Hip examination

In medicine, the hip examination, or hip exam, is undertaken when a patient has a complaint of hip pain and/or signs and/or symptoms suggestive of hip joint pathology. It is a physical examination maneuver.

The hip examination, like all examinations of the joints, is typically divided into the following sections:

• Position/lighting/draping
• Inspection
• Palpation
• Motion
• Special maneuvers

The middle three steps are often remembered with the saying look, feel, move.

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Position/Lighting/Draping

Position - for most of the exam the patient should be supine and the bed or examination table should be flat. The patient's hands should remain at her sides with her head resting on a pillow. The knees and hips should be in the anatomical position (knee extended, hip neither flexed nor extended).

Lighting - adjusted so that it is ideal.

Draping - both of the patient's hips should be exposed so that the quadriceps muscles and greater trochanter can be assessed.

Inspection

Inspection done while the patient is standing

The hip should be examined for:

• Abnormal gait - i.e. antalgic gait

Inspection done while supine

The hip should be examined for:

• Masses
• Scars
• Lesions
• Signs of trauma/previous surgery
• Bony Alignment (rotation, leg length)
• Muscle bunk and symmetry at the hip and knee

Measures

• True leg length - anterior superior iliac spine (ASIS) to medial malleolus
• Apparent leg length - umbilicus to medial malleolus

In hip fractures the affected leg is often shortened and externally rotated.

Palpation

The hip joint lies is deep and cannot normally be directly palpated.

To assess for pelvic fracture one should palpate the:

• Ischial spines
• Pubic rami

Movement

• Internal rotation - with knee and hip both flexed at 90 degrees the ankle is abducted.
• External rotation - with knee and hip both flexed at 90 degrees the ankel is adducted.
• Flexion
• Extension - done with the patient on their side. Alignment should be assessed by palpation of the ASIS, PSIS and greater trochanter.
• Abduction - assessed whilst palplating the contralateral ASIS.
• Adduction - assessed whilst palpating the ipsilateral ASIS.

• Assessment for a hidden flexion contracture of the hip - hip flexion contractures may be occult, due to compensation by the back. They are assessed by:
  1. Placing a hand behind the lumbar region of back
  2. Getting the patient to fully flex the contralateral hip.
  3. The hand in the lumbar region is used to confirm the back is straightened (flexed relative to the anatomic position). If there is a flexion contracture in the ipsilateral hip it should evident, as the hip will appear flexed.

Normal range of motion

• Internal rotation - 35°
• External rotation - 45°
• Flexion - 135°
• Extension - 25°
• Abduction - 45°
• Adduction - 25°

Special maneuvers

• Trendelenburg test

telescoping axial movement is tested with knee bent 90 degrees and lying on couch.tests for dislocation

Other tests

A knee examination should be undertaken in the ipsilateral knee to rule-out knee pathology.

See also

• Anatomical terms of location
• Anatomical terms of motion