<prompt> What is March fracture?Fracture of 2nd metatarsalFracture of 4th metatarsalFracture of cuboidsFracture of tibia  <response>: 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 