Which passive movement causes weakness in deep posterior compament syndrome?
The deep posterior compament contains the flexor hallucis longus, flexor digitorum longus, and posterior tibialis muscles, as well as the posterior tibial nerve. In deep posterior compament syndrome, paresthesias in the plantar aspect of the foot and weakness of toe flexion and foot inversion. Ref: ACSM's Spos Medicine: A Comprehensive Review edited by Francis G. O'Connor, 2012, Page 681.
Foot abduction
Foot inversion
Plantar flexion of foot
Foot adduction