Muscles

Card Set Information

Author:
leti5637
ID:
141443
Filename:
Muscles
Updated:
2012-03-14 12:33:51
Tags:
INSERTIONS ORIGION ACTION
Folders:

Description:
UNIT 2
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user leti5637 on FreezingBlue Flashcards. What would you like to do?


  1. Masseter
    Origin- Zygomtatic arch

    Insertion- Angle and Ramus of mandible

    Action- Elevate mandible and Close Jaw
  2. Sternocleidomastoid
    Clavicular head
    Origin-Sternal end of clavicle

    Insertion- Mastoid process of temporal bone.

    Both sides together- Flex neck

    One side: Opposite rotation of head& lateral flexion of neck.
  3. Sternocleidomastoid
    Sternal head
    Manubrium & Sternum

    Both sides together- Flex neck

    One side: Opposite rotation of head& lateral flexion of neck.
  4. Vertebral Column
    Erector Spimae Group
    Action- Both sides acting together- Extend vertebral column.

    One side: Laterally flexes vertebral column.
  5. Trapezius (3 parts)

    (positions the pectoral girdle)
    Origin- Occipital bone,

    Insertion- Clavicle (lateral end) Scapula (acromion & spinae)

    • Action-
    • Upper- Extends neck: elevates scapulae
    • Middle-Retracts or adducts scapulae
    • Lower-Depresses scapulae
  6. Deltoid
    (3 divisions Anterior, middle, posterior)
    • O- Clavicle (lateral end) Scapula (acromion & spinae)
    • Insertion- Deltoid tuberosity of humerus.

    • Action-
    • Anterior- flexes humerus; medially rotates humerus.
    • Middle- Abducts humerus
    • Posterior- Extends and hyperextends humerus, laterally rotates humerus.
  7. Rotator cuff Muscle group
    (4 Muscles)
    • Supraspinstus
    • Infraspinatus
    • TEres Minor
    • Subscapularis
  8. Supraspinatus
    • Origin- Supraspinos Fossa of scapula
    • Insertion- greated tubercle of humerus
    • Action- Stabilize shoulder joint, Abducts arm
  9. Infraspinatus
    • Origin-Infraspinous fossa of scapula
    • Insertion- Greater tubercle of humerus
    • Action-Stabilize shoulder joint, Laterally rotate humerus
  10. Teres Minor
    Origin-Lateral border of scapula

    Insertion- Greater tubercle of humerus

    Action- Stabilize shoulder joint, Lateraly rotate humerus.
  11. Subscapularis
    Origin- Subscapular fossa

    Insertion- Lesser tubercle of humerus

    Action-Stabilize shoulder joint; Medially rotate humerus
  12. Teres Major
    Origin-Inferior angle of scapula

    Insertion- Intertubercular sulcus of humerus

    Action- Extends and medially rotate humerus
  13. Latissmus dorsi
    Origin- Spinous process of lower thoracic & lumbar vertebrae; flase ribs; thoracolumbar fascia

    Inertion-Intertubercular sulcuss of humerus

    Action- Extends, adducts, medially rotates humerus.
  14. Biceps Brachii
    Long Head
    Origin- Superior border of glenoid fossa

    Insertion- Radial tuberosity

    Action- Flexion of shoulder & elbow, Supination of forearm.
  15. Biceps Brachii
    Short head
    Origin- Coracoid process

    Insertion- Radial tuberosity

    Action- flexion of shoylder & elbow, upination of forearm.
  16. Triceps Brachii
    Long Head
    Lateral Head
    Meadial Head
    • All
    • Insertion- Olecranon process of ulna

    Action- Elbow extension

    • ONLY LONG HEAD
    • A- (also adduction of humerus)
  17. Piriformis
    Origin- Sacrum

    Insertion- Greater trochanter of femur

    Action- Lateral rotation of thigh, hip extension
  18. Tensor fascia Latae
    Origin- Anerior, superior iliac spine & Iliac crest

    Insertion- Illiotibial tract

    Action- Laterally supports knee by tensing illiotibial tract (Plus abduction of hip)
  19. Gracillis
    Origin- Inferior pubic Ramus

    Insertion- Medial surface of tibia inferior to medial condyle. (Proximal medial tibia)

    Action- Adducts thigh at hip, flexes leg at knee.
  20. Psoas Major
    Action- flex thigh at hip, flex vertebral column (as in old style sit-up)
  21. vastus lateralis
    Origin- Greater trochanter & linea aspera of femur

    Insertion- Tibial tuberosity via quadriceps tendon, patella & patellar ligament. ALL

    Action- Extends leg at knee.
  22. Rectur Femoris
    Origin- Anterior, Inferior iliac spine (AIIS)

    Insertion-Tibial tuberosity via quadriceps tendon, patella & patellar ligament. ALL

    Action- Extends leg at knee (also flexes hip (brings femur closer to torrso)
  23. vastus Medialis
    Origin-Linea Aspera of femur

    Insertion- Tibial tuberosity via quadriceps tendon, patella & patellar ligament. ALL

    Action- Extends leg at knee
  24. Vastus Intermedius
    Origin- Anterolateral surface of femur

    Insertion- Tibial tuberosity via quadriceps tendon, patella & patellar ligament. ALL

    Action- Extends leg at knee
  25. Biceps Femoris
    Long Head
    Origin- Ischial tuberosity

    Insertion- Head of fibula, LAteral condyle of tibia

    Action- Knee flexion & hip extension
  26. Biceps Femoris
    Short Head
    Origin- Linea aspera

    Insertion- Head of fibula, lateral condyle of tibia

    Action- Knee Flexion (does not cross hip so cannot act as tht joint)
  27. Semimembranosus
    Origin- Ischial tuberosity

    Insertion- Medial condyle of tibia (posterior surface)

    Action- Knee Flexion & hip extension
  28. Semitendenosus
    Origin-Ischial tuberosity

    Insertion- Proximal, medial surface of tibia

    Action- Knee flexion * Hip extension
  29. Sartorius
    Origin- Anterior superios iliac spine (ASIS)

    Insertion- Near tibial tuberosity

    Action- Flex, abduct and laterally rotate thigh @ hip joint & knee flexion.
  30. Gastrocnemius
    Origin- Just above femoral condyles

    Insertion- Calcaneus (via calcaneus tendon)

    Action- Plantar flexiom & knee flexion
  31. adduction
    retraction of scapulae
  32. Abduction
    Protraction of scapulae
  33. External rotation
    Lateral rotation
  34. Internal rotation
    Medial rotation
  35. Ligamentum Nuchae
    A large elsatic ligametn that connects spinous processes of cervial vertebrae and insert on occipital bone.
  36. Muscles that position the pectoral girdle
    trapezius
  37. Muscles that move the brachium
    • Deltoid
    • Supraspnatus
    • Infraspinatus
    • Teres Minor
    • Subscapularis
    • Teres Major
    • Latissimus dorsi
  38. Muscles that move the antebrachium
    • Biceps brachii- long head/ short head
    • Triceps Brchii- Long/ lateral/ meadial
  39. Muscles that moce the femur
    • Piriformis
    • Tensor Fascia latae
    • Gracillis
    • Psoas major
  40. Muscles that move the leg
    • Vastus lateralis
    • Vastus medialis
    • REctus femoris
    • Vastus intermedius

What would you like to do?

Home > Flashcards > Print Preview