Musculature

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Author:
beejin
ID:
105023
Filename:
Musculature
Updated:
2011-10-15 15:35:16
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Musculature NASM
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Description:
Musculature
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  1. Anterior Tibialis
    -Origin
    -Insertion
    -Isolated function
    -Integrated function
    • -Lateral condyle and proximal two thirds of lateral surface of tibia
    • -Medial and plantar aspects of the medial cuneiform and the base of the first metatarsal
    • -Concentrically accelerates dorsiflexion and inversion
    • -Eccentrically decelerated plantarflexion and eversion- Isometrically stabilizes arch of foot
  2. Posterior Tibialis
    -Origin
    -Insertion
    -Isolated function
    -Integrated function
    • -Proximal two thirds or posterior surface of tibia and fibular
    • -Every tarsal bone (naviular, cuneiform, cuboid) but the talus plus the bases of the second though the fourth metatarsal bones. Main insertion on navicular tuberosity and medial cuneiform.
    • -Concentrically accelerates plantarflexion and inversion of foot
    • -Eccentrically decelerates dorsiflexion and eversion of foot. Isometrically stabilizes arch of foot
  3. Soleus
    -Origin-Insertion-Isolated function-Integrated function


    • -Posterior surface of fibular head and proximal one third of its shaft and from posterior side of tibia
    • -Calcaneus via Achilles tendon
    • -Concentrically accelerates plantarflexion
    • --Decelerates ankle dorsiflexion and Isometrically stabilizes foot and ankle
  4. Gastrocnemius
    -Origin-Insertion-Isolated function-Integrated function
    • -Posterior aspect of the lateral and medial femoral condyles
    • -Calcaneus via the Achilles tendon
    • -Concentrically accelerates plantarflexion
    • -Decelerates ankle dorsiflexion and Isometrically stabilizes the foot and ankle
  5. Peroneus Longus
    -Origin-Insertion-Isolated function-Integrated function
    • -Lateral condyle of tibia, head, and proximal two thirds of lateral surface of fibula
    • -Lateral surface of the medial cuneiform and lateral side of the base of the first metatarsal
    • -Concentrically plantarflexes and everts foot
    • -Decelerates ankle dorsiflexion and Isometrically stabilizes foot and ankle
  6. Biceps Femoris- Long Head
    -Origin-Insertion-Isolated function-Integrated function

    • -Ischial tuberosity of the pelvis, part of the sacrotuberous ligament
    • -Head of fibula

    -Concentrically accelerates knee flexion and hip extension and Tibial external rotation

    • -Eccentrically decelerates knee extension
    • -Eccentrically decelerates hip flexion
    • -Eccentrically decelerates tibial internal rotation at mid-stance of the gait cycle
    • -Isometrically stabilizes the lumbo-pelvic-hip complex and knee
  7. Biceps Femoris- Short Head
    -Origin-Insertion-Isolated function-Integrated function
    • -Lower one third of the posterior aspect of the femur
    • -Head of fibular
    • -Concentrically accelerates knee flexion and tibial external rotation

    • -Eccentrically decelerates knee extension
    • -Eccentrically decelerates tibial internal rotation
    • -Isometrically stabilizes knee
  8. Semimembranosus
    -Origin-Insertion-Isolated function-Integrated function
    • -Ischial tuberosity of the pelvis
    • -Posterior aspect of the medial tibial condyle of the tibia
    • -Concentrically accelerates knee flexion, hip extension, and tibial internal rotation

    • -Eccentrically decelerates knee extension
    • -Eccentrically decelerates hip flexion
    • -Eccentrically decelerates tibial external rotation
    • -Isometrically stabilizes the lumbo-pelvic-hip complex and knee
  9. Semitendinosus
    -Origin-Insertion-Isolated function-Integrated function
    • -Ischial tuberosity of the pelvis and part of the sacrotuberous ligament
    • -Proximal aspect of the medial tibial condyle of tibia (pesanserine)
    • -Concentrically accelerates knee flexion, hip extension, and tibial internal rotation

    • -Eccentrically decelerates knee extension
    • -Eccentrically decelerates hip flexion
    • -Eccentrically decelerates tibial external rotation
    • -Isometrically stabilizes lumbo-pelvic-hip complex and knee
  10. Vastus Lateralis
    -Origin-Insertion-Isolated function-Integrated function

    • Anterior and inferior border of the greater tronchanter, lateral region of the gluteal tuberosity, lateral lip of the aspera of the femur
    • -Base of patella and tibial tuberosity of the tibia
    • -Concentrically accelerates knee extension

    • -Eccentrically decelerates knee flexion, adduction, and internal rotation
    • -Isometrically stabilizes the knee
  11. Vastus Medialis
    -Origin-Insertion-Isolated function-Integrated function
    • Lower region of the intertrochanteric line, medial lip of linea aspera, proximal medial supracondylar line of the femur
    • -Base of patella, tibial tuberosity of tibia
    • -Concentrically accelerates knee extension

    • -Eccentrically decelerates knee flexion, adduction, and internal rotation
    • -Isometrically stabilizes knee
  12. Vastus Intermedius
    -Origin-Insertion-Isolated function-Integrated function
    • -Anterior-lateral regions of the upper two thirds of the femur
    • -Base of patella, tibial tuberosity of tibia
    • -Concentrically excellerates knee extension

    • -Eccentrically decelerates knee flexion, adduction, and internal rotation
    • -Isometrically stabilizes the knee
  13. Rectus Femoris
    -Origin-Insertion-Isolated function-Integrated function


    • -Anterior-inferior iliac spine of pelvis
    • -Base of patella, tibial tuberosity
    • -Concentrically accelerates knee extension and hip flexion

    • -Eccentrically decelerates knee flexion, adduction, and internal rotation
    • -Decelerates hip extension
    • -Isometrically stabilizes lumbo-pelvic hip complex and knee
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