over half are of insidious onset whilst others are acute after a precipitant or have intermittent episodes
90% complain of anterior hip or groin pain (esp. if anterior labral tear)
some have anterior thigh, lateral hip or buttock pain (esp. of posterior labral tear) and may radiate to knee
women may also have concomitant pelvic-floor pain
may also have clicking, locking or catching, or giving way and develop hip instability
walking, pivoting, prolonged sitting, and impact activities, such as running, often aggravate symptoms
most have night pain
most commonly reported ROM limitation was in rotation, but hip flexion, adduction, and abduction ROM limitations also have been reported
positive anterior hip-impingement test may be present
performed with the patient supine with the hip and knee at 90° of flexion.
hip is internally rotated while an adduction force is applied.
positive test results in pain provocation in the anterolateral hip or groin
positive posterior hip impingement test may be present
patient lies prone with hip and knee extended and the examiner passively extends, adducts, and externally rotates hip
positive test reproduces anterior hip or posterior pelvic pain
physical exam findings remain inconsistent, likely because of the variable locations of labral tears