This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
The tendon of which muscle is involved when the tuberosity of the fifth metatarsal bone is avulsed in an inversion fracture 
Select and explain. 
A. Abductor digi minimi, B. Peroneus brevis, C. Peroneus longus, D. Tibialis anterior
B: Peroneus brevis
Answer: B: Peroneus brevis 
Explanation: .When the base of the fifth metatarsal is fractured, the peroneus brevismay pull on and displace the proximal fragment (Jones Fracture). An inversion sprain of the foot may pull the tendon such that it avulses the tuberosity at the base of the fifth metatarsal. Ref ganong's review of medical physiology 25e p468