Lab Test #4 Flashcards
Name the action of the Masseter
Closes jaw
Name the origin of the Masseter
Zygomatic arch
Name the insertion of the Masseter
Mandible
Name the action of the Sternocleidomastoid
Flexes neck and turns head
Name the origin of the Sternocleidomastoid
Sternum and clavicle
Name the insertion of the Sternocleidomastoid
Mastoid process of temporal bone
Name the action of the Trapezius
Moves scapula upward, downward, and medially
Name the origin of the Trapezius
Occipital bone and spines of upper vertebrae
Name the insertion of the Trapezius
Clavicle and scapula
Name the action of the Latissius Dorsi
Rotates arm medially and pulls shoulders back and down
Name the origin of the Latissius Dorsi
Lower vertebrae, ribs, and illium
Name the insertion of the Latissius Dorsi
Scapula
Name the action of the Pectoralis Major
Flexes, adducts, and rotates arm
Name the origin of the Pectoralis Major
Clavicle and sternum
Name the insertion of the Pectoralis Major
Humerus
Name the action of the Pectoralis Minor
Pulls scapula forward and elevates ribs
Name the origin of the Pectoralis Minor
Ribs
Name the insertion of the Pectoralis Minor
Scapula
Name the action of the Deltoid
Abducts arm
Name the origin of the Deltoid
Clavicle and scapula
Name the insertion of the Deltoid
Humerus
Name the action of the Triceps Brachii
Extends forearm