A 54YR old male patient met with a road traffic accident and was brough to the ER ,he was unable to move his right arm .x ray shown below . which of the following nerve may be injured in this case ?

Orthopaedics

A 54YR old male patient met with a road traffic accident and was brough to the ER ,he was unable to move his right arm .x ray shown below . which of the following nerve may be injured in this case ?

What is the use of the given instrument:

Which fracture results in the given deformity?

Positive pivot shift test in knee is because of injury to -