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Title: Aerial movement
Authors: Yeadon, Maurice R.
Issue Date: 2000
Publisher: Blackwell Science Ltd / © International Olympic Committee
Citation: YEADON, M.R., 2000. Aerial movement. IN: Zatsiorsky, V.M. (ed.). Biomechanics in Sport: Performance Enhancement and Injury Prevention. Olympic Encyclopaedia of Sports Medicine, Volume IX. Oxford: Blackwell Science, pp. 273-283.
Series/Report no.: Olympic Encyclopaedia of Sports Medicine;Vol. 9
Abstract: Most sports movements have an aerial phase. In sprinting the runner spends less than half of the time in contact with the ground (Hopper, 1973) while in the triple jump the aerial phases are much longer than the contact phases (Hay and Miller, 1985). Typically tennis players are off the ground when the ball is played (Elliott, 1989) and basketball players release the ball while airborne (Hay, 1985). The same is true for the release in the discus and shot events (Hay, 1985). In jumping activities it is the aerial phase that is evaluated to give a score for the performance. In the long jump and high jump events the horizontal and vertical displacements during the aerial phase are used as measures of performance while in trampolining and diving rotation and aesthetics are also included in the evaluation. In an aerial phase of a sports movement the athlete is freely falling under gravity. In freefall the balance mechanisms of the inner ear do not operate normally since they too are in freefall (Graybiel, 1970). The otolith and semi-circular canals can no longer provide information on the orientation of the head relative to the vertical direction. They do, however, give information on linear and angular accelerations (Wendt, 1951) which can be used by athletes to help control aerial movements (Yeadon and Mikulcik, 1996).
Description: This book chapter is closed access. It was published in the book Biomechanics in Sport: http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0632053925.html
Version: Closed access
URI: https://dspace.lboro.ac.uk/2134/5782
ISBN: 0632053925
Appears in Collections:Closed Access (Sport, Exercise and Health Sciences)

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