lab 6: muscles of the pectoral girdle & upper limb

1

trapezius

1

pectoralis major

2

pectoralis minor

1

serratus anterior

latissimus dorsi

deltoid

O: clavicle/acromium/spine of scapula

I: deltoid tuberosity of humerus

A: glenohumeral abduction

1

supraspinatus

2

infraspinatus

3

teres minor

4

teres major

5

subscapularis

1

biceps brachii

O: short head - coracoid process of scapula

O: long head - supraglenoid tubercle of scapula

I: radial tuberosity of radius

A: elbow flexion.radioulnar supination

SHORT HEAD

2

LONG HEAD

1

coracobrachialis

2

brachialis

1

triceps brachii
O (long head): infraglenoid tubercle of scapula

O (lateral head): posterior shaft of humerus

O (medial head): posterior shaft of humerus

I: common tendon onto olecranon process of ulna

A: elbow extension

LATERAL HEAD

2

LONG HEAD

3

MEDIAL HEAD

1

flexor carpi ulnaris

2

flexor digitorum superficialis

3

pronator teres

4

flexor carpi radialis

5

palmaris longus

1

flexor digitorum profundus

2

flexor carpi ulnaris

3

brachioradialis

4

flexor pollicis longus

5

pronator quadratus

1

brachioradialis

2

extensor carpi radialis longus

3

extensor carpi radialis brevis

4

extensor digitorum communis

5

anconeus

6

extensor carpi ulnaris

7

extensor digiti minimi

1

supinator

2

abductor pollicis longus

3

extensor pollicis brevis

4

extensor pollicis longus

5

extensor indicis

1

pronator teres

2

supinator

1

adductor pollicis

2

opponens pollicis

3

abductor pollicis brevis

4

flexor pollicis brevis

1

opponens pollicis

2

abductor pollicis brevis

3

flexor pollicis brevis

1

abductor digiti minimi

2

flexor digiti minimi brevis

3

abductor digiti minimi

4

opponens digiti minimi

1

lumbrical

2

flexor retinaculum

3

extensor retinaculum

4

interossei