OIA

The flashcards below were created by user omlormark on FreezingBlue Flashcards.

  1. Origin- Pectoralis Major
    clavicle, sternum and costal cartilages of upper ribs
  2. Insertion- Pectoralis Major
    intertubicular groove of humerus
  3. Action- Pectoralis Major
    pulls arm anteriorly and across chest, rotates humerus or adducts arm
  4. Origin- Deltoid
    acromion process, spine of scapula and clavicle
  5. Insertion- Deltoid
    deltoid tuberosity of humerus
  6. Action- Deltoid
    abducts the arm, extends or flexes
  7. Origin- Biceps Brachii
    coracoid process and tubercle above glenoid cavity of scapula
  8. Insertion- Biceps Brachii
    radial tuberosity of radius
  9. Action- Biceps Brachii
    flexes forearm at elbow and rotates arm laterally
  10. Origin- Rectus Abdominus
    crest of symphasis pubis and pubis
  11. Insertion- Rectus Abdominus
    xiphoid process of sternum and costal cartilages of ribs
  12. Action- Rectus Abdominus
    tenses abdominal wall and compresses abdominal contents; also flexes
  13. Origin- Sartorius
    anterior illiac spine
  14. Insertion- Sartorius
    medial surface of tibia
  15. Action- Sartorius
    flexes leg and thigh, abducts thigh, rotates thigh laterally and medially
  16. Origin- Tibialis Anterior
    lateral condyle and lateral surface of tibia
  17. Insertion- Tibialis Anterior
    tarsal bone and 1st metatarsal
  18. Action- Tibialis Anterior
    dorsiflexion and inversion of foot
  19. Origin- Frontalis
    galea aponuerotica
  20. Insertion- Frontalis
    skin of eyebrows and root of nose
  21. Action- Frontalis
    raises eyebrows, wrinkles forehead
  22. Origin- Masseter
    lower border of zygomatic arch
  23. Insertion- Masseter
    lateral surfaces of the mandible
  24. Action- Masseter
    closes jaw
  25. Origin- Sternoceidomastoid
    anterior surface of sternum and upper surface of clavicle
  26. Insertion- Sternoceidomastoid
    mastoid process of temporal bone
  27. Action- Sternoceidomastoid
    pulls head to one side, pulls head toward chest or raises sternum
  28. Origin- External Oblique
    outer surface of lower ribs
  29. Insertion- External Oblique
    outer lip of illiac crest, linea alba
  30. Action- External Oblique
    tenses abdominal wall and compresses contents
  31. Origin- Rectus Femoris
    spine of illium and margin of acetabulum
  32. Insertion- Rectus Femoris
    patella by tendon, continues as patellar ligament to tibial tuberosity of tibia
  33. Action- Rectus Femoris
    extends leg at knee
  34. Origin- Gluteus Maximus
    sacrum, coccyx and posterior surface of illium
  35. Insertion- Gluteus Maximus
    posterior surface of femur and fascia of thigh
  36. Action- Gluteus Maximus
    extends thigh
  37. Origin- Biceps Femoris
    ishial tuberosity and posterior surface of femur
  38. Insertion- Biceps Femoris
    head of fibula and lateral condyle of tibia
  39. Action- Biceps Femoris
    flexes leg, extends thigh
  40. Origin- Semitendinosus
    ishial tuberosity
  41. Insertion- Semitendinosus
    medial surface of tibia
  42. Action- Semitendinosus
    flexes leg, extends thigh
  43. Origin- Gastrochemius
    lateral and medial condyles of femur
  44. Insertion- Gastrochemius
    posterior surface of calcaneus
  45. Action- Gastrochemius
    plantar flexion of foot and fexion of leg at knee
  46. Origin- Trapezius
    occipital bone and spines of cervical and thoracic vertebrae
  47. Insertion- Trapezius
    clavicle; spine and acromion process of scapula
  48. Action- Trapezius
    rotate scapula and raises arm; raises scapula; pulls scapula medially/downward
  49. Origin- Triceps Brachii
    tuberce below glenoid cavity an scapula, lateral and medial surfaces of humerus
  50. Insertion- Triceps Brachii
    olecranon process of ulna
  51. Action- Triceps Brachii
    extends forearm at elbow
  52. Origin- Latissimus Dorsi
    spines of sacral, lumbar and thoracic vertebrae, illiac crest and lower ribs
  53. Insertion- Latissimus Dorsi
    intertubiclar groove of humerus
  54. Action- Latissimus Dorsi
    extends and adducts arm and rotates humerus inwardly, or pull shoulder downward
Author
ID
49811
Card Set
OIA
Description
origin, insertion, and action of selected muscles
Updated
Show Answers