A cricketer holds a catch and then presents with pain at the base of the right thumb. He should be examined to specifically rule out damage to which of the following structure :

Orthopaedics

A cricketer holds a catch and then presents with pain at the base of the right thumb. He should be examined to specifically rule out damage to which of the following structure :

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 -