TORSO AND FACE Flashcards
(32 cards)
TRAPEZIUS
O: External occipital process, ligamentum nuchae, spinous process of C7-T12
I: clavicle, spine and acromion process of scapula
A: elevates, retracts and depresses scapula
LATISSIMUS DORSI
O: spinous process of T7-T12, lumbar and sacral vertebrae
I: intertubercular groove of humerous
A: “swimmers muscle”
STERNOCLEIDOMASTOID
O: sternum and clavicle
I: mastiod process
A: head side to side, flexes neck
PECTORALIS MAJOR
O: clavicle, sternum, cartilage of ribs
I: intertubercular groove of humerus
A: flexes, adducts and rotates arm
PECTORALIS MINOR
O: 3rd to 5th ribs
I: coracoid process of scapula
A: depress shoulder
SERRATUS ANTERIOR
O: outer surface of upper ribs
I: anterior surface of scapula
A: pull scapula anterior and downward (“boxers muscle”)
EXTERNAL INTERCOSTALS
O: inferior border of each rib
I: superior border of next ribs below it
A: elvates ribs for inspiration
INTERNAL INTERCOASTALS
O: superior border of each rib
I: inferior border of each rib below it
A: depression for exhalation (coughing)
RECTUS ABDOMINUS
O: pubic crest and symphysis
I: cartilage of ribs 5 to 7 and xiphoid process
A: flexes vertebral column
EXTERNAL OBLIQUES
O: n/a
I: n/a
A: tenses abdominal wall, compresses contents
INTERNAL OBLIQUES
O: n/a
I: n/a
A: tenses abdominal wall, compresses contents
TRANSVERSE ABDOMINUS
O: n/a
I: n/a
A: compresses abdomen
RHOMBOIDS MINOR
O: spinous processes of C7 & T1
I: root of spine of scapula
A: retracts scapula
RHOMBOIDS MAJOR
O: spinous processes of T2-T5
I: medial border of scapula
A: retracts scapula
MASSETER
A: closes lower jaw and clenches teeth
OCCIPITALIS
A: tenses and retracts scalp
FRONTALIS
A: raises eyebrow, wrinkles forehead
PLATYSMA
A: tenses skin of neck and depresses mandible
MENTALIS
A: elevates and protrudes lower lip
PROCERUS
A: wrinkles skin between eyes (serious look)
NASALIS
A: elevates corner of nostrils
ORBICULARIS ORIS
A: closes and purses lips
ORBICULARIS OCULI
A: closes eyes
TEMPOROPARIETALIS/
AURICULARIS
A: tenses scalp, moves ear
