Three-dimensional kinematic comparison of treadmill and overground running

  • Sinclair J
  • Richards J
  • Taylor P
 et al. 
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Abstract

The treadmill is an attractive device for the investigation of human locomotion, yet the extent to which lower limb kinematics differ from overground running remains a controversial topic. This study aimed to provide an extensive three-dimensional kinematic comparison of the lower extremities during overground and treadmill running. Twelve participants ran at 4.0 m/s (+/- 5%) in both treadmill and overground conditions. Angular kinematic parameters of the lower extremities during the stance phase were collected at 250 Hz using an eight-camera motion analysis system. Hip, knee, and ankle joint kinematics were quantified in the sagittal, coronal, and transverse planes, and contrasted using paired t-tests. Of the analysed parameters hip flexion at footstrike and ankle excursion to peak angle were found to be significantly reduced during treadmill running by 12 degrees (p = 0.001) and 6.6 degrees (p = 0.010), respectively. Treadmill running was found to be associated with significantly greater peak ankle eversion (by 6.3 degrees, p = 0.006). It was concluded that the mechanics of treadmill running cannot be generalized to overground running.

Author-supplied keywords

  • Biomechanics
  • gait
  • joint angles
  • stance

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Authors

  • Jim RichardsUniversity of Central Lancashire School of Health

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  • Jonathan Sinclair

  • Paul J. Taylor

  • Christopher J. Edmundson

  • Darrell Brooks

  • Sarah J. Hobbs

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