A patient presented with inability to flex distal interphalangeal joint of fouh and fifth finger, and is unable to hold a card between his fingers. Fracture at which of the following site might have damaged the nerve, leading to this set of clinical features
Inability to flex distal interphalangeal joint (flexor digitorum profundus) of 4th & 5th finger supplied by ulnar nerve Is not working Card test is positive palmar interossei are affected (PAD-Palmar interossei are for adduction) due to ulnar nerve injury. Head of humerus is medial so 'D' is medial epicondyle. Ulnar nerve passes posterior to medial epicondyle Ulnar nerve injury results in 'ulnar claw hand'
A
B
C
D
Nerve supply, Nerve Lesions