Frank H. Netter, MD - Atlas of Human Anatomy (6th ed ) 2014, page 516 read online

MuscleTables

Table6-1

MuscleTables

MUSCLE

PROXIMAL

ATTACHMENT

(ORIGIN)

DISTAL

ATTACHMENT

(INSERTION)

INNERVATION

MAIN ACTIONS

BLOOD SUPPLY

MUSCLE

GROUP

Abductor digiti

minimi

Pisiform bone and

tendon of Fexor

carpi ulnaris

Medial side of base

of proximal

phalanx of little

ﬁnger (5th digit)

Ulnar nerve (deep

branch)

Abducts little ﬁnger

Deep palmar branch

of ulnar artery

Hand

Abductor pollicis

brevis

±lexor retinaculum,

tubercles of

scaphoid and

trapezium

Lateral side of base

of proximal

phalanx of

thumb

Median nerve

(recurrent

branch)

Abducts thumb

Superﬁcial palmar

branch of radial

artery

Hand

Abductor pollicis

longus

Posterior surface of

ulna, radius, and

interosseous

membrane

Base of 1st

metacarpal

Radial nerve

(posterior

interosseous)

Abducts and extends

thumb at

carpometacarpal joint

Posterior

interosseous

artery

Posterior

forearm

Adductor pollicis

Oblique head

: bases

of 2nd and 3rd

metacarpals and

capitate and

adjacent bones

Transverse head:

anterior surface

of 3rd

metacarpal

Medial side of base

of proximal

phalanx of

thumb

Ulnar nerve (deep

branch)

Adducts thumb

Deep palmar arch

Hand

Anconeus

Posterior surface

of lateral

epicondyle of

humerus

Lateral surface of

olecranon and

posterior

proximal ulna

Radial nerve (C5–T1)

Assists triceps in

extending elbow,

abducts ulna in

pronation

Deep brachial artery

Arm

Biceps brachii

Long head:

supraglenoid

tubercle of

scapula

Short head:

tip of

coracoid

process of

scapula

Radial tuberosity,

fascia of

forearm via

bicipital

aponeurosis

Musculocutaneous

nerve (C5,C6)

±lexes and supinates

forearm at elbow

Muscular branches

of brachial

artery

Arm

Brachialis

Distal half of anterior

surface of

humerus

Coronoid process

and tuberosity

of ulna

Musculocutaneous

nerve and radial

nerve (C7)

±lexes forearm at elbow

Radial recurrent

artery, muscular

branches of

brachial artery

Arm

Brachioradialis

Proximal 2/3 of

lateral

supracondylar

ridge of

humerus

Lateral side of distal

end of radius

Radial nerve

Weak Fexion of forearm

when forearm is

midpronated

Radial recurrent

artery

Posterior

forearm

Coracobrachialis

Tip of coracoid

process of

scapula

Middle third of

medial surface

of humerus

Musculocutaneous

nerve

±lexes and adducts arm

at shoulder

Muscular branches

of brachial

artery

Arm

Deltoid

Lateral third of

anterior clavicle,

lateral acromion,

inferior edge of

spine of scapula

Deltoid tuberosity of

humerus

Axillary nerve

Clavicular part

: Fexes and

medially rotates arm

Acromial part:

abducts

arm beyond initial 15

degrees done by

supraspinatus

Spinal part:

extends and

laterally rotates arm

Posterior circumFex

humeral

artery, deltoid

branch of

thoraco-acromial

artery

Shoulder

Dorsal interosseous

muscles

Adjacent sides of

two metacarpal

bones

Base of proximal

phalanges,

extensor

expansion of

digits 2–4

Ulnar nerve (deep

branch)

Abduct digits from axial

line of hand (3rd

digit); Fex digits at

metacarpophalangeal

joint and extend

interphalangeal joints

Deep palmar arch

Hand

Extensor carpi

radialis brevis

Lateral epicondyle of

humerus

Dorsal base of 3rd

metacarpal and

slip to 2nd

metacarpal

Radial nerve (deep

branch)

Extends and abducts

hand at wrist

Radial artery, radial

recurrent artery

Posterior

forearm

Extensor carpi

radialis longus

Distal third of lateral

supracondylar

ridge of

humerus

Dorsal base of 2nd

metacarpal and

slip to 3rd

metacarpal

Radial nerve

Extends and abducts

hand at wrist

Radial artery, radial

recurrent artery

Posterior

forearm

Variations in spinal nerve contributions to the innervation of muscles, their arterial supply, their attachments, and their actions are common themes in human

anatomy. Therefore, expect differences between texts and realize that anatomical variation is normal.