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
Least mobile metatarsal of foot 
Select and explain. 
A. 1st metatarsal, B. 2nd metatarsal, C. 3rd metatarsal, D. 4th metatarsal
B: 2nd metatarsal
Answer: B: 2nd metatarsal 
Explanation: 2nd metatarsal is longest and least mobile among all metatarsals, hence more prone for March fracture