Thigh and hip muscles

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  • InnervationFemoral nerve (L2, L3, L4)
  • Innervation Muscular branches of femoral nerve (L2, L3, L4)
  • Innervation Muscular branches of femoral nerve (L2, L3, L4)
  • Innervation Muscular branches of femoral nerve (L2, L3, L4)
  • InnervationMuscular branches of femoral nerve (L2, L3, L4)
  • Innervation Direct fibers of L1 - L3 of lumbar plexus (L1, L2, L3)
  • Innervation Muscular branch of femoral nerve (L1, L2, L3)
  • Innervation Anterior division of obturator nerve (L2, L3)
  • Innervation Anterior division of obturator nerve (L2, L3, L4)
  • InnervationPosterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve (L2, L3, L4)
  • InnervationSuperior gluteal nerve (L4, L5, S1) (L4, L5, S1)
  • Inferior gluteal nerve (L5, S1, S2) (L5, S1, S2)
  • Superior gluteal nerve (L4, L5, S1) (L4, L5, S1)
  • Superior gluteal nerve (L4, L5, S1) (L4, L5, S1)
  • InnervationNerve to the obturator internus and inferior gemellus -- a branch of the sacral plexus (L5, S1) (L5, S1)
  • Innervation Nerve to the obturator internus and superior gemellus -- a branch of the sacral plexus (L5, S1) (L5, S1)
  • InnervationPosterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve (L3, L4)
  • InnervationPiriformis nerve (L5, S1, S2) (L5, S1, S2)
  • Innervation Quadratus femoris branch of nerve to the quadratus femoris and inferior gemellus (L5, S1) (L5, S1)
  • Innervation Tibial nerve (L5, S1, S2)
  • InnervationTibial nerve (L5, S1, S2)
  • Innervation Tibial nerve (L5, S1, S2)
  • Thigh and hip muscles

    1. 1. Thigh and Pelvic Muscles "Obstacles are those frightful things you see when you take your eyes off your goal." - Henry Ford (1863-1947)
    2. 2. Ok Here’s a Joke… Q. Why are fish easy to weigh?
    3. 3. A. They have their own scales.
    4. 4. Q. What did the fish say when it ran into the concrete wall?
    5. 5. Dam!
    6. 6. Goals and Objectives  To identify vast majority of leg and pelvic muscles to class  For students to be able to identify muscles or know where they are at end of lesson  For students to be able to understand function of muscles in this powerpoint  To be able to link body movements with certain muscles for strength training, injury recognition and for just better understanding of human movement and function
    7. 7. Muscles of Anterior thigh. Sartorius Rectus Femoris Vastus Lateralis Vastus Intermedius Vastus Medialis Oblique (VMO) Psoas Major/Minor Iliacus
    8. 8. Anterior and medial thigh.
    9. 9. Sartorius QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture.
    10. 10. Sartorius Origin Anterior superior iliac spine Insertion Superior aspect of the medial surface of the tibial shaft near the tibial tuberosity Action Flexes and laterally rotates the hip joint and flexes the knee
    11. 11. Rectus Femoris QuickTime™ and aTIFF (Uncompressed) decompare needed to see this picture
    12. 12. Rectus Femoris Origin Straight head from anterior inferior iliac spine; reflected head from groove just above acetabulum Insertion Base of patella to form the more central portion of the quadriceps femoris tendon Action Hip Flexion and maybe some Knee extension.
    13. 13. Vastus Lateralis QuickTime™ and aTIFF (Uncompressed) decompresare needed to see this picture. Note all Three Quad muscles Here.
    14. 14. Vastus Lateralis  Origin Superior portion of intertrochanteric line, anterior and inferior borders of greater trochanter, superior portion of lateral lip of linea aspera, and lateral portion of gluteal tuberosity of femur  Insertion Lateral base and border of patella; also forms the lateral patellar retinaculum and lateral side of quadriceps femoris tendon  Action Extends the knee
    15. 15. Vastus Intermedius QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture.
    16. 16. Vastus Intermedius Origin Superior 2/3 of anterior and lateral surfaces of femur; also from lateral intermuscular septum of thigh Insertion Lateral border of patella; also forms the deep portion of the quadriceps tendon Action Extends the knee
    17. 17. Vastus Medialis (VMO) QuickTime™ and aTIFF (Uncompressed) decomare needed to see this pictu Note Oblique shape
    18. 18. Vastus Medialis (VMO) Origin Inferior portion of intertrochanteric line, spiral line, medial lip of linea aspera, superior part of medial supracondylar ridge of femur, and medial intermuscular septum Insertion Medial base and border of patella; also forms the medial patellar retinaculum and medial side of quadriceps femoris tendon Action Extends the knee
    19. 19. Psoas Major/Minor Psoas
    20. 20. Psoas Major/Minor Origin Anterior surfaces and lower borders of transverse processes of L1 - L5 and bodies and discs of T12 - L5 Insertion Lesser trochanter Action Flex the torso and thigh with respect to each other
    21. 21. Iliacus Origin Upper 2/3 of iliac fossa of ilium, internal lip of iliac crest, lateral aspect of sacrum, ventral sacroiliac ligament, and lower portion of iliolumbar ligament Insertion Lesser trochanter Action Flex the torso and thigh with respect to each other
    22. 22. Iliacus QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Iliacus
    23. 23. Take Two……..  Why don't skeletons like parties?  They have no body to dance with.  Why didn't the skeleton cross the road?  He didn't have the guts.
    24. 24. Anterior-Medial, to more Medial  Gracilis  Adductor Brevis  Adductor Magnus  Adductor Longus  Pectineus Anterior Hip (Flexors / rotators) – Psoas Major / Minor – Iliopsoas – Iliacus QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    25. 25. Deep medial / Medial muscles Gracilis Adductor Brevis Adductor Magnus Adductor Longus Pectineus
    26. 26. Gracilis QuickTime™ and aTIFF (Uncompressed) decompresare needed to see this picture. Pectineus---> Gracilis---->
    27. 27. Gracilis Origin Inferior margin of pubic symphysis, inferior ramus of pubis, and adjacent ramus of ischium Insertion Medial surface of tibial shaft, just posterior to sartorius Action Flexes the knee, adducts the thigh, and helps to medially rotate the tibia on the femur
    28. 28. Adductor Brevis and Longus QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture. QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture. <---Brevis Longus--->
    29. 29. Adductor Brevis and Longus  Origin Anterior surface of body of pubis, just lateral to pubic symphysis  Insertion Middle third of linea aspera, between the more medial adductor magnus and brevis insertions and the more lateral origin of the vastus medialis  Action Adducts and flexes the thigh, and helps to laterally rotate the hip joint ***what other muscle is similar???? Hint: “LONG”
    30. 30. Adductor Magnus QuickTime™ and aTIFF (Uncompressed) decompreare needed to see this picture.
    31. 31. Adductor Magnus  Origin Inferior pubic ramus, ischial ramus, and inferolateral area of ischial tuberosity  Insertion Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge, and adductor tubercle  Action Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical fibers help extend the thigh
    32. 32. QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture. QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture. QuickTime™ and aTIFF (Uncompressed) decare needed to see this pic magnus Brevis Longus A D D U C T O R S
    33. 33. Pectineus
    34. 34. Origin-Pecten pubis and pectineal surface of the pubis Insertion-Pectineal line of femur Action-Adducts the thigh and flexes the hip joint ADD of hip and Flex of hip Pectineus
    35. 35. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Quick review
    36. 36. Quick Break….. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Hum??
    37. 37. Lateral Muscles IT-band (Iliotibial) Tensor Fasciae Latae
    38. 38. IT-band (Iliotibial)  iliotibial band is a longitudinal fibrous reinforcement of the Fascia lata.  It is attached to the midpoint of the external lip of the Iliac crest and to the lateral condyle of the tibia. The part of the iliotibial band which lies beneath the Tensor fasciæ latæ is prolonged upward to join the lateral part of the capsule of the hip-joint.
    39. 39. IT-band (Iliotibial) QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. White Band
    40. 40. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    41. 41. Tensor Fascia Lata QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    42. 42. Tensor Fascia Lata Origin Anterior superior iliac spine, outer lip of anterior iliac crest and fascia lata Insertion Iliotibial band Action Helps stabilize and steady the hip and knee joints by putting tension on the iliotibial band of fascia
    43. 43. Posterior Muscles  Gluteus maximus  Gluteus medius  Gluteus minimus  Deeper “Butt” muscles; Piriformis Gamelius Superior and Inferior Obturator Internus and Exturnus Quadratus Femoris
    44. 44. Take two………. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    45. 45. Power House “The Glutes” Gluteus Maximus Gluteus Medius Gluteus Minimus
    46. 46. Gluteus Maximus
    47. 47.  Origin-Posterior aspect of dorsal ilium posterior to posterior gluteal line, posterior superior iliac crest, posterior inferior aspect of sacrum and coccyx, and sacrotuberous ligament  Insertion-Primarily in fascia lata at the iliotibial band; also into the gluteal tuberosity on posterior femoral surface  Action-Major extensor of hip joint, assists in laterally rotating the thigh; upper and middle third section of the muscle are abductors *Hip Extensor and ER of Hip Gluteus Max
    48. 48. Gluteus Medius
    49. 49. Origin-Dorsal ilium inferior to iliac crest Insertion-Lateral and superior surfaces of greater trochanter Action-Major abductor of thigh; anterior fibers help to rotate hip medially; posterior fibers help to rotate hip laterally *ABD of hip and IR of hip Gluteus Med
    50. 50. Gluteus Minimus
    51. 51. Origin-Dorsal ilium between inferior and anterior gluteal lines; also from edge of greater sciatic notch Insertion-Anterior surface of greater trochanter Action-Abducts and medially rotates the hip joint *ABD of hip and IR of hip Gluteus Mini
    52. 52. Deep “Butt” Muscles
    53. 53. Inferior Gemellus QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    54. 54. Inferior Gemellus Origin Posterior portions of ischial tuberosity and lateral obturator ring Insertion Medial surface of greater trochanter of femur, in common with obturator internus Action Rotates the thigh laterally; also helps abduct the flexed thigh
    55. 55. Obturator Internus / Externus QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. Externus
    56. 56. Obturator internus Origin Internal surface of obturator membrane and posterior bony margins of obturator foramen Insertion Medial surface of greater trochanter of femur, in common with superior and inferior gemelli Action Rotates the thigh laterally; also helps abductabduct the thigh when it is flexed
    57. 57. Obturator Externus Origin External surface of obturator membrane and anterior bony margins of obturator foramen Insertion Posteromedial surface of greater trochanter of femur Action Rotates the thigh laterally; also helps adductadduct thigh
    58. 58. Piriformis QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    59. 59. Piriformis Origin Anterior surface of lateral process of sacrum and gluteal surface of ilium at the margin of the greater sciatic notch Insertion Superior border of greater trochanter Action Lateral rotator of the hip joint; also helps abduct the hip if it is flexed
    60. 60. Quadratus Femoris QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. <--Here
    61. 61. Quadratus Femoris Origin Lateral margin of obturator ring above ischial tuberosity Insertion Quadrate tubercle and adjacent bone of intertrochanteric crest of proximal posterior femur Action Rotates the hip laterally; also helps adduct the hip
    62. 62. Getting cold… QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    63. 63. “Hammies” QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture.
    64. 64. Hamstrings Semitendinosus Semimembranosus Biceps Femoris
    65. 65. Biceps Femoris
    66. 66. Biceps Femoris QuickTime™ andTIFF (Uncompressed)are needed to see this QuickTime™ and aTIFF (Uncompressed) decompressorare needed to see this picture. Long Head Short Head
    67. 67. Bicept femoris Origin posterior portion of the ischial tuberosity Insertion Primarily on fibular head; also on lateral collateral ligament and lateral tibial condyle Action Flexes the knee, and also rotates the tibia laterally; long head also extends the hip joint
    68. 68. Semitendinosus
    69. 69. Semitendinosus Origin From common tendon with long head of biceps femoris from superior medial quadrant of the posterior portion of the ischial tuberosity Insertion Superior aspect of medial portion of tibial shaft Action Extends the thigh and flexes the knee, and also rotates the tibia medially, especially when the knee is flexed
    70. 70. Semimembranosus
    71. 71. Semimembranosus Origin Superior lateral quadrant of the ischial tuberosity Insertion Posterior surface of the medial tibial condyle Action Extends the thigh, flexes the knee, and also rotates the tibia medially, especially when the knee is flexed
    72. 72. We… Are… Doneee…. Back to Work!!

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