Telescopic test is useful to diagnosis:
Perthe's disease
Intracapsular fracture neck of femur
Malunited Trochanteric fracture
Ankylosis of hip joint
(b) Intracapsular fracture neck of femur- Positive Telescopy test indicates instability of hip joint such as: old unreduced posterior dislocation, loss of neck and or head in old fractures neck femur and paralytic hip.
Pelvis & Injuries