This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Foot, Subject name: Anatomy
[{'content': 'Which of the following dorsiflexes the foot - \nSelect and explain. \nA. Tibialis posterior, B. Tibialis anterior, C. Peroneus brevis, D. Extensordigitorum brevis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Tibialis anterior Ankle movementPrincipal musclesAccessory musclesDorsiflexionTibialis anteriorEDL, EHL, Peroneus tertiusPlantar flexionGastrocnemius, SoleusPlantaris. Tibialis posterior, FDL, FHL", 'role': 'assistant'}]