Changes in leg strength and kinematics with uphill-downhill training

Paradisis, Giorgios P., Bissas, Athanassios ORCID: 0000-0002-7858-9623 and Cooke, Carlton B. (2013) Changes in leg strength and kinematics with uphill-downhill training. International Journal of Sports Science and Coaching, 8 (3). pp. 543-556. doi:10.1260/1747-9541.8.3.543

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This study examined the effects of an 8-week uphill-downhill sprint training programme on the force generation capacity of leg muscles. Twenty-four university students were randomly allocated to one of two training groups (combined uphill–downhill and horizontal) and a control group. The combined training method produced significant improvements in maximal isometric force (7.1%) and rate of force production (≈ 25%) of the knee flexor muscles (p<0.05). The combined training was also significantly more effective in improving the maximum sprinting speed (5.9%, p<0.05) and associated kinematic variables. In particular, the propulsive phase of contact decreased significantly by 17% (p<0.05) indicating a link between the improved rate of force production during the isometric test and the rate of production of propulsive forces during sprinting. The increased capacity of the leg flexor muscles to generate force appears to contribute to the improvement of sprinting speed perhaps due to a more efficient muscle function during the support phase of the stride.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Lower-limb kinematics; Rate of force production; Running on sloping surface; Sprint training program
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports > GV0711 Coaching
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports > GV1060 Track and field athletics
Q Science > QP Physiology > QP301.H75 Physiology. Sport
Divisions: Schools and Research Institutes > School of Education and Science
Research Priority Areas: Health, Life Sciences, Sport and Wellbeing
Depositing User: Athanassios Bissas
Date Deposited: 04 Jun 2020 10:38
Last Modified: 31 Aug 2023 09:10

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