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Local Dynamic Stability Associated With Load Carrying, Jian Liu, Thurmon E. Lockhart
Local Dynamic Stability Associated With Load Carrying, Jian Liu, Thurmon E. Lockhart
Computer Sciences and Electrical Engineering Faculty Research
Objectives: Load carrying tasks are recognized as one of the primary occupational factors leading to slip and fall injuries. Nevertheless, the mechanisms associated with load carrying and walking stability remain illusive. The objective of the current study was to apply local dynamic stability measure in walking while carrying a load, and to investigate the possible adaptive gait stability changes.
Methods: Current study involved 25 young adults in a biomechanics research laboratory. One tri-axial accelerometer was used to measure three-dimensional low back acceleration during continuous treadmill walking. Local dynamic stability was quantified by the maximum Lyapunov exponent (maxLE) from a nonlinear …