Resistance training acutely impairs agility and spike-specific performance measures in collegiate female volleyball players returning from the off-season

Doma, Kenji, Connor, Jonathan, Gahreman, Daniel, Boullosa, Daniel, Ahtiainen, Juha P., and Nagata, Akinori (2020) Resistance training acutely impairs agility and spike-specific performance measures in collegiate female volleyball players returning from the off-season. International Journal of Environmental Research and Public Health, 17 (18). 6448.

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Abstract

This study examined the acute effects of resistance training (RT) on volleyball-specific performance. Sixteen female volleyball players undertook their initial, pre-season RT bout. Countermovement jump (CMJ), delayed onset of muscle soreness (DOMS), and sport-specific performances (i.e., run-up jump, agility, and spiking speed and accuracy) were measured before, 24 (T24), and 48 (T48) hours after RT. A significant increase in DOMS was observed at T24 and T48 (~207.6% ± 119.3%; p < 0.05; ES = 1.8 (95% CI: 0.94–2.57)), whilst agility was significantly impaired at T48 (1.7% ± 2.5%; p < 0.05; ES = 0.30 (95% CI: −0.99–0.40)). However, there were no differences in CMJ (~−2.21% ± 7.6%; p > 0.05; ES = −0.11 (95% CI: −0.80–0.58)) and run-up jump (~−1.4% ± 4.7%; p > 0.05; ES = −0.07 (95% CI: −0.76–0.63)). Spiking speed was significantly reduced (−3.5% ± 4.4%; p < 0.05; ES = −0.28 (95% CI: −0.43–0.97)), although accuracy was improved (38.3% ± 81.4%: p < 0.05) at T48. Thus, the initial, preseason RT bout compromised agility and spiking speed for several days post-exercise. Conversely, spiking accuracy improved, suggesting a speed–accuracy trade-off. Nonetheless, at least a 48-h recovery may be necessary after the initial RT bout for athletes returning from the off-season or injury.

Item ID: 66714
Item Type: Article (Research - C1)
ISSN: 1660-4601
Keywords: Change-of-direction, Jump, Muscle damage, Muscle soreness, Strength training
Copyright Information: © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Date Deposited: 16 Apr 2021 04:45
FoR Codes: 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420799 Sports science and exercise not elsewhere classified @ 100%
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