1st and 2nd step characteristics proceeding the sprint start in amputee sprinting

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The aim of this study was to investigate 1st and 2nd stance phase spatio-temporal and ground reaction force (GRF) parameters of four unilateral transtibial amputee (AMP) and nine able-bodied (AB) sprinters. Data were collected using a 3D motion capture system (Vicon, 250 Hz) and two force plates (Kistler 1000 Hz). Aside from flight time (d=0.32) and step width (d=0.60), all spatio-temporal parameters were significantly lower for the AMP compared to the AB athletes for both limbs. Peak horizontal GRF and relative impulse were significantly decreased for the AMP group, while the peak vertical GRFs were significantly decreased for the 1st (affected limb) but increased for the 2nd step (intact limb), with the relative vertical impulse data being similar. Therefore running prostheses appear to limit the performance of AMP compared with AB sprinters.
Original languageEnglish
Title of host publicationISBS - Conference Proceedings Archive : 34th International Conference on Biomechanics in Sports
Number of pages4
Publication date07.2016
Pages964-967
Publication statusPublished - 07.2016
Event34th International Conference on Biomechanics in Sports - Tsukuba, Japan
Duration: 18.07.201622.07.2016
Conference number: 34

ID: 2414713

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