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Effect of Orthoses on Changes in Neuromuscular Control and Aerobic Cost of a 1 hour Run

Kelly, L.A., Girard, O. & Aspetar, S,R. Qatar Orthopaedic and Sports Medicine Hospital, Doha, QATAR Med. Sci. Sports Exerc., Vol 43

Formthotics reduce plantar flexor fatigue during treadmill running.

This study showed that treadmill running for 1 hour in shoes fitted with Formthotics resulted in an altered neuromuscular control of running and partly protects from fatigue induced reductions in the plantar flexors. Although this is unlikely to reduce the aerobic cost of running, there may be benefits in using Formthotics when reduced loading in VM or GM is desired. In addition, Formthotics may reduce ankle plantar flexor muscle fatigue.