Architectural and Mechanical Changes after Five Weeks of Intermittent Static Stretch Training on the Medial Gastrocnemius Muscle of Active Adults.
hysteresis
muscle fascicle
passive torque
pennation angle
stiffness
ultrasonography
Journal
Sports (Basel, Switzerland)
ISSN: 2075-4663
Titre abrégé: Sports (Basel)
Pays: Switzerland
ID NLM: 101722684
Informations de publication
Date de publication:
27 Mar 2023
27 Mar 2023
Historique:
received:
16
02
2023
revised:
22
03
2023
accepted:
23
03
2023
medline:
27
4
2023
pubmed:
27
4
2023
entrez:
27
4
2023
Statut:
epublish
Résumé
We investigated the effects of intermittent long-term stretch training (5 weeks) on the architectural and mechanical properties of the muscle-tendon unit (MTU) in healthy humans. MTU's viscoelastic and architectural properties in the human medial gastrocnemius (MG) muscle and the contribution of muscle and tendon structures to the MTU lengthening were analyzed. Ten healthy volunteers participated in the study (four females and six males). The passive stretch of the plantar flexor muscles was achieved from 0° (neutral ankle position) to 25° of dorsiflexion. Measurements were obtained during a single passive stretch before and after the completion of the stretching protocol. During the stretch, the architectural parameters of the MG muscle were measured via ultrasonography, and the passive torque was recorded by means of a strain-gauge transducer. Repeated-measure ANOVA was applied for all parameters. When expressed as a percentage for all dorsiflexion angles, the relative torque values decreased (
Identifiants
pubmed: 37104147
pii: sports11040073
doi: 10.3390/sports11040073
pmc: PMC10144030
pii:
doi:
Types de publication
Journal Article
Langues
eng
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