Development and Maintenance of Sprint Training Adaptations: An Uphill-Downhill Study

Bissas, Athanassios ORCID: 0000-0002-7858-9623, Paradisis, Giorgos P., Nicholson, Gareth, Walker, Josh, Hanley, Brian, Havenetidis, Konstantinos and Cooke, Carlton B. (2020) Development and Maintenance of Sprint Training Adaptations: An Uphill-Downhill Study. Journal of Strength and Conditioning Research. doi:10.1519/JSC.0000000000003409 (In Press)

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Abstract

We examined the development of performance adaptations resulting from an uphill-downhill training program and monitored the decline of adaptations during detraining. Twenty-eight men were randomly assigned to 1 of 2 sprint training groups who trained 3 times per week for 6 weeks and a control group (C). The uphill-downhill group (U+D) trained on an 80-m platform with 3° slopes, whereas the horizontal (H) group trained on flat track. Subjects were tested for maximal running speed (MRS), associated kinematics, and leg strength before and after training, with U+D subjects also tested after weeks 2 and 4 of training, and after a 3-week detraining period. The U+D group increased their MRS by 3.7% (from 8.75 ± 0.72 to 9.07 ± 0.64 m·s−1, p < 0.05), their stride rate by 3.1% (from 4.21 ± 0.21 to 4.34 ± 0.18 Hz, p < 0.05), and their knee extensors' maximum isometric force by 21% (from 2,242 ± 489 to 2,712 ± 498 N, p < 0.05) after training. The time course of changes showed declines for weeks 1–4 (1.4–5.1%), but an ascending trend of improvement compensated all losses by the end of week 6 (p < 0.05). During detraining, no decreases occurred. No changes were observed for the H and C groups. The minimum period to produce positive effects was 6 weeks, with a very good standard of performance maintained 3 weeks after training. U+D training will prove useful for all athletes requiring fast adaptations, and it can fit into training mesocycles because of its low time demands.

Item Type: Article
Article Type: Article
Uncontrolled Keywords: Detraining; Leg strength; Quadriceps femoris; Running; Sprinting time-course
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV557 Sports > GV1060 Track and field athletics
Divisions: Schools and Research Institutes > School of Sport and Exercise > Applied Sport & Exercise Sciences
Research Priority Areas: Sport, Exercise, Health & Wellbeing
Depositing User: Susan Turner
Date Deposited: 14 Feb 2020 14:38
Last Modified: 01 Jun 2020 15:48
URI: http://eprints.glos.ac.uk/id/eprint/8159

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