Arm and Forearm Muscles Flashcards
Coracobrachialis action
flex arm
ADD arm
Brachialis action
Flex forearm
Biceps Brachii action
flex forearm
Supinator
Pronator Teres action
Flex forearm
Pronation of forearm
Triceps Brachii action
Extension of forearm
Long head: assists with ADD
Anconeus action
Extend forearm
(assists with triceps)
Pronator Teres action
Pronation
Flexion of forearm
Palmaris Longus action
Flexion of hand at wrist
Flexor Carpi Radialis action
Flexion of hand at wrist
(Synergist: ABD hand w/Extensor Carpi Radialis Longus/Brevis)
Flexor Carpi Ulnaris action
Flexion of hand at wrist
(Synergist: ADD w/Extensor Carpi Ulnaris)
Flexor Digitorum Superficialis action
Flex proximal and middle phalanges #2-5
Flexor Digitorum Profundus action
Flex distal phalanges #2-5
Flexor Pollicis Longus action
Flex thumb
Pronator Quadratus action
Pronate forearm
Brachioradialis action
flex forearm
Extensor Carpi Radialis Longus action
Extension of hand at wrist
(Synergist: ABD with flexor carpi radialis)
Extensor Carpi Radialis Brevis action
Extension of hand at wrist (Synergist: ABD with Flexor carpi radialis)
Extensor Digitorum action
Extend digits #2-5
Extensor Digiti Minimi action
Extend Digit #5
Extensor Carpi Ulnaris action
Extension of hand at wrist
(Synergist: ADD with flexor carpi ulnaris)
Abductor Pollicis Longus action
ABD thumb
Extend thumb
Extensor Pollicis Longus action
Extend thumb
Extensor Pollicis Brevis action
Extend thumb
Extensor Indicis action
Extend index finger
Supinator action
supinate forearm
Coracobrachialis origin
coracoid process of scapula
Brachialis origin
Anterior/distal half humerus
Biceps Brachii origin
Long head Lateral: supraglenoid tubercle of scapula
Short head Medial: coracoid process of scapula
Triceps Brachii origin
Long head: infraglenoid tubercle of scapula
Medial head: mid/lower humerus
Lateral head: upper humerus