Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30305
Title: In-shoe plantar tri-axial stress profiles during maximum-effort cutting maneuvers
Authors: Cong, Y
Lam, WK
Cheung, JTM
Zhang, M 
Issue Date: 2014
Source: Journal of biomechanics, 2014, v. 47, no. 16, p. 3799-3806
Abstract: Soft tissue injuries, such as anterior cruciate ligament rupture, ankle sprain and foot skin problems, frequently occur during cutting maneuvers. These injuries are often regarded as associated with abnormal joint torque and interfacial friction caused by excessive external and in-shoe shear forces. This study simultaneously investigated the dynamic in-shoe localized plantar pressure and shear stress during lateral shuffling and 45¢X sidestep cutting maneuvers. Tri-axial force transducers were affixed at the first and second metatarsal heads, lateral forefoot, and heel regions in the midsole of a basketball shoe. Seventeen basketball players executed both cutting maneuvers with maximum efforts. Lateral shuffling cutting had a larger mediolateral braking force than 45¢X sidestep cutting. This large braking force was concentrated at the first metatarsal head, as indicated by its maximum medial shear stress (312.2¡Ó157.0. kPa). During propulsion phase, peak shear stress occurred at the second metatarsal head (271.3¡Ó124.3. kPa). Compared with lateral shuffling cutting, 45¢X sidestep cutting produced larger peak propulsion shear stress (463.0¡Ó272.6. kPa) but smaller peak braking s
Keywords: Lateral shuffling
Shear stress
Sidestep cutting
Skin and soft tissue
Publisher: Elsevier
Journal: Journal of biomechanics 
ISSN: 0021-9290
DOI: 10.1016/j.jbiomech.2014.10.028
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