Muscles Flashcards
What does the Orbicularis Oculi do?
Compresses eyes
What does the Masseter so?
Elevates mandible/ closes jaw.
What does the Sternocleidomastoid do?
Neck flexion, head rotation.
What does the Rectus abdominis do?
Flexes vertebral column, compresses abdomen, depresses ribs.
What does the external oblique do?
Compresses abdomen, depresses ribs, lateral flexion and rotation of vertebral column.
What does the rhomboid major do?
Adducts and rotates scapula.
What does the Trapezius do?
Extend neck; elevate, depress or rotate scapula.
What does the deltoid do?
Abducts and rotates arm; arm flexion and extension.
What does the Latissimus Dorsi do?
Extends, adducts, and medially rotates arm.
What does the Pectoralis Major do?
Flexes, adducts, and medially rotates arm.
What does the Teres Major do?
Extends and medially rotates arm.
What does the Supraspinatus do?
Abducts arm.
What does the Infraspinatus do?
Laterally rotates arm.
What does the Biceps Brachii do?
Supinates forearm; flexes elbow and shoulder.
What does the Brachialis do?
Flexes elbow.
What does the Triceps Brachii do?
Extends elbow; extends and adducts arm.
What does the Flexor Carpi Radialis do?
Flexes and abducts wrist.
What does the Flexor Carpi Ulnaris do?
Flexes and adducts wrist.
What does the Extensor Digitorum do?
Extends fingers and wrists.
What does the Extensor Carpi Ulnaris do?
Extends and adducts wrist.
What does the Adductor Longus do?
Adducts, flexes and medially rotates thigh.
What does the Psoas Major do?
Flexes thigh; flexes vertebral column.
What does the Gracilis do?
Adducts and medially rotates thigh; flexes knee.
What does the Orbicularis Oris do?
Compresses lips
What does the Sartorius do?
Flexes, abducts and laterally rotates thigh; flexes knee.
What does the Rectus Femoris do?
Flexes thigh; extends knee.