Telescopic test is useful to diagnose
Pehe's disease
Intracapsular fracture neck of femur
Malunited Trochanteric fracture
Ankylosis of hip joint
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. Telescoping digits is seen in psoriatic ahritis
Pelvis and Hip Injury