50 year old man with dashboard injury in RTA. Dislocation was reduced after 3 days, started complaining of pain in left hip after 6 months x-ray pelvis is normal. most relevant investigation

Orthopaedics

50 year old man with dashboard injury in RTA. Dislocation was reduced after 3 days, started complaining of pain in left hip after 6 months x-ray pelvis is normal. most relevant investigation

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 -