University of Worcester Worcester Research and Publications

A Plyometric Warm-Up Protocol Improves Running Economy in Recreational Endurance Athletes

Wei, C., Yu, L., Duncan, Benedict and Renfree, Andrew ORCID: (2020) A Plyometric Warm-Up Protocol Improves Running Economy in Recreational Endurance Athletes. Frontiers in Physiology, 11. Article no. 197. ISSN 1664-042X

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This study explored the impact of two differing warm-up protocols (involving either resistance exercises or plyometric exercises) on running economy (RE) in healthy recreationally active participants. Twelve healthy university students [three males, nine females, age 20 ± 2 years, maximal oxygen uptake (38.4 ± 6.4 ml min–1 kg–1)] who performed less than 5 h per week of endurance exercise volunteered to participant in this study. All participants completed three different warm-up protocols (control, plyometric, and resistance warm-up) in a counterbalanced crossover design with trials separated by 48 h, using a Latin-square arrangement. Dependent variables measured in this study were RE at four running velocities (7, 8, 9, and 10 km h–1), maximal oxygen uptake; heart rate; respiratory exchange rate; expired ventilation; perceived race readiness; rating of perceived exertion, time to exhaustion and leg stiffness. The primary finding of this study was that the plyometric warm-up improved RE compared to the control warm-up (6.2% at 7 km h–1, ES = 0.355, 9.1% at 8 km h–1, ES = 0.513, 4.5% at 9 km h–1, ES = 0.346, and 4.4% at 10 km h–1, ES = 0.463). There was no statistically significant difference in VO2 between control and resistance warm-up conditions at any velocity. There were also no statistically significant differences between conditions in other metabolic and pulmonary gas exchange variables; time to exhaustion; perceived race readiness and maximal oxygen uptake. However, leg stiffness increased by 20% (P = 0.039, ES = 0.90) following the plyometric warm-up and was correlated with the improved RE at a velocity of 8 km h–1 (r = 0.475, P = 0.041). No significant differences in RE were found between the control and resistance warm-up protocols. In comparison with the control warm-up protocol, an acute plyometric warm-up protocol can improve RE in healthy adults.

Item Type: Article
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Uncontrolled Discrete Keywords: Physiology, plyometric, resistance, warm-up, leg stiffness, post-activation potentiation, running economy
Subjects: Q Science > Q Science (General)
Divisions: College of Business, Psychology and Sport > School of Sport and Exercise Science
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Copyright Info: Open access article
SWORD Depositor: Prof. Pub Router
Depositing User: Andrew Renfree
Date Deposited: 26 Mar 2020 16:28
Last Modified: 23 Oct 2020 04:00

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