M PECTORALIS MAJOR M PECTORALIS MINOR
Clavicle, sternum, uppersix costal O Third, fourth, and fifth ribs
O cartilage
I Coracoid process of scapula
I Lateral lip of bicipital groove of humerus
N Medial pectoral nerve from brachial
Medial and lateral pectoral nerves from plexus
N brachial plexus
A Depresses point of shoulder; if the
Abducts arm and rotates it medially; scapula is fixed, it elevates the ribs of
A clavicular fibers also flex arm origin
M SUBCLAVIUS
M SERRATUS ANTERIOR
O First costal cartilage
O Upper right ribs
I Clavicle
I Medial border and inferior angle of
scapula
N Upper trunk of brachial plexus
N Long thoracic nerve
A Depresses the clavicle and steadies this
A Draws the scapula forward around the
bone during movements of the shoulder thoracic;rotates scapula(forward punch)
M LATISSIMUS DORSI
M DELTOID
O Iliac crest, lumbar fascia,spines of lower
O Lateral third of clavicle,acromion, spine six thoracic vertebrae, lower three or
of scapula four ribs, and inferior angle of scapula
I Humerus –tuberosity I Floor of bicipital groove of humerus
N Axillary nerve N Thoracodorsal nerve
A Abducts arm; anterior fibers flex and A Extends, adducts, andmedially rotates
medially rotate arm; posterior fibers the arm
extend and laterally rotate arm
M SUPRASPINATUS M RHOMBOID MINOR
O Supraspinous fossa of scapula O Ligamentum nuchae and spines of
seventh cervical and first thoracic
vertebrae
I Greater tuberosity of humerus
N Suprascapular nerve I Medial border of the scapula
A Abducts arm and stabilizes shoulder N Dorsal scapular nerve
joint
A Raises medial border of scapula
M INFRASPINATUS
O Infraspinous fossa of scapula
I Greater tuberosity of humerus; capsule
M TERES MAJOR
of shoulder joint
N Suprascapular nerve O Lower third of lateral border of scapula
A Laterally rotates arm and stabilizes I Medial lip of bicipital groove of humerus
shoulder joint
N Lower subscapular nerve
A Medially rotates and adducts arm and
stabilizes shoulder joint
M PRONATOR TERES
O Medial epicondyle of humerus (Humeral
head), Medial border of coronoid
process of ulna (Ulnar head)
I Lateral aspect of shaft of radius
N Median nerve
A Pronation and flexion of the forearm
M PALMARIS LONGUS
O Medial epicondyle of humerus
I Flexor retinaculum & palmar aponeurosis
N Median nerve
M CORACOBRACHIALIS
A Flexes the hand at wrist joint
O Coracoid process of scapula
I Medial aspect of shaft of humerus
N Musculocutaneous nerve
A Flexes arm and also process of weak
adductor
M TERES MINOR
O Upper two thirds of lateral border of
scapula
I Greater tuberosity of humerus
N Axillary nerve
A Laterally rotates arm and stabilizes
shoulder joint
M SUBSCAPULARIS
O Subscapular fossa
I Lesser tuberosity of humerus
N Upper and lower subscapular nerves
A Medially rotates arm and stabilizes M TRICEPS BRACHII
shoulder joint
O Infraglenoid tubercle of scapula (Long
head), Upper half of the post. aspect of
the shaft of humerus (Lateral head),
Lower half of the post. aspect of the
M BICEPS BRACHII
shaft of humerus (Medial head)
O Supraglenoid tubercle of scapula (Long
head), Coracoid process of scapula I Olecranon process of ulna
(Short head)
N Radial nerve
I Bicipital tuberosity
A Extensors of the elbow joint
N Musculocutaneous nerve
A Supinator of forearm and flexor of
elbow joint; weak flexor of shoulder
joint
M BRACHIALIS
O Front of lower half of humerus
I Coronoid process of ulna
N Musculocutaneous nerve
A Flexor of elbow joint
M FLEXOR DIGITORUM SUPERFICIALIS
O Medial epicondyle of humerus; medial border
of coronoid process of ulna (Humeroulnar
head),
Oblique line on anterior surface of shaft of
radius (Radial head)
I Middle phalanx of medial four fingers
N Median nerve
A Flexes the middle phalanx of fingers and M BRACHIORADIALIS
assist in flexing the proximal phalanx and
hand O Lateral supracondylar ridge of humerus
I Base of the styloid process of radius
M FLEXOR POLLICIS LONGUS
N Radial nerve
O Anterior surface of shaft of radius
A Flexes the forearm at elbow joint;
I Distal phalanx of the thumb rotates forearm in mid prone position
N Anterior interosseous branch of the
median nerve
A Flexes the distal phalanx of the thumb
M FLEXOR CARPI RADIALIS
O Medial epicondyle of humerus
I Base of second and third metacarpal
bone
M SUPINATOR
N Median nerve
O Lateral epicondyle of the humerus,
anular ligament of proximal radioulnar
A Flexes and abducts the hand at wrist
joint,and ulna
joint
I Neck and shaft of radius
N Deep branch of Radial nerve
A Supination of forearm
M FLEXOR CARPI ULNARIS
O Medial epicondyle of humerus (Humeral
head),
M FLEXOR DIGITORUM
Medial aspect of olecranon process & post
PROFUNDUS
border of ulna (Ulnar head)
O Anteromedial surface of the shaft of
ulna
I Pisiform, hook of hamate, base of 5th
metacarpal bone
I Distal phalanx of medial four fingers
N Ulnar nerve
N Ulnar & Median nerve
A Flexes and abducts the hand at wrist joint
A Flexes the distal phalanx of fingers and
assist in flexing the middle & proximal
phalanx & hand/wrist
M LEVATOR SCAPULAE
M EXTENSOR CARPI RADIALIS
O Transverse processes of first four LONGUS
cervical vertebrae
O Lateral supracondylar ridge of humerus
I Medial border of the scapula
I Post. surface base of 2nd metacarpal
N C3 and 4 and dorsal scapular nerve bone
A Raises medial border of scapula upward N Radial nerve
and medially
A Extends & abducts the hand at wrist
joint
M EXTENSOR CARPI ULNARIS
O Lateral epicondyle of the humerus
I Base of fifth metacarpal bone M ABDUCTOR POLLICIS LONGUS
N Deep branch of Radial nerve O Posterior surface of shaft of radius and
ulna
A Extends and adducts hand at wrist joint
I Base of the 1st metacarpal bone
N Deep branch of Radial nerve
A Abducts and extends the thumbs
M ANCONEUS
O Lateral epicondyle of the humerus
I Lateral surface of olecranon process of
ulna M EXTENSOR POLLICIS BREVIS
N Deep branch of Radial nerve O Posterior surface of shaft of radius
A Extends elbow joint I Base of proximal phalanx of thumb
N Deep branch of Radial nerve
A Extends MCP joint of the thumb
M EXTENSOR POLLICIS LONGUS M INTEROSSEI PALMAR (4)
O Posterior surface of shaft of ulna O First arises from base of first
metacarpal; remaining three from
anterior surface of shafts of second,
I Base of distal phalanx of thumb
fourth,and fifth metacarpals
N Deep branch of Radial nerve
I metacarpalsProximal phalanges of thumb
and index, ring, and little fingers and
A Extends distal phalanx of the thumb dorsal extensor expansion of each finger
N Deep branches of ulnar nerve
A Palmar interossei adduct fingers toward
center of third finger
M RHOMBOID MAJOR
M EXTENSOR INDICIS
O T2-T5
O Posterior surface of shaft of ulna
I Medial border of the scapula
I Extensor expansion of index finger
N Dorsal scapular nerve
N Deep branch of Radial nerve
A Raises medial border of scapula upward
A Extends MCP joint of the index finger and medially
M PALMARIS BREVIS M INTEROSSEI DORSAL (4)
O Flexor retinaculum, palmar aponeurosis O Contiguous sides of shaft of metacarpal bones shaft of
metacarpal bones
I Skin of palm
I Proximal phalanges of index,middle, and ring fingers and
dorsal extensor expansion
N Superficial branch of ulnar nerve
N Deep branches of ulnar nerve
A Corrugates the skin to improve grip of
palm
A Dorsal interossei abduct shaft of metacarpal finger from
center of third finger;both palmar and dorsal flexMTP
joints and extend interphalangeal joints
M ABDUCTOR POLLICIS BREVIS
O Scaphoid, trapezium, flexor retinaculum
I Base of proximal phalanx of thumb
N Median nerve
A Abduction of the thumb
M OPPONENS POLLICIS M FLEXOR DIGITI MINIMI
O Flexor retinaculum O Flexor retinaculum
I Shaft of metacarpal bone of thumb I Base of proximal phalanx of little finger
N Median nerve N Deep branches of ulnar nerve
A Pulls thumb medially and forward across A Flexes little finger
palm
M ADDUCTOR POLLICIS M OPPONENS DIGITI MINIMI
O 2nd & 3rd metacarpal bone (Oblique
O Flexor retinaculum
head),
3rd metacarpal bone (Transverse head)
I Medial border of 5th metacarpal bone
I Base of proximal phalanx of thumb
N Deep branches of ulnar nerve
N Deep branches of ulnar nerve
A Pulls 5th metacarpal forward as in
cupping the palm
A Adduction of thumb
M FLEXOR POLLICIS BREVIS
O Flexor retinaculum
I Base of proximal phalanx of thumb
N Median nerve
A Flexes MCP joint of the thumb
M LUMBRICALS
O Tendons of flexors digitorum profundus
I Extensor expansion of medial four
fingers
N 1st & 2nd by median nerve; 3rd & 4th by
deep branch of ulnar nerve
M EXTENSOR DIGITORUM
A Flex metacarpophalangeal joints and
O Lateral epicondyle of the humerus
extend interphalangeal joints of fingers
except thumb
I Middle and distal phalanges of medial four
fingers
N Deep branch of Radial nerve
M EXTENSOR DIGITI MINIMI
A Extends fingers and hand
O Lateral epicondyle of the humerus
I Extensor expansion of littlefinger
N Deep branch of Radial nerve
A Extends MCP joint little fingers
M PRONATOR QUADRATUS
O Anterior surface of shaft of ulna
I Anterior surface of shaft of radius
N Anterior interosseous branch of the
median nerve
A Pronates the forearm
M ABDUCTOR DIGITI MINIMI
O Pisiform bone
M EXTENSOR CARPI RADIALIS
BREVIS
I Base of proximal phalanx of little finger
O Lateral epicondyle of the humerus
N Deep branches of ulnar nerve
I Post. surface base of 3rd metacarpal
A Abducts little finger
bone
N Deep branch of Radial nerve
A Extends & abducts the hand at wrist
joint
MOINA FLASHCARDS
ONESIMUS E. SALAZAR
BSPT - 22
MUSCLES OF UPPER EXTREMITY
MUSCLES OF LOWER EXTREMITY
MUSCLES OF THE
HEAD, FACE, AND NECK
MUSCLES OF THE
BACK AND SPINE
MUSCLES OF THE THORAX
MUSCLES OF THE
PECTORAL GIRDLE
MUSCLES CONNECTING
THE UPPER LIMB
TO THE THORACIC WALL
MUSCLES OF THE
PECTORAL GIRDLE
MUSCLES CONNECTING
THE UPPER LIMB
TO THE VERTEBRAL COLUMN
MUSCLES OF THE
PECTORAL GIRDLE
MUSCLES CONNECTING
THE SCAPULA TO THE HUMERUS
MUSCLES OF THE ARM
MUSCLES OF THE
ANTERIOR FASCIAL COMPARTMENT
MUSCLES OF THE ARM
MUSCLES OF THE
POSTERIOR FASCIAL COMPARTMENT
MUSCLES OF THE FOREARM
MUSCLES OF THE
ANTERIOR FASCIAL COMPARTMENT
MUSCLES OF THE FOREARM
MUSCLES OF THE
LATERAL FASCIAL COMPARTMENT
MUSCLES OF THE FOREARM
MUSCLES OF THE
POSTERIOR FASCIAL COMPARTMENT
SMALL MUSCLES
OF THE HAND
SMALL MUSCLES
OF THE THUMB
SMALL MUSCLES
OF THE LITTLE FINGER