3-D kinematic comparison of treadmill and overground running.

Sinclair, Jonathan Kenneth orcid iconORCID: 0000-0002-2231-3732, Richards, Jim orcid iconORCID: 0000-0002-4004-3115, Taylor, Paul John orcid iconORCID: 0000-0002-9999-8397, Edmundson, Christopher James orcid iconORCID: 0000-0003-2275-7584, Brooks, Darrell orcid iconORCID: 0000-0002-4094-5266 and Hobbs, Sarah Jane orcid iconORCID: 0000-0002-1552-8647 (2013) 3-D kinematic comparison of treadmill and overground running. Sports Biomechanics, 12 (3). ISSN 1476-3141

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Official URL: http://dx.doi.org/10.1080/14763141.2012.759614


Studies investigating the mechanics of human movement are often conducted using the treadmill. The treadmill is an attractive device for the analysis of human locomotion. Studies comparing overground and treadmill running have analyzed discrete variables, however differences in excursion from footstrike to peak angle and range of motion during stance have yet to be examined. This study aimed to examine the 3-D kinematics of the lower extremities during overground and treadmill locomotion to determine the extent to which the two modalities differ. Twelve participants ran at 4.0m/s in both treadmill and overground conditions. 3-D angular kinematic parameters during the stance phase were collected using an eight camera motion analysis system. Hip, knee and ankle joint kinematics were quantified in the sagittal, coronal and transverse planes, then compared using paired t-tests. Of the parameters analyzed hip flexion at footstrike 12° hip range of motion 17°, peak hip flexion 12.7°, hip transverse plane range of motion 8° peak knee flexion 5° and peak ankle excursion range 6.6°, coronal plane ankle angle at toe-off 6.5° and peak ankle eversion 6.3° were found to be significantly different. These results lead to the conclusion that the mechanics of treadmill locomotion cannot be generalized to overground.

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