Origin and Insertion

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Author:
hannahshort
ID:
209391
Filename:
Origin and Insertion
Updated:
2013-03-26 23:20:17
Tags:
pelvic abdominal
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Description:
lab 3
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  1. primary antagonistic muscles of pelvic limb
    quadriceps (flex hip, extend stifle)

    hamstrings (extend hip, flex stifle)
  2. hamstring muscles (3 located on back of thigh region)
    • biceps femoris
    • semimembranosus
    • semitendinosus

    (extend hip, main flexors of stifle)
  3. 4 quadriceps
    • rectus femoris
    • vastus lateralis
    • vastus medialis
    • vastus intermedius

    (cranial thigh, deep)
  4. action of quadriceps
    flex hip, extend stifle
  5. hip muscles
    superficial, middle, deep gluteal muscles
  6. tensor fasciae latae
    • origin: cranial wing of ilium
    • insertion: lateral femoral fascia
    • action: flex hip, extend stifle
  7. superficial gluteal muscle (gluteus maximus)
    • origin: sacrum and coccygeal vertebrae
    • insertion: greater trochanter of femur
    • action: abducts limb, extends hip
  8. middle gluteal
    • origin: lateral ilium
    • insertion: greater trochanter of femur
    • action: abducts limb, extend hip
  9. deep gluteal
    • origin: body of ilium and ischiatic spine
    • insertion: cranial aspect of greater trochanter of femur
    • action: abducts limb, extends hip
  10. all gluteal muscles have the same
    • insertion&action (greater trochanter of femur, abducts limb&extends hip)
    • different origins
  11. biceps femoris
    • origin: ischiatic tuberosity of pelvis
    • insertion: patella, proximal tibia, tuber calcanei
    • action: extend hip, flex stifle, extend tarsus
  12. semitendinosus
    • origin: ischiatic tuberosity of pelvis
    • insertion: tibia and tuber calcanei
    • action: extend hip, flex stifle, extend tarsus
  13. semimembranosus
    • origin: ischiatic tuberosity of pelvis
    • insertion: femur and tibia
    • action: extend hip, flex stifle
  14. medial thigh muscles
    • sartorius
    • gracilis
    • pectineus
    • adductor
  15. sartorius muscle
    • origin: crest of ilium
    • insertion: patella, cranial part of tibia
    • action: flex hip, cranial belly extends stifle, caudual belly flexes stifle
  16. gracilis muscle
    • origin: pelvic symphysis
    • insertion: tibia, tubercalcanei
    • action: adducts limb, flex stifle, extends hip and hock
  17. pectineus muscle
    • origin: prepubic tendon
    • insertion: caudal aspect of distal femur
    • action: adduct limb
  18. adductor muscle
    • origin: pelvic symphysis
    • insertion: caudal aspect of femur
    • action: adduct limb, extend hip
  19. 2 parts of adductor muscle
    large pyramid shaped muscle consists of two muscles:

    • adductor magnus- larger
    • adductor longus- smaller
  20. most cranial head of quadriceps femoris muscles
    rectus femoris
  21. rectus femoris
    • origin: ilium
    • insertion: tibial tuberosity
    • action: extend stifle, flex hip
  22. vastus lateralis, medialis, intermedius
    • origin: proximal femur
    • insertion: tibial tuberosity
    • action: extend stifle, flex hip
  23. cranio-lateral muscles of distal leg
    • cranial tibial
    • long digital extensor
    • peroneus longus
  24. cranial tibial muscle
    • origin: lateral aspect of cranial tibial border
    • insertion: proximal metatarsus
    • action: flex tarsus
  25. long digital extensor
    • origin: extensor fossa of femur
    • insertion: extensor processes of distal phalanges
    • action: extend digits, flex tarsus, extend stifle
  26. peroneus longus
    • origin: proximal tibia and fibula
    • insertion: 4th tarsal bone, plantar aspect metatarsus¬†
    • action: flex tarsus
  27. caudal muscles of distal leg
    • gastrocnemius
    • superficial digital flexor
    • deep digital flexor
    • popliteus¬†
  28. gastrocnemius
    • origin: medial and lateral supracondylar tuberosities of femur
    • insertion: proximal surface of tuber calcanei
    • action: extends tarsus, flex stifle

    *major flexor of stifle
  29. deep digital flexor
    • origin: caudal aspect of proximal tibia and fibula
    • insertion: plantar surface of distal phalanges
    • action: extend tarsus, flex digital joints
  30. popliteus muscle
    • origin: lateral condyle of femur
    • insertion: caudal aspect of proximal tibia
    • action: flex stifle, rotates leg medially
  31. external abdominal oblique
    • origin: thoracolumbar fascia of last rib
    • insertion: linea alba
    • action: flex vertebral column, abdominal press
  32. internal abdominal oblique
    • origin: thoracolumbar fascia
    • insertion: linea alba
    • action: flex vertebral column, abdominal press
  33. transversus abdominis
    • origin: last 4-5 ribs/ transverse process of lumbar vertebrae
    • insertion: linea alba
    • action: flex vertebral column, abdominal press
  34. rectus abdominis
    • origin: sternum
    • insertion: pubis
    • action: flex vertebral column, abdominal press
  35. most powerful extensor of stifle
    Quadriceps

    • rectus femoris
    • vastus lateralis
    • vastus medialis
    • vastus intermedius
  36. flexors of the hip
    • tensor fascia latae
    • sartorius
    • quadriceps (4)
  37. extensors of the hip
    • superficial gluteal
    • middle gluteal
    • deep gluteal
    • biceps femoris
    • semitendinosus
    • semimembranosus
    • gracilis
    • adductor
  38. flexors of the stifle
    • biceps femoris
    • semitendinosus
    • gracilis
    • gastrocnemius
    • superficial digital flexor
    • popliteus
  39. extensors of the stifle
    • tensor fascia latae
    • sartorius
    • quadriceps (4)
    • long digital extensor¬†
  40. flexors of tarsus
    • cranial tibial
    • long digital extensor
    • peroneus longus
  41. extensors of tarsus
    • gastrocnemius
    • superficial digital flexor
    • deep digital flexor

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