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origin; insertion; action; nerve

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Term
Definition
Psoas Major - ORIGIN   Bodies and Transverse processes of lumbar vertebrae (L1-L5)  
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Psoas Major - INSERTION   Lesser trochanter  
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Psoas Major- ACTION   Hip flexion  
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Psoas Major - INNERVATION   Lumbar Plexus  
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iliacus- ORIGIN   iliac fossa  
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iliacus- INSERTION   Lesser trochanter  
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iliacus - ACTION   Hip flexion  
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iliacus - INNERVATION   Femoral  
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Tensor Fascia Latae- ORIGIN   iliac crest, posterior to the ASIS  
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Tensor Fascia Latae - INSERTION   iliotibial tract (IT band)  
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Tensor Fascia Latae - ACTION   Hip Flexion, ABD, IR  
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Tensor Facia Latae - INNERVATION   Superior gluteal  
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Sartorius- ORIGIN   ASIS  
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Sartorius- INSERTION   Proximal-medial shaft of tibia (at pes anserinus tendon)  
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Sartorius - ACTION   Hip Flexion, ABD, ER; Knee flexion & IR  
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Sartorius - INNERVATION   Femoral  
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Rectus Femors- ORIGIN   AIIS  
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Rectus Femors- INSERTION   Tibial tuberosity  
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Rectus Femors - ACTION   Hip flexion; knee extension  
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Rectus Femors - INNERVATION   Femoral  
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Pectineus- ORIGIN   Superior ramus of pubis (pectinal line)  
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Pectineus- INSERTION   Pectinal line of femur  
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Pectineus - ACTION   Hip ADD, IR & Flexion  
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Pectineus - INNERVATION   Obturator & Femoral nerve  
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Gracilis- ORIGIN   Inferior ramus of the pubis  
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Gracilis- INSERTION   Proximal-medial shaft of the tibia (at pes anserinus)  
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Gracilis - ACTION   Hip ADD; Knee Flexion & IR  
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Gracilis - INNERVATION   Obturator  
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Adductor Longus- ORIGIN   Pubic tubercle  
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Adductor Longus- INSERTION   Medial lip of linea aspera  
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Adductor Longus - ACTION   Hip ADD & IR; Assist in Hip flexion  
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Adductor Longus - INNERVATION   Obturator  
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Adductor Brevis- ORIGIN   Inferior ramus of pubis  
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Adductor Brevis - INSERTION   Pectinal line & medial lip of linea aspera  
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Adductor Brevis - ACTION   Hip ADD & IR; Assist in Hip flexion  
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Adductor Brevis - INNERVATION   Obturator  
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Adductor Magnus - ORIGIN   Adductor Head: ischial ramus Extensor Head: Ischial tuberosity  
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Adductor Magnus - INSERTION   AdductorHead: entire linea aspera of femur Extensor Head: adductor tubercle  
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Adductor Magnus - ACTION   Adductor Head: hip ADD Extensor Head: hip extension  
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Adductor Magnus - INNERVATION   Adductor Head: obturator nerve Extensor Head: tibial portion of sciatic nerve  
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Gluteus Maximus - ORIGIN   coccyx, edge of sacrum, posterior iliac crest sacrotuberous and sacroiliac ligaments  
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Gluteus Maximus - INSERTION   gluteal tuberiosity (upper fibers) Iliotibial tract - IT band ( lower fibers)  
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Gluteus Maximus - ACTION   ALL FIBERS: Hip extension, ER, & ABD LOWER FIBERS: ADD hip  
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Gluteus Maximus - INNERVATION   Inferior gluteal  
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Semimembranosus - ORIGIN   Ischial tuberosity  
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Semimembranosus - INSERTION   Posterior aspect of medial condyle of the tibia  
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Semimembranosus - ACTION   Hip extension & IR (posterior pelvic tilt); Knee flexion  
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Semimembranosus - INNERVATION   Tibial  
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Semitendinosus - ORIGIN   Ischial tuberosity  
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Semitendinosus - INSERTION   proximal medial shaft of the tibia (pes anserinus)  
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Semitendinosus - ACTION   Hip extension & IR (posterior pelvic tilt); Knee flexion  
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Semitendinosus - INNERVATION   Tibial  
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Biceps Femoris - ORIGIN   Long head: ischial tuberosity Short head: lateral tip of linea aspera  
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Biceps Femoris - INSERTION   Head of the fibula  
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Biceps Femoris - ACTION   Hip extension & ER (posterior pelvic tilt); Knee flexion & ER  
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Biceps Femoris - INNERVATION   Tibial (long head) Peroneal (short head)  
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Piriformis - ORIGIN   Anterior surface of Sacrum  
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Piriformis - INSERTION   Superior apex of the Greater Trochanter  
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Piriformis - ACTION   Hip ER & ABD  
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Piriformis - INNERVATION   Sacral plexus  
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Quadratus Femoris - ORIGIN   Lateral boarder of Ischial Tuberosity  
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Quadratus Femoris - INSERTION   Intertrochanteric crest, between the greater and lesser trochanters (quadrate tubercle)  
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Quadratus Femoris - ACTION   Hip ER  
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Quadratus Femoris - INNERVATION   Sacral plexus  
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Obturator Internus - ORIGIN   Obturator membrane & inferior surface of obturator foramen  
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Obturator Internus - INSERTION   Medial surface of greater trochanter  
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Obturator Internus - ACTION   HIP ER  
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Obturator Internus - INNERVATION   Sacral plexus  
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Obturator Externus - ORIGIN   Ramus of ischium & inferior ramus of pubis  
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Obturator Externus - INSERTION   trochanteric fossa of femur  
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Obturator Externus - ACTION   HIP ER  
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Obturator Externus - INNERVATION   Obturator  
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Gemellus Superior - ORIGIN   ischial spine  
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Gemellus Superior - INSERTION   Medial surface of greater trochanter  
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Gemellus Superior - ACTION   HIP ER  
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Gemellus Superior - INNERVATION   Sacral plexus  
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Gemellus Inferior - ORIGIN   ischial tuberosity  
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Gemellus Inferior - INSERTION   Medial surface of greater trochanter  
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Gemellus Inferior - ACTION   HIP ER  
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Gemellus Inferior - INNERVATION   Sacral plexus  
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Gluteus Medius - ORIGIN   Gluteal surface of the ilium between the iliac crest & the posterior & anterior gluteal lines  
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Gluteus Medius - INSERTION   Greater trochanter  
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Gluteus Medius - ACTION   All fibers: HIP ABD Anterior fibers: HIP IR Posterior fibers: HIP extension & ER  
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Gluteus Medius - INNERVATION   Superor gluteal  
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Gluteus Minimus - ORIGIN   Gluteal surface of the ilium between the iliac crest & the posterior & anterior gluteal lines  
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Gluteus Minimus - INSERTION   Anterior border of greater trochanter  
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Gluteus Minimus - ACTION   HIP flexion, ABD & IR  
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Gluteus Minimus - INNERVATION   Superior gluteal  
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