Lab E Flashcards
Pectoralis Minor Actions (2)
Depress scapula and shoulder; abduct the scapula and protract the shoulder
Pectoralis minor origin
R3-R5
Pectoralis minor insertion
scapula: coracoid process
serratus anterior actions (2)
Depress scapula and shoulder; abduct the scapula and protract the shoulder
serratus anterior origin
ribs
serratus anterior insertion
scapula: medial border
trapezius actions (2)
elevate or depress scapula and shoulder; adduct scapula and retract shoulder
trapezius origin
Occipital and vertebrae
trapezius insertion
acromion and spine of scapula; clavicle
levator scapulae action (1)
elevate scapula and shoulder
levator scapulae origin
Vertebrae C1-C4
levator scapulae insertion
Scapula: superior angle, medial border
rhomboid minor actions (2)
elevate scapula and shoulder; adduct scapula and retract shoulder
rhomboid minor origin
Vertebrae: C7-T1
rhomboid minor insertion
scapula: medial border
rhomboid major actions (2)
elevate scapula and shoulder; adduct scapula and retract shoulder
rhomboid major origin
vertebrae: T2-T5
rhomboid major insertion
scapula: medial border
Pectoralis Major actions (3)
flex humerus, adduct humerus, medially rotate humerus
pectoralis major origin
clavicle, sternum, ribs
pectoralis major insertion
humerus: intertubercular sulcus
latissimus dorsi actions (3)
extend humerus, adduct humerus, medially rotate humerus
latissimus dorsi origin
vertebrae, ribs, ilium
latissimus dorsi insertion
humerus: intertubercular sulcus
teres major actions (2)
extend humerus, medially rotate humerus
coracobrachialis actions (2)
flex humerus, medially rotate humerus
coracobrachialis origin
scapula: coracoid process
coracobrachialis insertion
humerus: shaft
supraspinatus action (1)
abduct humerus
supraspinatus origin
scapula: supraspinous fossa
supraspinatus insertion
humerus: greater tubercle
infraspinatus action
laterally rotate humerus
infraspinatus origin
scapula: infraspinous fossa
infraspinatus insertion
humerus: greater tubercle
teres minor action (1)
laterally rotate humerus
teres minor origin
scapula: lateral border
teres minor insertion
humerus: greater tubercle
subscapularis action (1)
medially rotate humerus
subscapularis origin
scapula: subscapular fossa
subscapularis insertion
humerus: lesser tubercle
deltoid (anterior head) action
flex humerus
deltoid (lateral head) action
abduct humerus
deltoid (posterior head) action
extend humerus
deltoid origin
acromion and spine of scapula, clavicle
deltoid insertion
deltoid tuberosity of humerus
Brachialis actions (1)
flex elbow
brachialis origin
distal humerus
brachialis insertion
ulna: coronoid process
biceps brachii, long head actions (2)
flex elbow, supinate elbow
biceps brachii, long head origin
scapula: glenoid cavity
biceps brachii, long head insertion
radius: radial tuberosity
biceps brachii, short head actions (2)
flex elbow, supinate elbow
biceps brachii, short head origin
scapula: coracoid process
biceps brachii, short head insertion
radius: radial tuberosity
triceps brachii, long head actions (1)
extend elbow
triceps brachii, long head origin
scapula: glenoid cavity
triceps brachii, long head insertion
ulna: olecranon process
triceps brachii, lateral head actions (1)
extend elbow
triceps brachii, lateral head origin
proximal humerus
triceps brachii, lateral head insertion
ulna: olecranon process
triceps brachii, Medial head actions (1)
extend elbow
triceps brachii, Medial head origin
humerus: shaft
triceps brachii, Medial head insertion
ulna: olecranon process
Brachioradialis actions (1)
flex elbow
Brachioradialis origin
humerus: lateral supracondylar ridge
Brachioradialis insertion
radius
Anconeus Actions (1)
pronate elbow
Anconeus origin
humerus
Anconeus insertion
ulna
Pronator Quadratus actions (1)
pronate elbow
Pronator Quadratus origin
ulna
Pronator Quadratus insertion
radius
Pronator teres action (1)
pronate elbow
Pronator teres origin
humerus and ulna
pronator teres insertion
radius
supinator action (1)
supinate elbow
supinator origin
humerus and ulna
supinator insertion
radius
Flexor carpi radialis actions (1)
flex wrist
flexor carpi radialis origin
humerus: medial epicondyle
flexor carpi radialis insertion
metacarpals
flexor carpi ulnaris actions (1)
flex wrist
flexor carpi ulnaris origin
humerus: medial epicondyle
flexor carpi ulnaris insertion
carpals and metacarpals
flexor digitorum superficialis actions (1)
flex wrist and fingers
flexor digitorum superficialis origin
humerus: medial epicondyle
flexor digitorum superficialis insertion
middle phalanges
Palmaris longus actions (1)
anchors palmar region
palmaris longus origin
humerus: medial epicondyle
palmaris longus insertion
flexor retinaculum and palmar aponeurosis
flexor digitorum profundus actions (1)
flex wrist and fingers
flexor digitorum profundus origin
ulna
flexor digitorum profundus insertion
distal phalanges
flexor pollicis longus actions (1)
flex thumb
flexor pollicis longus origin
radius
flexor pollicis longus insertion
distal phalanx I
extensor carpi radialis longus actions (1)
extend wrist
extensor carpi radialis longus origin
humerus: lateral supracondylar ridge
extensor carpi radialis longus insertion
metacarpal II
extensor carpi radialis brevis actions (1)
extend wrist
extensor carpi radialis brevis origin
humerus: lateral epicondyle
extensor carpi radialis brevis insertion
metacarpal III
extensor digitorum actions (1)
extend wrist and fingers
extensor digitorum origin
humerus: lateral epicondyle
extensor digitorum insertion
phalanges II-V
Extensor digitii minimi actions (1)
extend wrist and little finger
extensor digiti minimi origin
humerus: lateral epicondyle
extensor digiti minimi insertion
proximal phalanx V
extensor carpi ulnaris actions (1)
extend wrist
extensor carpi ulnaris origin
humerus: lateral epicondyle
extensor carpi ulnaris insertion
metacarpal V
Abductor pollicis longus actions (2)
extend thumb, abduct thumb
abductor pollicis longus origin
radius and ulna
abductor pollicis longus insertion
metacarpal I
extensor pollicis brevis actions (1)
extend thumb
extensor pollicis brevis origin
radius
extensor pollicis brevis insertion
proximal phalanx I
extensor pollicis longus actions (2)
extend thumb, adduct thumb
extensor pollicis longus origin
ulna
extensor pollicis longus insertion
distal phalanx I
extensor indicis actions (1)
extend wrist and index finger
extensor indicis origin
ulna
extensor indicis insertion
middle, distal phalanges II
