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Impact attenuation and deformation characteristics of dance floors on jump kinematics
Horsburgh, Robyn Brown, Derrick D
Horsburgh, Robyn
Brown, Derrick D
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2022-02-08
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Abstract
Specialist dance floors have been promoted to reduce impact forces and reduce lower limb injury for dancers. 18 trained female dancers carried out 70 continuous ballet jumps on 4 different surfaces wearing an XSENS suit. Three specialist dance floors, Floor A (64% force reduction), Floor B (67% force reduction), Floor C (no data) were compared to Floor D (vinyl-covered concrete - control). Dependent variables for each analysed jump (2,3,4, and 67,68,69) were ankle, knee, hip range of movement (ROM); lower and upper leg angular velocities and pelvis vertical acceleration. No main effects were reported for dance floor, first and last jump series. Comparison of the floors against Floor D reported a main effect for the dance floors (p=0.001), first and last jump series (p=0.001). Between-subject effects noted that ankle ROM was significantly greater for trials on floor A (p=0.007) compared to floor D. ROM data significantly decreased between the first and last jump series whilst vertical pelvis accelerations increased except for floor A. Within the current study, a foam backed vinyl floor (C) provided better shock absorption than floors with higher deformation characteristics (A and B) and none of the specialist dance floors performed better than vinyl covered concrete (D).
Citation
Wyon, M., Horsburgh, R. and Brown, D.D. (2022) Impact attenuation and deformation characteristics of dance floors on jump kinematics. International Journal of Sports Medicine, 43(9), pp. 811-817.
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Journal article
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en
Description
This is an accepted manuscript of an article published by Thieme in International Journal of Sports Medicine on 08/02/2022, available online: https://www.thieme-connect.de/products/ejournals/abstract/10.1055/a-1766-0056 The accepted version of the publication may differ from the final published version.
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0172-4622