Telescopic test is useful to diagnose
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
Pehe's disease
Intracapsular fracture neck of femur
Malunited Trochanteric fracture
Ankylosis of hip joint
Pelvis and Hip Injury