Validity of stride and length estimates obtained from opto jump.

GLAZIER, P and IRWIN, G (2001). Validity of stride and length estimates obtained from opto jump. Proceedings of poster sessions: XIXth international symposium on biomechanics in sports, 98-101.

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Abstract

The purpose of the present study was to ascertain the validity of stride length estimates obtained from OptoJump (Micrograte, Bolzano, Italy) using displacement data derived from three-dimensional videography as criterion. One subject repeatedly ran through a 4 m section of OptoJump to obtain real-time stride length estimates. Corresponding criterion stride length estimates were also obtained from the displacement data derived from video. 95% limits of agreement were applied to the 56 pairs of measurements revealing an error interval of 4.2 ± 23.11mm. We concluded that stride length estimates obtained from OptoJump lacked sufficient validity for use in motor control studies. However, the capability of this system to acquire other relevant data in real-time, provides sufficient scope to suggest pursuing the development of this system.

Item Type: Article
Research Institute, Centre or Group: Centre for Sports Engineering Research
Depositing User: Carole Harris
Date Deposited: 09 Feb 2011 16:56
Last Modified: 09 Feb 2011 16:56
URI: http://shura.shu.ac.uk/id/eprint/3009

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