MUSCLES: TRUNK ANTERIOR

  1. INTERNAL INTERCOSTAL
    • O: superior border of rib below
    • I: inferior border of rib above
    • A: depress ribcage
  2. EXTERNAL INTERCOSTAL
    • O: inferior border of rib above
    • I: superior border of rib below
    • A: elevate rib cage
  3. DELTOID
    • O: clavicle
    • I: deltoid tuberosity of humerus
    • A: PRIME MOVER of arm ABduction
  4. SERRATUS ANTERIOR
    • O: ribs
    • I: scapula
    • A: rotates scapula to move it laterally and upward
  5. PECTORALIS MINOR
    • O: ribs
    • I: coracoid process of scapula
    • A: draws scapula forward and down
  6. PECTORALIS MAJOR
    • O: sternal end of clavicle and sternum
    • I: humerus
    • A: prime mover of arm flexion
  7. TRANSVERSUS ABDOMINUS
    • O: lumbar fascia, inguinal ligament
    • I: linea alba
    • A: compress abdominal contents
  8. INTERNAL OBLIQUE
    • O: lumbar fascia, iliac crest
    • I: linea alba
    • A: same as external oblique
  9. EXTERNAL OBLIQUE
    • O: ribs
    • I: lina alba
    • A: flex vertebral column and compress abdominal wall
  10. RECTUS ABDOMINUS
    • O: pubic crest and symphysis
    • I: xiphoid process
    • A: flex and rotate vertebral column
  11. DIAPHRAGM
    • O: internal surface of rib cage
    • I: central tendon
    • A: PRIME mover of inspiration
Author
Anonymous
ID
114906
Card Set
MUSCLES: TRUNK ANTERIOR
Description
ORIGIN, INSERTION AND ACTION FOR SELECT MUSCLES OF THE TRUNK
Updated