Changes in passive and active hamstrings shear modulus are not related after a warmup protocol

Ricardo Pimenta, José P. Correia, João R. Vaz, António P. Veloso, Walter Herzog

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This study aimed to determine whether changes in hamstrings passive and active shear modulus after a warmup protocol are correlated. Twenty males without a history of hamstring strain injury participated. Muscle shear modulus was assessed using ultrasound-based shear wave elastography at rest and during isometric contractions at 20% of maximal voluntary isometric effort before and immediately after a warmup protocol. Changes in passive shear modulus did not seem to be associated with changes in active shear modulus. The results of this study suggest that changes in passive and active hamstring shear modulus are not associated after a standardized warmup intervention.

Original languageEnglish
Article number111957
Pages (from-to)111957
Number of pages5
JournalJournal of Biomechanics
Volume163
DOIs
Publication statusPublished - Jan 2024

Keywords

  • Exercise
  • Lower extremity
  • Musculoskeletal ultrasound
  • Shear modulus
  • Shear wave elastography
  • Hamstring Muscles/diagnostic imaging
  • Elasticity Imaging Techniques/methods
  • Humans
  • Elastic Modulus/physiology
  • Ultrasonography
  • Male
  • Muscle, Skeletal/diagnostic imaging

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