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KMID : 1020120110090010029
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Journal of the Korean Academy of Clinical Electrophysiology
2011 Volume.9 No. 1 p.29 ~ p.34
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The Effects on Erector Spine Muscles and Calf Muscle Activity according to Book Bag Handling Styles and Footwear
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Kwon Oh-Sung
Kang Yang-Hun
Lim Jae-Heon
Choi Eun-Young
Chung Sang-Mi
Lee Sang-Ho
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Abstract
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Purpose: The purpose of this study was to determine the effect of book bag handling styles and types of footwear on muscle activation of erector spine muscles and calf muscles.
Methods:Ten participants took off their book bags and used sneakers to walk on a treadmill for 30 minutes. The following day, 10 participants put on their backpack with 10% of the weight and used sneakers to walk on the treadmill for 30 minutes. On the last day, 10 participants put on their backpack with 10% of the weight and used formal shoes to walk on the treadmill for 30 minutes. After walking on the treadmill at 3 mph for thirty minutes, we measured muscle activation in erector spine muscles and calf muscles.
Results: The results of this study showed the activation of the erector spine muscles and the calf muscles significantly increased when walking with a book bag and the activation of the erector spine muscles and the calf muscles significantly increased when walking in formal shoes.
Conslusion: Using a backpack and formal shoes increase muscle activity of erector spine muscles and calf muscles. The results of this study indicate that not using a backpack and wearing sneakers are more beneficial than that using a backpack weighted 10% and wearing formal shoes and can be recommended to adult women by clinicians.
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KEYWORD
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Backpack, Shoes, Electromyography, Muscle activity
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