Archives of Gerontology and Geriatrics 59 (2014) 574–576

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The effect of increase in baggage weight on elderly women’s lower extremity muscle activation during gait Seong-Gil Kim, Chan-Woo Nam, Min-Sik Yong * Department of Physical Therapy, Daegu University, 15, Jilyang, Gyeongsan-si, Gyeongbuk 712-714, Republic of Korea1

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Article history: Received 25 May 2014 Received in revised form 27 July 2014 Accepted 29 July 2014 Available online 6 August 2014

The aim of the present study was to examine the effect of increased baggage weight on the muscle activation of elderly women’s lower extremities during gait. A total of 24 elderly women who were residing in communities in Daegu, South Korea aged 79.6  6.2, 149.7  7.0 cm in height, and 53.5  7.2 kg in weight participated in this study. The muscle activation of each muscle was measured three times at 2 kg, 3 kg, and 4 kg of baggage weight while the subjects were conducting treadmill walking wearing backpacks. Electrodes were placed on four muscles: the quadriceps muscle (rectus femoris), the hamstring muscle (semitendinosus), the tibialis anterior muscle, and the soleus muscle. The results show that the rates of increase in muscle activation in the tibialis anterior and soleus muscles according to baggage weight increase were higher than those in the quadriceps and hamstring muscles (

The effect of increase in baggage weight on elderly women's lower extremity muscle activation during gait.

The aim of the present study was to examine the effect of increased baggage weight on the muscle activation of elderly women's lower extremities durin...
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