Effects of foot orthoses on Achilles tendon load in recreational runners

Abstract Background Achilles tendon pathology is a frequently occurring musculoskeletal disorder in runners. Foot orthoses have been shown to reduce the symptoms of pain in runners but their mechanical effects are still not well understood. Methods This study aimed to examine differences in Achilles...

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Bibliographic Details
Published in:	Clinical biomechanics (Bristol) 2014-09, Vol.29 (8), p.956-958
Main Authors:	Sinclair, J, Isherwood, J, Taylor, P.J
Format:	Article
Language:	eng
Subjects:	Achilles tendon Achilles Tendon - physiopathology Adult Ankle Joint - physiopathology Athletes Athletic Injuries Biomechanical Phenomena Biomechanics Foot - physiopathology Foot Orthoses Humans Male Musculoskeletal Diseases - physiopathology Orthotic Physical Medicine and Rehabilitation Running - physiology Young Adult
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Summary:	Abstract Background Achilles tendon pathology is a frequently occurring musculoskeletal disorder in runners. Foot orthoses have been shown to reduce the symptoms of pain in runners but their mechanical effects are still not well understood. Methods This study aimed to examine differences in Achilles tendon load when running with and without orthotic intervention. Twelve male runners ran at 4.0 m·s − 1 . Ankle joint moments and Achilles tendon forces were compared when running with and without orthotics. Findings The results indicate that running with foot orthotics was associated with significant reductions in Achilles tendon load compared to without orthotics. Interpretation In addition to providing insight into the mechanical effects of orthotics in runners, the current investigation suggests that via reductions in Achilles tendon load, foot orthoses may serve to reduce the incidence of chronic Achilles tendon pathologies in runners.
ISSN:	0268-0033 1879-1271