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What is Jone's fracture is: and explain in detail?
Fig. Jone's fracture- Occurs at the base of fifth metatarsal at metaphysio-diaphyseal junction and Pseudojones/Dancers Fractures is an avulsion fracture of the tip of 5th metatarsal 5th metatarsal is the M/C metatarsal to undergo traumatic fracture. Base of 5th metatarsal is divided into three zones- Zone 1. Avulsion fractures (Pseudo Jones fracture/ dancer's fracture) of peroneus brevis(not longus) tendon. Zone 2. Fractures at the metaphysealdiaphyseal junction (Jone's fracture) Zone 3. Stress fractures of the proximal 1.5 cm of the shaft of the fifth metatarsal.