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': 'Plantar flexion is brought about by which of these muscles -a) Plantarisb) Flexor hallucis longusc) Tibialis anteriord) Peronius brevise) Soleus \nSelect and explain. \nA. abe, B. bd, C. ace, D. ae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dorsiflexion of ankle joint is mainly by Tibialis anterior. It is also supported for the movement by extensor digitorum longus, extensor halluces longus and peroneus tertius.\nPlantar flexion is mainly by soleus and gastrocnemius. It is supported for the movement by plantaris, flexor halluces longus, flexor digitorum longus and tibialis posterior.', 'role': 'assistant'}]