Orthopaedics Mallet finger is: A Avulsion fracture of extensor tendon of distal phalanx B Fracture of distal phalanx C Fracture of middle phalanx D Fracture of proximal phalanx 💡 Explanation Mallet finger is: ✓ Correct Answer: A. Avulsion fracture of extensor tendon of distal phalanx