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Biomechanical and wearability testing of novel legwear for variably limiting extension of the metacarpophalangeal joint of horses.
Am J Vet Res ; 82(1): 39-47, 2021 Jan.
Article em En | MEDLINE | ID: mdl-33369493
OBJECTIVE: To evaluate the ability of novel legwear designed to limit extension of the metacarpophalangeal joint (MCPJ) to redirect loading forces from the flexor apparatus during walk, trot, and canter on a treadmill and during unrestrained and restrained activity in a stall. ANIMALS: 6 adult horses without musculoskeletal disease. PROCEDURES: Legwear-derived force data were recorded under 4 conditions: inactive state (unlimited legwear extension) and 3 active (restrictive) states (mild, 30° extension; moderate, 20° extension; or maximum, 10° extension). Associations between peak legwear loads and torques among legwear states and treadmill gaits and stall activities were assessed. The hair coat and skin of the forelimbs were examined for any legwear-induced adverse effects after testing. RESULTS: During the treadmill exercises, moderate restriction of legwear extension resulted in significantly higher peak load and torque than mild restriction, and faster speeds (canter vs walk or trot and trot vs walk) yielded significantly higher peak load and torque. During in-stall activity, maximum restriction of legwear extension yielded significantly higher peak load and torque than moderate restriction. Unrestrained in-stall activity resulted in significantly higher peak load and torque than restrained activity. The legwear caused minimal adverse effects on the hair coat and skin of the forelimbs. CONCLUSIONS AND CLINICAL RELEVANCE: Findings suggested that the legwear variably reduced peak loads on the flexor apparatus. Extension of the MCPJ may be incrementally adjusted through the legwear such that return to activity may be controlled, and controlled return to activity is crucial for rehabilitating flexor apparatus injuries.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Membro Anterior / Marcha Limite: Animals Idioma: En Revista: Am J Vet Res Ano de publicação: 2021 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Membro Anterior / Marcha Limite: Animals Idioma: En Revista: Am J Vet Res Ano de publicação: 2021 Tipo de documento: Article