Orthopaedics A 5-year-old boy presents to the Accident Clinic with a fracture in the shaft of humerus. Then how will you exclude the involvement of radial nerve? A Inability in flexion of forearm and loss of sensation in lateral forearm B Inability in extension of wrist and loss of sensation in area over anatomical snuff box C Inability to flex the MP joint and extend the PIP joint D Inability to perform opposition 💡 Explanation A 5-year-old boy presents to the Accident Clinic with a fracture in the shaft of humerus. Then how will you exclude the involvement of radial nerve? ✓ Correct Answer: B. Inability in extension of wrist and loss of sensation in area over anatomical snuff box