Reading Michaud's Human Locomotion chpt 8 states that f/foot Medially posted orthoses do not reduce hallux dorsiflexion in propulsive phase of gait i.e. they do not inhibit windlass action and cause FncHL. “Although it was originally believed that elevating the 1st metatarsal head during propulsion would produce functional hallux limitus, a kinematic study by Nawoczenski D (2004 JOSPT)et al has shown this is not the case”
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Forefoot medial posted orthoses do not reduce hallux dorsiflexion
