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A Single Bout of On-Ice Training Leads to Increased Interlimb Asymmetry in Competitive Youth Hockey Athletes

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2024

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Twible, Bryce D.
McNeil, Chris J.
Dalton, Brian H.

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Journal of Applied Biomechanics. Human Kinetics. 2024, 40(5), S. 390-398. ISSN 1065-8483. eISSN 1543-2688. Verfügbar unter: doi: 10.1123/jab.2023-0196

Zusammenfassung

Interlimb asymmetry (ILA) refers to an anatomical or physiological imbalance between contralateral limbs, which can influence neuromuscular function. Investigating the influence of neuromuscular fatigue on ILA may be critical for optimizing training programs, injury rehabilitation, and sport-specific performance. The purpose of this study was to determine if a single bout of ice hockey-specific exercise creates or exacerbates lower-limb ILA. Before and after an on-ice training session, 33 youth ice-hockey athletes (14.9 [1.7] y; 11 females) performed 3 repetitions of a maximal vertical countermovement jump (CMJ), an eccentric hamstring contraction, and maximal isometric hip adduction and abduction contractions. Force- and power-related variables were analyzed to determine limb-specific neuromuscular function. The on-ice session reduced maximal isometric hip adduction (left: 7.3% [10.3%]; right: 9.5% [9.6%]) and abduction (left: 4.9% [6.9%]; right: 5.0% [8.1%]) force, but did not impair ( P  ≥ .10) CMJ performance (jump height, relative peak power, braking duration, and total duration). After the on-ice session, ILA was greater for CMJ propulsive impulse (6.3% [2.9%] vs 5.1% [2.6%]), CMJ braking rate of force development (19.3% [7.6%] vs 15.2% [6.4%]), and peak isometric hip adduction force (6.7% [5.5%] vs 6.1% [4.1%]). In conclusion, hockey-specific exercise leads to increased ILA for multiple force-related metrics, which may be a compensatory mechanism to maintain bilateral task performance when fatigued.

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ISO 690TWIBLE, Bryce D., Luca RUGGIERO, Chris J. MCNEIL, Brian H. DALTON, 2024. A Single Bout of On-Ice Training Leads to Increased Interlimb Asymmetry in Competitive Youth Hockey Athletes. In: Journal of Applied Biomechanics. Human Kinetics. 2024, 40(5), S. 390-398. ISSN 1065-8483. eISSN 1543-2688. Verfügbar unter: doi: 10.1123/jab.2023-0196
BibTex
@article{Twible2024-10-01Singl-70731,
  year={2024},
  doi={10.1123/jab.2023-0196},
  title={A Single Bout of On-Ice Training Leads to Increased Interlimb Asymmetry in Competitive Youth Hockey Athletes},
  number={5},
  volume={40},
  issn={1065-8483},
  journal={Journal of Applied Biomechanics},
  pages={390--398},
  author={Twible, Bryce D. and Ruggiero, Luca and McNeil, Chris J. and Dalton, Brian H.}
}
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