A 17-year-old boy came to the emergency room after a roadtraffic accident with multiple
injuries. Upon initial check-up, he has multiple lacerations on hischest, head and right
forearm. On examination, he is unable to extend his right arm aswell as forearm. The X-ray of
right arm shows fracture of mid shaft of humerus.
A. Which nerve is mostly likely damaged due to fracture of humerus?(2)
B. Enumerate the muscles in forearm supplied by the involved nerve.(4)
C. Write down the origin, course and termination along withbranches of the involved nerve. (4)