<prompt> In forceful inversion of foot, fracture of the tuberosity of 5th metatarsal is due to pull exeed by which tendonPeroneus longusPeroneus breviusPeroneus teiusExtensor digitorum  <response>: PERONEUS BREVIS:- Origin-lateral surface of shaft of fibula. Inseion-lateral side of base of 5th metatarsal. Nerve supply-superficial peroneal nerve. Action- eveor of foot. Fracture of tuberosity of 5 th metatarsal bone occurs due to pull of Peroneus brevis muscle.Fracture of 2nd, 3rd, 4th or 5th metatarsal bones is common in soldiers and policemen- march fracture. Reference: BDC 6E pg no.36 