scapula / chest Flashcards
trapezius
o: nuchal line & all cervical and thoracic vertebrae
i: scapular spine, acromion, clavicle
f:
- elevation & depression
- adduction/retraction
- upward rotation of scapula
- extends/laterally flexes & rotates neck
rhomboids major & minor
o: C7 vertebrae to T5 vertebrae
i: medial border of scapula
f:
- downward rotation
- adduction/retraction of scapula
levator scapulae
o: 4 upper cervical vertebrae
i: medial border of scapula (upper portion)
f:
- elevation of scapula
- downward rotation of scapula
serratus anterior
o: 1st to 8th ribs
i: medial border of scapula
f:
- upward rotation of scapula
- abduction/protraction of scapula
pectoralis major
o: clavical, sternum, costal cartilage, 1st - 7th ribs, external obliques
i: bicipital groove
f:
- internal rotation, flexion, adduction of arm
pectoralis minor
o: 3rd, 4th, 5th rib
i: corocoid process of scapula
f:
- elevates ribs (helps breathing)
- protracts scapula
latissimus dorsi
o: lumbar vertebrae, lower thoracic vertebrae, iliac crest, sacrum
i: bicipital groove
f:
- adducts, extends, internally rotates arm