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OIA Pelvis and Hips
| Question | Answer |
|---|---|
| Iliopsoas (psoas major + iliacus) | O- Iliac fossa, T12-L5 I- Lesser trochanter A- Hip flexion I-femoral nerve P- Supine, bolster under knees, place fingers midway between ASIS and umbilicus; slowly sink finders in, moving in small circles |
| Rectus femoris | O- AIIS I- Tibial tuberosity A- Knee extension, assists in hip flexion I- femoral nerve P- Supine, bolster under knees, locate AIIS and patella; draw imaginary line and palpate along line. Ask partner to flex hip |
| Sartorius | O- AIIS I- Proximal, medial tibia at pes anserine A- Combination of hip flexion, abduction, ER; assists with knee flexion I- Femoral nerve P- Supine, palpate tendon at inferior/medial ASIS; palpate along length of muscle, medial to vastus medialis |
| Adductors (Longus, Brevis, Magnus) | O- Pubis I- Linea aspera; magnus also inserts on adductor tubercle A- Hip adduction I- Obturator nerve; magnus also has sciatic innervation None cross the knee |
| Gracilis | O- Pubis I- Proximal, media tibia at pes anserine A- Hip adduction; assists with knee flexion I- Obturator nerve Palpate with adductor group; gracilis is the most superficial adductor |
| Tensor Fascial Latae (TFL) and Iliotibial Band (ITB) | O- Iliac crest just posterior to ASIS I- Iliotibial band A- Hip flexion, abduction, medial rotation I- Superior gluteal nerve Supine, locate ASIS; place hand posterior and distal to ASIS. Ask partner to MR hip, follow TFL distally until blends w ITB |
| Gluteus Maximus | O- Posterior sacrum and ilium I- Distal to greater trochanter A- Hip extension, lateral rotation I- Inferior gluteal nerve Prone, palpate superficial glute max from O to I. Ask partner to perform hip extension with knee flexed |
| Gluteus medius | O- Outer surface of ilium I- Greater trochanter A- Hip abduction I- Superior gluteal nerve Sidelying, pillow between knees, Palpate glue med between the iliac crest and greater trochanter. Ask partner to abduct hip |
| Gluteus minimus | O- Outer surface of ilium I- Greater trochanter A- Hip abd, medial rotation I- Superior gluteal nerve Unable to palpate since it's deep to the glute med |
| Piriformis | O- Sacrum I- Greater trochanter A- Hip lateral rotation I- Sacral plexus (s1, s2) Prone, imaginary line from sacrum to greater trochanter; palpate along line, deep to glute max. flex knee to 90 degree and resist lateral rotation of hip |
| Biceps Femoris (Short and long heads) | O- Long head- ischial tuberosity, Short head- posterior femur I- Head of fibula A- Knee flexion; assists with hip extension I- Sciatic nerve Prone, locate ischial tuberosity and palpate along posterior thigh to fibular head. ask partner to flex knee |
| Semitendinosis | O- Ischial tuberosity I- Proximal, medial tibia at pes anserine A- Knee flexion; assists with hip extension I- Sciatic nerve Prone, palpate muscle belly at post-med thigh, palpate tendon at posterior medial knee at popliteal crease; lateral semimembra |
| Semimembranosis | O- Ischial tuberosity O- Posterior medial condyle of tibia A- Knee flexion; assists with hip extension I- Sciatic nerve Prone, palpate tendon at post-med knee at popliteal crease, medial to semitend |
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