Effects of repeated sprinting on hamstring shear modulus pattern and knee flexor neuromuscular parameters

The purpose of the present study was to examine the acute effects of a maximum repeated sprint protocol on (1) hamstring shear modulus and (2) knee flexor neuromuscular parameters such as peak torque (PT) and rate of torque development (RTD). Muscle shear modulus was assessed in 18 healthy males usi...

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Bibliographic Details
Published in:Scientific reports 2023-08, Vol.13 (1), p.12624-12624, Article 12624
Main Authors: Pimenta, Ricardo, Lopes, Tomás, Correia, José Pedro, Veloso, António Prieto
Format: Article
Language:English
Subjects:
631/443
631/57
639/301
Acute effects
Fatigue
Humanities and Social Sciences
Knee
Metabolism
multidisciplinary
Muscle contraction
Muscles
Science
Science (multidisciplinary)
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Summary:The purpose of the present study was to examine the acute effects of a maximum repeated sprint protocol on (1) hamstring shear modulus and (2) knee flexor neuromuscular parameters such as peak torque (PT) and rate of torque development (RTD). Muscle shear modulus was assessed in 18 healthy males using shear wave elastography at rest and during 30° isometric knee flexion at 20% of maximal voluntary isometric contraction, before and after a 10 × 30 m repeated sprint protocol. There was a 9% decrease in average speed between the fastest and slowest sprint (p 
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-023-38861-9