Journal of science and medicine in sport · 2024
An exploration of the acute response of the asymptomatic Achilles tendon to exercise using diagnostic ultrasound. A systematic review of cohort studies.
Систематический обзорСтатьяНазвание и аннотация: Перевод в очереди
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Roesch Harry J, Banwell Helen, Jones Mark, Saunders Steve, Milanese Steve
Аннотация
OBJECTIVES: To describe the acute effects of exercise on the morphology, mechanical properties and blood flow of the Achilles tendon, as measured with ultrasound.
DESIGN: Systematic review of cohort studies.
METHODS: Seven electronic research databases were systematically searched for exercise intervention-based studies reporting morphology, mechanical properties and blood flow of the Achilles tendon, as measured with ultrasound.
RESULTS: Searches revealed 2460 possible articles and 35 satisfied the inclusion criteria. There is evidence that eccentric heel drops resulted in a reduction in the diameter and cross-sectional area of the tendon whilst running/stretch-shortening cycle activities did not result in a change. The latter did not affect tendon mechanical properties. Tendon blood flow was consistently increased in response to exercise.
CONCLUSIONS: The acute response of the Achilles tendon to exercise showed an increase in blood flow and a reduction in diameter following heel drop exercises. Exercise modes were relevant since eccentric and isometric loading resulted in a greater response in the tendon. Activities like running and hopping placing specific demands on the tendon's spring function resulted in a minimal change in tendon morphology and no change in mechanical properties.
DESIGN: Systematic review of cohort studies.
METHODS: Seven electronic research databases were systematically searched for exercise intervention-based studies reporting morphology, mechanical properties and blood flow of the Achilles tendon, as measured with ultrasound.
RESULTS: Searches revealed 2460 possible articles and 35 satisfied the inclusion criteria. There is evidence that eccentric heel drops resulted in a reduction in the diameter and cross-sectional area of the tendon whilst running/stretch-shortening cycle activities did not result in a change. The latter did not affect tendon mechanical properties. Tendon blood flow was consistently increased in response to exercise.
CONCLUSIONS: The acute response of the Achilles tendon to exercise showed an increase in blood flow and a reduction in diameter following heel drop exercises. Exercise modes were relevant since eccentric and isometric loading resulted in a greater response in the tendon. Activities like running and hopping placing specific demands on the tendon's spring function resulted in a minimal change in tendon morphology and no change in mechanical properties.