How do prosthetic stiffness and running speed affect the biomechanics and symmetry of sprinters with unilateral transtibial amputations?

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Abstract Summary
Five sprinters with unilateral transtibial amputations (TTAs) ran on a treadmill from 3-7 m/s using running-specific prostheses (RSPs) with three different stiffness categories. Sprinters’ step frequency symmetry was not affected by running speed or RSP stiffness. However, sprinters’ contact time was affected by RSP stiffness. Use of the least stiff RSP resulted in more asymmetric contact times compared to the recommended stiffness category and one stiffness category above the recommended.
Submission ID :
UCB662
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Oral
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Lower extremity

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