 1211620220170010127
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Journal of the Korean Society of Physical Medicine
2022 Volume.17 No. 1 p.127 ~ p.137
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Evaluation of Muscle Activity and Foot Pressure during Gait, and Balance Test in Patients with Genu Valgum
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Yoon Jeong-Uk
Yoo Kyung-Tae
Lee Ho-Seong
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Abstract
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PURPOSE: This study sought to evaluate muscle activity and foot pressure during gait, and balance in female college students with genu valgum.
METHOD: Participants were assigned based on their Q-angle to genu valgum group greater than 20° (GVG, n = 12), unilateral genu valgum group greater than 20° (UVG, n = 11), and control group (CON, n = 13). All subjects were evaluated for balance (Trace length, C90 area, C90 angle, and the Romberg test), muscle activity (gluteus medius; GM, tensor fasciae latae; TFL, vastus medialis; VM, vastus lateralis; VL, biceps femoris; BF, gastrocnemius; GCM and tibialis anterior; TA) and foot pressure (F/F ratio, R/F ratio, Hallux, 2~5 toe, 1st MT, 2~4 MT, 5th MT, Midfoot, M/heel, and L/heel) during gait.
RESULTS: Romberg test showed significantly increased loss of balance in the UVG group compared with the CON.
In the forward position, the imbalance was significantly increased in the UVG and GVG groups compared to the CON.
Muscle activity of VL, GCM, and TA significantly increased in the GVG group compared with the CON. Static foot pressure, 1st MT significantly increased in the GVG compared to the CON group. The 5th MT significantly decreased in the CON compared with the GVG group. The R/F ratio significantly decreased in the GVG compared to the CON group. In dynamic foot pressure, the 2∼5 toe significantly increased in the GVG compared with the UVG group. The left 5th MT significantly decreased in the UVG compared with the CON and GVG groups.
CONCLUSION: These results indicate that genu valgum has a negative effect on balance, muscle activity, and foot pressure during gait in female college students.
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KEYWORD
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Balance, Foot pressure genu valgum, Muscle activity
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