This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy and physiology of bone and fracture healing, Subject name: Orthopaedics
What is March fracture? 
Select and explain. 
A. Fracture of 2nd metatarsal, B. Fracture of 4th metatarsal, C. Fracture of cuboids, D. Fracture of tibia
A: Fracture of 2nd metatarsal
Answer: A: Fracture of 2nd metatarsal 
Explanation: March fracture, also known as Insufficiency fracture is a stress or fatigue fractures of the metatarsals paicularly the second metatarsal bone.It is more often seen in military personnel who induge in frequent and prolonged marching. ref: john ebnezar textbook ,page no.288