Muscle Action Flashcards
What action does upper and lower trap perform?
Upward rotation(both)
Depression (lower trap)
Elevation (upper trap)
What nerve is innervated by Serratus anterior?
Long thoracic nerve
What nerve is associated with upper and lower trap?
CN XI
What action does Serratus anterior perform?
Upward rotation and protraction
What does the rhomboids perform?
Downward rotation and retraction
What action does Levator scapulae perform?
Downward rotation
What action does Pectoralis minor perform?
Downward rotation and scapular tilt
What are the rotator cuff muscles?
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
What action does Supraspinatus perform?
Abduction
What action does Infraspinatus perform?
External rotation
What action does Teres minor perform?
External rotation
What action does Subscapularis perform?
Internal rotation
What muscle does shoulder flexion perform?
Anterior deltoid
What muscle does shoulder extension perform?
Posterior deltoid
Latissimus dorsi
What muscle does shoulder abduction perform?
Middle deltoid
Posterior deltoid
Supraspinatus
What muscle is used during elbow flexion?
Biceps brachii
Brachialis
Brachioradialis
What muscle is being used during elbow extension?
Triceps
What muscles are being used during supination?
Supinator
Biceps brachii
What muscles are being used during pronation?
Pronation Teres
Pronator quadratus
What muscles are being used during wrist flexion?
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris
What muscles are being used for wrist extension?
Extensor carpi radialis longus +brevis
Extensor carpi ulnaris
What is muscle being used during finger flexion?
Flexor digitorum superficialis
Flexor digitorum profundus
What muscles are being used during finger extension?
Extensor digitorum
Extensor indicis
Extensor digiti minimi
