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Can Achilles tendon moment arm be predicted from anthropometric measures in pre-pubescent children? by C.M. Waugh; A.J. Blazevich; F. Fath; T. Korff is a Medicine article available to read on EtoBox.

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Muscle-tendon moment arm magnitudes are essential variables for accurately calculating muscle forces from joint moments. Their measurement requires specialist knowledge and expensive resources. Research has shown that the patellar tendon moment arm length is related to leg anthropometry in children. Here, we asked whether the Achilles tendon moment arm (MA AT ) can be accurately predicted in pre-pubescent children from surface anthropometry. Age, standing height, mass, foot length, intermalleolar ankle width, antero-posterior ankle depth, tibial length, lower leg circumference, and distances from the calcaneus to the distal head of the 1st metatarsal and medial malleolus were determined in 49 pre-pubescent children. MA AT was calculated at three different ankle positions (neutral, 101 plantarflexion, and 101 dorsiflexion) by differentiating tendon excursion, measured via ultrasonography, with respect to ankle angle change using seven different differentiation techniques. Backwards stepwise regression analyses were performed to identify predictors of MA AT. When all variables were included, the regression analysis accounted for a maximum of 49% of MA AT variance at the neutral ankle

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Author

C.M. Waugh; A.J. Blazevich; F. Fath; T. Korff

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0021-9290)

Published

2011

Language

EN

Field

Medicine (Health Sciences)