upper appendicular - arm muscles

biceps brachii

two origins of this muscle but they merge to form one insertion

biceps brachii short head

medial head of the biceps brachii

biceps brachii long head

lateral head of the biceps brachii

brachialis

deep to the biceps brachii

coracobrachialis

deep and a little medial to the short head of the biceps brachii

triceps brachii

three origins of this muscle but they merge to form one insertion

triceps brachii lateral head

lateral head of the triceps brachii

triceps brachii long head

medial to the lateral head of the triceps brachii

triceps brachii medial head

deep to the lateral and long head of the triceps brachii

palmaris longus

center of the antebrachium with a tendon extending to the palm (anterior antebrachium)

flexor digitorum superficialis

deep to the palmaris longus (anterior antebrachium)

flexor carpi ulnaris

medial to the palmaris longus (anterior antebrachium)

flexor carpi radialis

lateral to the palmaris longus (anterior antebrachium)

brachioradialis

lateral to the flexor carpi radialis located on the lateral edge of the radius (anterior antebrachium)

pronator teres

an oblique muscle located in the antecubital region extending from the medial epicondyle of the humerus to the midlateral surface of the radius (anterior antebrachium)

pronator quadratus

transverse muscle located near the carpal region between the radius and ulna (anterior antebrachium)

extensor digitorum

center of the posterior antebrachium, which extends near the center of the carpal region to the digits, two through five

extensor carpi ulnaris

medial to the extensor digitorum (posterior antebrachium)

extensor digiti minimi

located between the extensor digitorum and the extensor carpi ulnaris (posterior antebrachium)

extensor carpi radialis brevis

lateral to the extensor digitorum sitting a bit deep (posterior antebrachium)

extensor carpi radialis longus

lateral to the extensor carpi radialis brevis (posterior antebrachium)

brachioradialis

lateral to the extensor carpi radialis longus located on the lateral edge of the radius (posterior antebrachium)

anconeus

located in the olecranon area extending obliquely from the lateral epicondyle of the humerus to the olecranon (posterior antebrachium)

supinator

deep to the anconeus extending from the lateral epicondyle of the humerus to an area distal to the radial tuberosity (posterior antebrachium)

abductor pollicis longus

an oblique muscle that is superior to the extensor pollicis brevis and is found deep and lateral to the extensor digitorum (posterior antebrachium)

extensor pollicis brevis

an oblique muscle that is inferior to the abductor pollicis longus and is found deep and lateral to the extensor digitorum (posterior antebrachium)

supraspinatus

located superior to the spine of the scapula in the supraspinous fossa

infraspinatus

located inferior to the spine of the scapula in the infraspinous fossa

teres minor

originates on the lateral border of the scapula, inferior to the infraspinatus muscle

subscapularis

located in the subscapular fossa of the scapula