Trunk

Cards (61)

  • external intercostal origin
    lower margin of upper rib
  • external intercostal insertion
    upper margin of lower rib
  • external intercostal action
    raise ribs during inspiration
  • internal intercostal origin
    upper margin of lower rib
  • internal intercostal insertion
    lower margin of upper rib
  • internal intercostal action
    lower ribs during expiration
  • rectus abdominus origin
    pubis
  • rectus abdominus insertion
    costal cartilage of ribs 5-7
    xiphoid process
  • rectus abdominus action
    flex trunk
    compress abdomen
  • external oblique origin
    ribs
  • external oblique insertion
    iliac crest
    linea alba
  • internal oblique insertion
    ribs
  • transversus abdominus
    rotate trunk to same side
  • quadratus lumborum insertion
    transverse process L1-L4
    12th rib
  • quadratus lumborum action
    extend trunk
    bend trunk to same side
  • diaphragm origin
    ribs 7-12
    xiphoid process
    body of vertebrae L1-L3
  • diaphragm insertion
    central tendon of diaphragm
  • diaphragm action
    principle muscle of respiration
  • deltoid origin
    clavicle
    acromion
    spine of scapula
  • deltoid insertion
    deltoid tuberosity
  • pectoralis major origin
    clavicle
    sternum
    ribs
  • pectoralis major insertion
    greater tubercle
  • coracobrachialis origin
    coracoid process
  • coracobrachialis insertion
    humerus
  • pectoralis minor origin
    ribs 3-5
  • pectoralis minor insertion
    coracoid process
  • pectoralis minor action
    protract and depress scapula
  • serratus anterior origin
    ribs 1-9
  • serratus anterior insertion
    anterior surface of medial border of scapula
  • serratus anterior action
    protract scapula
    lowers a raised arm
  • trapezius origin
    occipital bone
    spinous process C1-T12
  • trapezius insertion
    clavicle
    acromion
    spine of scapula
  • trapezius action
    elevate, retract, depress scapula
  • levator scapulae
    elevate scapula
  • rhomboid minor origin
    spinous process C6-C7
  • latissimus dorsi origin
    spinous process T7-T12
    ribs 9-12
    iliac crest
    inferior angle of scapula
  • teres major origin
    inferior angle of scapula
  • supraspinatus origin
    supraspinous fossa
  • infraspinatus origin
    infraspinous fossa
  • teres minor origin
    lateral border of scapula