A 30 year old man involved in a fisticuff, injured his middle finger and noticed slight flexion of DIP joint. X-ray were normal. The most appropriate management at this stage is :

Orthopaedics

A 30 year old man involved in a fisticuff, injured his middle finger and noticed slight flexion of DIP joint. X-ray were normal. The most appropriate management at this stage is :

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 -