Biomechanics of genuine vs knock off runnings shoes

NewsBot · Apr 20, 2020

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Acute effect of knockoff running footwear on foot loading and comfort during heel-to-toe running
PiaolinPeng et al
Gait & Posture; 18 April 2020

Highlights
•Knockoff running footwear significantly increased impact loading.
•Genuine brand products may not increase the risk of running injuries.
•Subjects rarely distinguished footwear that was manufactured by Adidas.
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Background
Better midsole materials and comfort have been incorporated into more expensive shoes and are popular with runners. Consequently, knockoff running shoes are currently widely distributed in the Chinese market and are only 30% to 50% of the cost of the genuine branded products.

Research question
Uncertainty exists concerning the beneficial effects of advanced shoe material application in decreasing foot loading or impact force during running. Additionally, using comfort as a criterion to identify genuine branded running shoes may exclude brand factor.

Methods
Fifteen healthy male volunteers were asked to perform two different tests, including running and a comfort evaluation. Each participant was asked to identify which footwear was the Adidas brand shoe based on their perception of comfort.

Results
Time to first peak occurred significantly later when subjects wore the genuine branded shoe compared to knockoff shoe 1 (p = 0.003) and knockoff shoe 2 (p = 0.015) footwear. The genuine branded shoe (p = 0.005) and knockoff shoe 1 (p = 0.029) were significantly more comfortable compared to the knockoff shoe 2. Only four subjects selected the genuine branded shoe, whereas six subjects selected both the genuine branded shoe and knockoff shoe 1.

Significance
Knockoff running footwear significantly increases impact loading compared to the genuine branded product, thereby posing greater risk of running injury.
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NewsBot · Apr 20, 2020

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