Grip strength, muscle soreness and pain threshold perception evolution in baseball pitchers in a simulated 75-pitch game: A repeated measures study

Tremblay, M., Sirois, S. A., Abboud, J. et Descarreaux, M. (2025). Grip strength, muscle soreness and pain threshold perception evolution in baseball pitchers in a simulated 75-pitch game: A repeated measures study. BMJ Open Sport & Exercise Medicine, 11 (1). Article e002146. ISSN 2055-7647 DOI 10.1136/bmjsem-2024-002146

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Résumé

Abstract

Background/aim
In baseball pitching, neuromuscular fatigue and its manifestations on muscle strength, muscle soreness and pain perception affect pitching performance. The purpose of this study was to quantify the evolution of grip strength, muscle soreness and pain threshold perception and pitching velocity in baseball pitchers throughout a simulated 75-pitch game.

Methods
30 high-level amateur male baseball pitchers were recruited. Repeated measure analysis of covariance with age as a covariate (p<0.05) was used to identify significant differences across blocks of pitches for grip strength, muscle soreness, pain threshold perception and pitching velocity.

Results
Dominant arm grip strength (55.67±12.32 kg to 48.62±12.25 kg ; −12.66%) and pitching velocity (119.87±8.00 km/hour to 118.75±6.90 km/hour ; −0.93%) declined while muscle soreness perception increased in dominant arm forearm flexors (1.65±1.16 to 4.19±2.02 ; 25.38%), biceps (1.81±1.39 to 4.31±1.85 ; 25%) and non-dominant arm forearm flexors (1.38±1.10 to 2.12±1.63 ; 7.31%) across the pitching blocks (p<0.05).

Conclusion
In summary, a pitch count of 75 fastball pitches triggered an acute decline in grip strength combined with an increase in muscle soreness perception of the throwing arm in baseball pitchers.

Type de document:	Article
Date de dépôt:	26 mai 2025 15:02
Dernière modification:	26 mai 2025 15:10
Version du document déposé:	Version officielle de l'éditeur
URI:	https://depot-e.uqtr.ca/id/eprint/11976

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