Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
UPPER EXTREMITY MUSCLE TABLE
MUSCLE
PROXIMAL ATTACHMENT (ORIGIN)
DISTAL ATTACHMENT (INSERTION)
Flexor carpi radialis
Medial epicondyle of humerus
Flexor carpi ulnaris
Humeral head: medial epicondyle of Pisiform bone, hook of hamate, base Ulnar nerve
humerus Ulnar head: olecranon and of 5th metacarpal
posterior border of ulna
Flexor digitorum profundus
Flexor digitorum superficialis
Flexor pollicis longus
Palmaris longus
Pronator quadratus
Pronator teres
Anconeus
Biceps brachii
Brachialis
Coracobrachialis
Triceps brachii
Abductor digiti minimi
Abductor pollicis brevis
Adductor pollicis
Dorsal interosseous muscles
Base of 2nd metacarpal
INNERVATION
Median nerve
Medial and anterior surface of Palmar base of distal phalanges of Medial part: ulnar nerve Lateral proximal 3/4 of ulna and medial four digits
part: median nerve
interosseous membrane
Humero‐ulnar head: medial epicondyle of humerus and coronoid Bodies of middle phalanges of medial Median nerve
process of ulna four digits
Radial head: superior half of anterior radius
Anterior surface of radius and Palmar base of distal phalanx of Median nerve (anterior interosseous)
interosseous membrane
thumb
Distal half of flexor retinaculum and Medial epicondyle of humerus
Median nerve
palmar aponeurosis
Distal fourth of anterior ulna
Distal fourth of anterior radius
Two heads: medial epicondyle of Midway along lateral surface of humerus and coronoid process of radius
ulna
Posterior surface of lateral Lateral surface of olecranon and epicondyle of humerus
posterior proximal ulna
Long head: supraglenoid tubercle of scapula Radial tuberosity, fascia of forearm Short head: tip of coracoid process of via bicipital aponeurosis
scapula
Distal half of anterior surface of Coronoid process and tuberosity of humerus
ulna
Middle third of medial surface of Tip of coracoid process of scapula
humerus
Long head: infraglenoid tubercle of scapula Lateral head: upper half of posterior Posterior surface of olecranon humerus process of ulna
Medial head: distal 2/3 of medial and posterior humerus
Pisiform bone and tendon of flexor Medial side of base of proximal carpi ulnaris
phalanx of little finger (5th digit)
Flexor retinaculum, tubercles of Lateral side of base of proximal scaphoid and trapezium
phalanx of thumb
Oblique head : bases of 2nd and 3rd metacarpals and capitate and Medial side of base of proximal adjacent bones phalanx of thumb
Transverse head: anterior surface of 3rd metacarpal
Adjacent sides of two metacarpal bones
MAIN ACTIONS
BLOOD SUPPLY
MUSCLE GROUP
Flexes and abducts hand at wrist
Radial artery
Anterior forearm
Flexes and adducts hand at wrist
Posterior ulnar recurrent artery
Anterior forearm
Flexes distal phalanges of medial four Anterior interosseous artery, digits, assists with flexion of hand at muscular branches of ulnar artery
wrist
Anterior forearm
Flexes middle and proximal phalanges of medial four digits, flexes Ulnar and radial arteries
hand at wrist
Anterior forearm
Flexes phalanges of thumb
Anterior interosseous artery
Anterior forearm
Flexes hand at wrist and tenses palmar aponeurosis
Posterior ulnar recurrent artery
Anterior forearm
Anterior interosseous artery
Anterior forearm
Median nerve (anterior interosseous) Pronates forearm
Median nerve
Pronates forearm and assists with elbow flexion
Anterior ulnar recurrent artery
Anterior forearm
Radial nerve (C5–T1)
Assists triceps in extending elbow, abducts ulna in pronation
Deep brachial artery
Arm
Musculocutaneous nerve (C5,C6)
Flexes and supinates forearm at elbow
Muscular branches of brachial artery Arm
Musculocutaneous nerve and radial Flexes forearm at elbow
nerve (C7)
Radial recurrent artery, muscular branches of brachial artery
Musculocutaneous nerve
Flexes and adducts arm at shoulder
Muscular branches of brachial artery Arm
Radial nerve
Extends forearm at elbow; long head stabilizes head of abducted humerus Branch of profunda brachii artery
and extends and adducts arm at shoulder
Arm
Ulnar nerve (deep branch)
Abducts little finger
Deep palmar branch of ulnar artery
Hand
Median nerve (recurrent branch)
Abducts thumb
Superficial palmar branch of radial artery
Hand
Ulnar nerve (deep branch)
Adducts thumb
Deep palmar arch
Hand
Abduct digits from axial line of hand (3rd digit); flex digits at Deep palmar arch
metacarpophalangeal joint and extend interphalangeal joints
Hand
Base of proximal phalanges, extensor Ulnar nerve (deep branch)
expansion of digits 2–4
Arm
07/16/2015
Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
MUSCLE
Flexor digiti minimi brevis
Flexor pollicis brevis
PROXIMAL ATTACHMENT (ORIGIN)
Flexor retinaculum and hook of hamate bone
Flexor retinaculum and tubercle of trapezium
DISTAL ATTACHMENT (INSERTION)
Medial side of base of proximal phalanx of little finger
Lateral side of base of proximal phalanx of thumb
INNERVATION
Deep palmar branch of ulnar artery
Hand
Median nerve (recurrent branch)
Flexes proximal phalanx of thumb
Superficial palmar branch of radial artery
Hand
Superficial and deep palmar arches
Hand
Superficial and deep palmar arches
Hand
Deep palmar branch of ulnar artery
Hand
Superficial palmar branch of radial artery
Hand
Deep palmar arch
Hand
Lateral sides of extensor expansion of Median nerve (digital branches)
digits 2 and 3
Lumbrical, third and fourth
Medial three tendons of flexor digitorum profundus
Lateral sides of extensor expansion of Ulnar nerve (deep branch)
digits 4 and 5
Opponens pollicis
Palmar interosseous muscles
Palmaris brevis
Pectoralis major
Pectoralis minor
Abductor pollicis longus
Brachioradialis
Extensor carpi radialis brevis
Extensor carpi radialis longus
Extensor carpi ulnaris
Sides of metacarpals 2, 4, and 5
Palmar aponeurosis and flexor retinaculum
Sternal half of clavicle, sternum to 7th rib, cartilages of true ribs, aponeurosis of external oblique muscle
Palmar surface of 5th metacarpal
Ulnar nerve (deep branch)
Lateral side of 1st metacarpal
Median nerve (recurrent branch)
Bases of proximal phalanx and extensor expansion of digits 2, 4, and Ulnar nerve (deep branch)
5
Skin of medial border of palm
Superficial palmar branch of ulnar nerve
Lateral lip of intertubercular sulcus of Medial and lateral pectoral nerves
humerus
Outer surface of upper margin of ribs Coracoid process of scapula
3–5
Posterior surface of ulna, radius, and Base of 1st metacarpal
interosseous membrane
Proximal 2/3 of lateral supracondylar Lateral side of distal end of radius
ridge of humerus
Dorsal base of 3rd metacarpal and Lateral epicondyle of humerus
slip to 2nd metacarpal
Distal third of lateral supracondylar Dorsal base of 2nd metacarpal and ridge of humerus
slip to 3rd metacarpal
Lateral epicondyle of humerus and Dorsal base of 5th metacarpal
posterior border of ulna
Medial pectoral nerve
Radial nerve (posterior interosseous)
Radial nerve
Extend digits at interphalangeal joints, flex metacarpophalangeal joints
Extend digits at interphalangeal joints, flex metacarpophalangeal joints
Draws 5th metacarpal anteriorly and rotates it to face thumb
Draws 1st metacarpal forward and rotates it medially
Adducts digits toward axial line of hand (3rd digit); flexes digits at metacarpophalngeal joint and extends interphalangeal joints
Deepens hollow of hand, assists grip Superficial palmar arch
Lowers lateral angle of scapula and protracts scapula
Abducts and extends thumb at carpometacarpal joint
Weak flexion of forearm when forearm is midpronated
Radial artery, radial recurrent artery Posterior forearm
Radial nerve (posterior interosseous) Extends and adducts hand at wrist
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Radial recurrent artery, posterior interosseous arteries
Posterior forearm
Extensor expansions of medial four digits
Extends medial four digits, assists in wrist extension
Extends 2nd digit and helps extend Radial nerve (posterior interosseous)
hand at wrist
Extends proximal phalanx of thumb Radial nerve (posterior interosseous)
at carpometacarpal joint
Extends distal phalanx of thumb at Radial nerve (posterior interosseous) interphalangeal and metacarpophalangeal joints
Posterior surface of middle third of ulna, interosseous membrane
Dorsal base of distal phalanx of thumb
Supinator
Lateral epicondyle of humerus, supinator crest of ulna
Lateral, posterior, and anterior surfaces of proximal third of radius
Posterior forearm
Extends and abducts hand at wrist
Lateral epicondyle of humerus
Extensor pollicis longus
Radial recurrent artery
Radial nerve
Extensor digitorum
Dorsal base of proximal phalanx of thumb
Posterior forearm
Radial artery, radial recurrent artery Posterior forearm
Radial nerve (posterior interosseous) Extends 5th digit
Extensor pollicis brevis
Posterior interosseous artery
Extends and abducts hand at wrist
Extensor expansion of 5th digit
Extensor expansion of 2nd digit
Pectoral branch of thoraco‐acromial and intercostal lateral thoracic Pectoral region/axilla
arteries
Radial nerve (deep branch)
Lateral epicondyle of humerus
Extensor indicis
Hand
Pectoral branch of thoraco‐acromial Flexes and adducts arm, rotates arm artery, perforating branches of Pectoral region/ axilla
medially
internal thoracic artery
Extensor digiti minimi
Posterior surface of ulna and interosseous membrane
Posterior surface of radius and interosseous membrane
MUSCLE GROUP
Flexes proximal phalanx of little finger
Lateral two tendons of flexor digitorum profundus
Flexor retinaculum and hook of hamate bone
Flexor retinaculum and tubercle of trapezium
BLOOD SUPPLY
Ulnar nerve (deep branch)
Lumbrical, first and second
Opponens digiti minimi
MAIN ACTIONS
Radial nerve (posterior interosseous)
Radial nerve (deep branch)
Supinates forearm
07/16/2015
Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
MUSCLE
PROXIMAL ATTACHMENT (ORIGIN)
DISTAL ATTACHMENT (INSERTION)
INNERVATION
MAIN ACTIONS
BLOOD SUPPLY
MUSCLE GROUP
Deltoid
Lateral third of anterior clavicle, lateral acromion, inferior edge of spine of scapula
Deltoid tuberosity of humerus
Axillary nerve
Clavicular part : flexes and medially rotates arm Posterior circumflex humeral artery, Acromial part: abducts arm beyond deltoid branch of thoraco‐acromial Shoulder
initial 15 degrees done by artery
supraspinatus Spinal part: extends and laterally rotates arm
Infraspinatus
Infraspinous fossa of scapula and deep fascia
Middle facet of greater tubercle of humerus
Suprascapular nerve
Lateral rotation of arm (with teres minor)
Suprascapular artery
Shoulder
Thoracodorsal nerve
Extends, adducts, and medially rotates humerus at shoulder
Thoracodorsal artery, dorsal perforating branches of 9th, 10th, and 11th posterior intercostal, subcostal, and first three lumbar arteries
Shoulder
Long thoracic nerve
Protracts and rotates scapula and holds it against thoracic wall
Lateral thoracic artery
Shoulder
Nerve to subclavius
Anchors and depresses clavicle
Clavicular branch of thoraco‐acromial Shoulder
artery
Latissimus dorsi
Spinous processes of T7–L5 vertebrae, thoracolumbar fascia, iliac Intertubercular sulcus of humerus
crest, last 3 ribs
Serratus anterior
Lateral surfaces of upper 8–9 ribs
Subclavius
Upper border of 1st rib and its cartilage
Subscapularis
Supraspinatus
Teres major
Teres minor
Levator scapulae
Rhomboid major
Rhomboid minor
Trapezius
Costal surface of medial border of scapula
Inferior surface of middle third of clavicle
Medially rotates arm at shoulder and Subscapular artery, lateral thoracic Upper and lower subscapular nerves adducts it, helps hold humeral head artery
in glenoid cavity
Supraspinous fossa of scapula and Initiates arm abduction, acts with Superior facet of greater tubercle of Suprascapular artery
Suprascapular nerve
rotator cuff muscles
deep fascia
humerus
Posterior surface of inferior angle of Medial lip of intertubercular sulcus of Lower subscapular nerve
Adducts and medially rotates arm
Circumflex scapular artery
scapula
humerus
Inferior facet of greater tubercle of Upper 2/3 of posterior surface of Axillary nerve
Laterally rotates arm
Circumflex scapular artery
lateral border of scapula
humerus
Dorsal scapular artery, transverse Posterior tubercles of transverse Medial border of scapula from Ventral rami of C3–C4 and dorsal Elevates scapula medially, inferiorly cervical artery, ascending cervical processes of C1–C4
superior angle to spine
scapular nerve
rotates glenoid cavity
artery
Dorsal scapular OR deep branch of transverse cervical artery, dorsal Fixes scapula to thoracic wall and Spinous processes of T2–T5 Medial border of scapula below base perforating branches of the upper Dorsal scapular nerve
retracts and rotates it to depress vertebrae
of spine of scapula
glenoid cavity
five or six posterior intercostal arteries artery
Dorsal scapular artery OR deep branch of transverse cervical artery, Fixes scapula to thoracic wall and Ligamentum nuchae, spines of C7 Medial border of scapula at spine of Dorsal scapular nerve
retracts and rotates it to depress dorsal perforating branches of the and T1 vertebrae
scapula
glenoid cavity
upper five or six posterior intercostal arteries
Superior nuchal line, external Transverse cervical artery, dorsal Elevates, retracts, and rotates Lateral third of clavicle, acromion, occipital protuberance, nuchal Accessory nerve (cranial nerve XI)
perforating branches of posterior scapula; lower fibers depress scapula
and spine of scapula
ligament, spinous processes of intercostal arteries
C7–T12
Subscapular fossa
Lesser tubercle of humerus
Shoulder
Shoulder
Shoulder
Shoulder
Superficial back
Superficial back
Superficial back
Superficial back
07/16/2015