This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which passive movement causes weakness in deep posterior compament syndrome? \nSelect and explain. \nA. Foot abduction, B. Foot inversion, C. Plantar flexion of foot, D. Foot adduction', 'role': 'user'}, {'content': "Answer: B \nExplanation: 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.", 'role': 'assistant'}]