A 12 year old boy presents with chronic knee pain for 2 years/. Knee x ray is shown. Probable diagnosis:

Orthopaedics

A 12 year old boy presents with chronic knee pain for 2 years/. Knee x ray is shown. Probable diagnosis:

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 -