Table 1 .

Common causes of adult hip pain

CONDITION	COMMON COMPLAINTS AND CLINICAL FEATURES	PHYSICAL FIND INGS
Groin strain	Sudden onset groin pain, often following a specific event that can be recalled	Groin pain on active or passive abduction or extension
Osteoarthritis	Insidious onset of groin pain (less commonly buttock pain); worse with activity; occasionally, pain at night	More common in advanced stages; decreased range of motion (especially internal rotation); antalgic or gluteus medius gait; leg length discrepancy
Trochanteric bursitis	Lateral hip pain; worse with activity; difficulty lying on affected side	Tenderness on palpation of greater trochanter; lateral pain with resisted adduction