Bilateral Lower Limb Variability in Distance Running
Abstract
Distance running, a popular recreational activity, carries a high overuse injury risk.
Increased vertical ground reaction force and internal joint forces, as well as the
bilateral asymmetry and variability of these variables, was associated with overuse
injuries in distance running. The aim of this study was to develop an understanding
of the relationship between bilateral asymmetry and variability of ground reaction
force, rate of force development and internal joint reaction forces at the ankle, knee
and hip in distance runners. Seven female trained distance runners ran through a
data collection station from a 20m approach run for a total of 144 trials. Lower limb
three dimensional kinematic and kinetic data were processed and analysed for 139
stance phases. Peak vertical ground reaction forces ranged from 2.45-3.31 BW.
Peak rate of force development ranged from 25.54-63.06 BW/s. Lower limb internal
joint reaction forces ranged from 1.77-3.23BW vertically and 0.28-3.75BW
horizontally. Variability and bilateral asymmetry of kinetics measures were found to
be subject specific, with no group trend present in this research. This research
suggested that bilateral and variability differences were present in running kinetics
on an individual basis and supports the use of individual analysis to prevent data
misinterpretation in research.
Collections
- Masters Degrees (Sport) [168]
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