A 11 year old 70kg child presents with limitation of abduction and internal rotation. Tenderness in scarpas triangle. On flexing hip, limb is abducted. Diagnosis is

Orthopaedics

A 11 year old 70kg child presents with limitation of abduction and internal rotation. Tenderness in scarpas triangle. On flexing hip, limb is abducted. Diagnosis 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 -