Gluteal Muscles and Thigh muscle chart.pdf
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Department
Health Sciences
Course
Health Sciences 3300A/B
Professor
Prof
Semester
Fall

Description
Gluteal  Muscles     • Two  nerve  plexuses:  sacral  and  lumbar   • Lumbar  plexus  contains  femoral  and  obturator  nerves   • Sacral  plexus  contains  gluteal  (superior/inferior) ,  sciatic,  common  fibular,  tibial   • “common”  nerves  always  have  branches  coming  off  them     The  Iliopsoas  Group   Muscle   origin   insertion     innervation   function   Psoas  (major  and  minor)   transverse  processes  of   lesser  trochanter  of   femoral  nerve   hip  flexion   lumbar  vertebrae   femur   Iliacus   iliac  fossa   lesser  trochanter  of   femoral  nerve   hip  flexion   femur   sartorius   ASIS  of  hip   “gooses  foot”   femoral  nerve   hip  flexion   rectus  femoris   AIIS  of  hip   quadriceps  tendon/tibial   femoral  nerve   hip  flexion   tuberosity     • Being  hip  flexors  =  pulls  thigh  up  towards  body   • 1  15  degrees  of  sit-­‐ups  uses  the  iliopsoas  group   • Rectus  femoris  is  the  only  quadriceps  muscle  that  is  in  pelvic  girdle   • The  Sartorius  crosses  the  leg   medially  to  laterally   • “gooses  foot”  –  located  at  the  medial  tibia,  is  an  important  landmark  that  we  can  identify  3  muscles  from  ( Sartorius,  gracilis,   semitendinosus).  With  Sartorius  =anterior/lateral,  gracilis  =  medial,  semitendinosus  =  posterior     Hip  Rotators  and  Stabilizers   Muscle   Origin   Insertion   Innervation   Function   Piriformis   Sacrum    greater  trochanter  of   Nerve  to  piriformis     Lateral   femur     rotation/abduction  of   hip,     Superior  Gemellus   Ischial  spine   Greater  trochanter  of   Nerve  to  obturator   Lateral   (longer  gemellus)   femur   internus     rotation/abduction  of  hip   Obturator  Internus   Internal  surface  of     greater  trochanter    of   Nerve  to  obturator   Lateral   obturator  foramen   femur   internus     rotation/abduction  of  hip   Inferior  Gemellus    ischial  tuberosity     Greater  trochanter  of   Nerve  to  quadratus   Lateral   (shorter  gemellus)   feumr   femoris     rotation/abduction  of  the   hip   Obturator  Externus     External  surface  of   Greater  trochanter  of   Obturator  Nerve   Medial   obturator  foramen   femur     rotation/adduction  of  hip   Quadratus  Femoris   Ischial  tuberosity   Greater  trochanter  of   Nerve  to  quadratus   Lateral   (square  muscle)   femur   femoris     rotation/abduction  of  hip       • Obturator  exeternus  is  classified  as   medial  thigh  muscle       Other   Muscle   Origin   Insertion   Innervation   Function   Gluteus  Maximus   Sacrum,  the  posterior   Gluteal  tuberosity  of  the   Inferior  Gluteal  Nerve   lateral  rotation,   iliac  spine     femur   extension  of  the  hip     Gluteus  Medius   Gluteal  ridges   Greater  tronchater  of  the   Superior  Gluteal  Nerve   Abduction  of  hip,  medial   femur     rotation     Gluteus  Minimus     Gluteal  ridges   Greater  tronchater  of  the   Superior  Gluteal  Nerve   abduction  of  hip,  medial   femur   rotation             Tensor  Fasciae  Latae   ilium   Lateral  tibia,  small   Superior  Gluteal  Nerve     Flexion,  medial  rotation   (part  of  gluteals)   portion  of  fibula   and  abduction  of  the   thigh,  trunk  stabilization       • Tensor  fascia  latae  has  2  parts:  the  fascia  latae  is  a  sheet  of  connective  tissue,  the  tensor  is  a  muscle  at  the  proximal  part  of  the   thigh  (near  AIIS)  that  pulls  the  fascia  latae   to  keep  it  tight   • The  distal  part  of  the  fascia  forms  the   Iliotibial  Band  (IT  Band)   • Since  it  constantly  pulls  on  t
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