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Hip and Pelvis

QuestionOriginInsertionActionNerveArtery
Adductor Magnus ischial tuberosity, pubic rami, ischium from greater trochanter to linea aspera to medial supracodylar line, adductor tubercle adducts thigh, upper portion flexes thigh, lower portion extends the thigh sciatic and posterior branch of obturator medial femoral circumflex and obturator and popliteal as muscle goes distally
Pectineus iliopectineal line on superior pubic rami lesser trochanter to linea aspera adduction, flexion, and internal rotation of hip/thigh femoral medial femoral circumflex and obturator
Gluteus Maximus posterior crest of ilium, posterior sacrum and coccyx, sacrotuberous ligament gluteal tuberosity and tensor fascae latae strong extensor, upper fibers assist in abduction, lower fibers assist in adduction inferior gluteal superior and inferior gluteal, 1st branch of profunda femoris
Gluteus Medius outer surface of iliac crest lateral surface of greater trochanter abduction of thigh superior gluteal deep branch of superior gluteal
Gluteus minimus outer surface of iliac crest below origin of gluteus medius anterior border of greater trochanter abduction and internal rotation of thigh, may assist in hip flexion superior gluteal deep branch of superior gluteal
Piriformis anterior pelvic surface of sacrum and sacrotuberous ligament upper border of greater trochanter external rotation of hip/thigh, will abduct when hip is flexed 1st and 2nd sacral superior and inferior gluteal, internal pudendal
Gemellus Superior outer surface of ischial spine blends with tendon of obturator internus into medial surface of greater trochanter external rotation of hip/thigh sacral plexus inferior gluteal
Obturator Internus inner aspect of pelvis, margins of obturator foramen, obturator fascia medial surface of greater trochanter external rotation of hip/thigh sacral plexus internal pudendal and superior gluteal
Gemellus Inferior proximal region of ischial tuberosity blends with tendon of obturator internus into medial surface of greater trochanter external rotation of hip/thigh sacral plexus inferior gluteal
Obturator Externus outer margin of obturator foramen and rami of pubis trochantic fossa external rotation of hip/thigh obturator obturator and medial femoral circumflex
Quadratus Femoris lateral border of ischial tuberosity anterior portion of greater trochanter and intertrochantic line external rotation of hip/thigh and adduction sacral plexus medial femoral circumflex
Iliacus upper 2/3 of iliac fossa, iliac crest, base of sacrum tendon of psoas major, joint capsule, lesser trochanter flexion of hip/thigh femoral iliac branch of iliolumbar and gluteal
Psoas Major transverse process intervertebral discs and bodies of all lumbar vertebrae lesser trochanter of femur flexion of hip/thigh and when thogh is flexed, it flexes vertebral column on pelvis 2nd and 3rd lumbar plexus iliolumbar
Adductor Longus Anterior portion of pubic bone and pubic symphysis middle portion of medial lip of linea aspera adducts hip/thigh, assists in hip flexion anterior branch of obturator medial femoral circumflex and obturator
Adductor Brevis inferior pubic rami line from lesser trochanter to linea aspera adducts hip/thigh, assists in hip flexion anterior branch of obturator medial femoral circumflex and obturator
Created by: bbonnet1