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67 Cards in this Set

  • Front
  • Back
Pectoralis Major
Origin
ventral part of the sternum to the 7th rib, sternal half of the clavicle, cartilage of true ribs, aponeurosis of the external oblique muscles
Pectoralis Major
Insertion
lateral lip of the intertubercular groove of the humerus
Pectoralis Major
Action
adducts and medially rotates the arm; clavicular head: flexes the humerus; sternal head: extends the humerus
Pectoralis Major
Innervation
lateral and medial pectoral nerves
Corachobrachialis
Origin
tip of the coracoid process of the scapula
Corachobrachialis
Insertion
anteromedial surface of the middle of the humerus shaft opposite the deltoid tuberosity
Coracobrachialis
action
FLEXES AND ADDUCTS the humerus
coracobrachilais
innervation
musculocutaneous nerve
brachialais
origin
anterior surface of the distal half of the humerus
brachialis
insertion
coronoid process and the tuberosity of the tibia
brachilais
action
flexes the forearm
brachilais
innervation
musculocutaneous and radial nerves
pronator teres
origin
just above the medial epicondyle of the humerus; medial surface of the coronoid process of the ulna
pronator teres
insertion
lateral surfce of the middle of the radius
pronator teres
action
pronation of the forearm, assists in flexion of the elbow
pronator teres
innervation
median nerve
pronator quadratus
origin
anterior surface of the medial side of the distal 1/4 of the ulna
pronator quadratus
insertion
medial side of the distal 1/4 of the radius
pronator quadratus
action
pronation of the forearm
pronator quadratus
innervation
median nerve
abductor digiti minimi
origin
pisiform bone and tendon of flexor carpi ulnaris
abductor digiti minimi
insertion
medial side of the base of the proximal phalanx of the 5th digit
abductor digiti minimi
action
abducts the 5th digit
abductor digiti minimi
innervation
ulnar nerve
opponens pollicis
origin
trapezium and retinaculum
opponens pollicis
insertion
anterior side of the lateral surface of the first metacarpal bone of the thumb
opponens pollicis
action
rotates the thumb into opposition with the fingers
opponens pollicis
innervation
median nerve
triceps brachii
origin
long head-- infraglenoid tubercle of the scapula; medial head-- distal 2/3s of the medial and posterior surface of the humerus; lateral head-- upper half of the posterior surface of the humerus
triceps brachii
insertion
posterior surface of the olecranon process of the ulna
triceps brachii
action
extends the forearm
triceps brachii
innervation
radial nerve
brachioradialis
origin
proximal 2/3s of the lateral supracondylar ridge of the humerus
brachioradialis
insertion
lateral surface of the base of the styloid process of the radius
brachioradialis
action
FLEXES the forearm, assists in PRONATION AND SUPINATION
brachioradialis
innervation
radial nerve
flexor digitorum superficialis
insertion
each tendon divides into 2 splits that insert on the sides of the middle phalanges of the 2nd-5th fingers
flexor digitorum superficialis
action
flex the digits at middle phalanges (proximal interphalangeal joint or metacarpophalangeal joint?)
flexor digitorum superficialis
innervation
median nerve
flexor digitorum profundas insertion
tendons insert into the anterior surface of the distal phalanges of the 2nd-5th fingers
flexor digitorum profundus
action
flex digits at distal interphalangeal joints
flexor digitorum profundus
innervation
ulnar and median nerve
pectoralis minor
-draws the scapula forward and downward, draws the ribs superiorly
-medial pectoral nerve
subclavius
-depresses the clavicle, draws the shoulder forward and downward
-c5, c6
biceps brachii
-flexes and supinates the forearm
-musculocutaneous nerve
flexor carpi ulnaris
-flex and adduct the wrist
-ulnar nerve
flexor carpi radialis
-flex and abduct the wrist
-median nerve
palmaris longus
-tenses the palmar fasica, flexes the wrist
-median nerve
flexor pollicis longus
-flexes the thumb
-median nerve
abductor pollicis brevis
-abduct, aid opposition
-median nerve
flexor pollicis brevis
-flex the thumb at proximal phalanx, aid opposition
-median nerve
flexor digiti minimi brevis
-flex the 5th digit at metacarpophalangeal joint
-ulnar nerve
opponens digiti minimi
-rotates the 5th digit into opposition with the thumb
-ulnar nerve
adductor pollicis
-adducts and flexes the thumb
-ulnar nerve
lumbricales
-extend fingers at interphalangeal joints
-median and ulnar nerves
interosseous mm
-palmar: adduct
-dorsal: abduct
-deep branch of ulnar nerve
abductor pollicis longus
-abducts and extends the first digit, abducts wrist
-radial nerve
extensor pollicis longus
-extends thumb at interphalangeal joint and metacarpophalangeal joints
-radial nerve
extensor pollicis brevis
-extends at proximal phalanx, abducts
-radial nerve
extensor indicis
-extends indicis at metacarpalphalanx joint
-radial nerve
supinator
-supination of the forearm
-radial nerve
extensor carpi radialis longus
-extend wrist, abduct hand
-radial nerve
extensor carpi radialis brevis
-extends wrist, abduct hand
-radial nerve
extensor digitorum
-extends fingers and wrist
-radial nerve
extensor digiti minimi
-extends 5th digit
-radial nerve
extensor carpi ulnaris
-extends wrist, adduct of hand
-radial nerve
anconeus
-extends forearm, stabilizes elbow joint
-radial nerve