Active muscle and tendon stiffness of plantar flexors in sprinters
| Autor: | Hideaki Yata, Daisuke Miyazaki, Keitaro Kubo, Toshihiro Ikebukuro, Naoya Tsunoda, Masaji Okada |
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| Rok vydání: | 2016 |
| Předmět: |
Male
musculoskeletal diseases medicine.medical_specialty animal structures Physical Therapy Sports Therapy and Rehabilitation Isometric exercise Achilles Tendon Plantar flexion Running Tendons Young Adult 03 medical and health sciences Gastrocnemius muscle 0302 clinical medicine Physical medicine and rehabilitation Isometric Contraction medicine Humans Orthopedics and Sports Medicine Muscle Skeletal Ultrasonography Leg Achilles tendon Foot business.industry Stiffness 030229 sport sciences Anatomy Fascicle musculoskeletal system Biomechanical Phenomena Tendon body regions medicine.anatomical_structure Torque Physical Fitness Active muscle medicine.symptom business Ankle Joint 030217 neurology & neurosurgery |
| Zdroj: | Journal of Sports Sciences. 35:742-748 |
| ISSN: | 1466-447X 0264-0414 |
| DOI: | 10.1080/02640414.2016.1186814 |
| Popis: | The aim of the present study was to investigate and compare muscle and tendon stiffness under active conditions in sprinters and untrained participants. In total, 14 sprinters and 24 untrained men participated in this study. Active muscle stiffness in the medial gastrocnemius muscle was calculated based on changes in estimated muscle force and fascicle length during fast stretching after submaximal isometric contractions. Tendon stiffness was determined during isometric plantar flexion using ultrasonography. No significant differences were observed in active muscle stiffness between sprinters and untrained men at any torque levels. Furthermore, no significant difference was noted in tendon stiffness between the two groups. These results suggest that muscle and tendon mechanical properties in the plantar flexors under active conditions are similar in sprinters and untrained participants. |
| Databáze: | OpenAIRE |
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