OINA- Upper-EXTREMETIES (ORIGIN, INSERTION, NERVE SUPPLY, INNEVATION PDF

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Summary

PECTORALIS MAJORO Clavicle,Sternum, andUpper Six Costal Cartilages I Lateral lip of the bicipital groove of humerus N Medial plexus andLateral pectoral nerves from brachialA Adducts armalso flex armandrotates it medially; clavicular fibersPECTORALIS MINORO 3rd, 4thand5th rib I Coracoid process of sc...

Description

PECTORALIS MAJOR O

Clavicle, Sternum, and Upper Six Costal Cartilages

I

Lateral lip of the bicipital groove of humerus

N

Medial and Lateral pectoral nerves from brachial plexus

A

Adducts arm and rotates it medially; clavicular fibers also flex arm

PECTORALIS MINOR O

3rd, 4th and 5th rib

I

Coracoid process of scapula

N

Medial pectoral nerve from brachial plexus

A

Depressess joint of shoulder; if the scapula is fixed, it elevates the ribs of origin

SUBCLAVIUS O

First costal cartilage

I

Clavicle

N

Nerve to subclavius from upper trunk of brachial plexus

A

Depresses the clavicle and steadies this bone during movements of the shoulder girdle

SERRATUS ANTERIOR O

Upper 8 rbs

I

Medial border and inferior angle of the scapula

N

Long thoracic nerve

A

Draws scapula forward around the thoracic wall; rotates scapula

TRAPEZIUS O

Occipital bone, ligamentum nuchae, spine of 7th cervical vertebra, spines of all thoracic vertebra

I

Upper fibers into lateral third of clavicle, middle and lower fibers into acromion and spine of the scapula

N

Spinal part of accessory nerve (motor), C3 and C4 (sensory)

A

Upper fibers elevate the scapula; Middle fibers pull the scapula medially; Lower fibers pull medial border of the scapula forward

LATISSIMUS DORSI O

Iliac crest, Lumbar fascia, Spines of lower 6 thoracic vertebrae, Lower 3 or 4 ribs , and Inferior angle of the scapula

I

Floor of bicipital groove of humorous

N

Thoracodorsal nerve

A

Extends, adducts and medially rotated the arm

LEVATOR SCAPULAE O

Transverse processes of first 4 cervical vertebrae

I

Medial border of the scapula

N

C3 and C4 ; Dorsal scapular nerve

A

Raises medial border of scapula

RHOMBOID MINOR O

Ligamentum nuchae and spines of 7th cervical vertebrae and 1st thoracic vertebra

I

Medial border of the scapula

N

Dorsal scapular nerve

A

Raises medial border of scapula upward and medially

RHOMBOID MAJOR O

2nd to 5th thoracic spines

I

Medial border of scapula

N

Dorsal scapular nerve

A

Raises medial border of scapula upward and medially

DELTOID O

Lateral 3rd of clavicle, Acromion, Spine of scapula

I

Middle of lateral surface of shaft of humerus

N

Axillary nerve

A

Abducts arms; Anterior fibers flex and medially rotates arm; Posterior fibers extend and laterally rotate arm

SUPRASPINATUS O

Supraspinous fossa of scapula

I

Greater tuberosity of humerus; Capsule of shoulder joint

N

Supeascapular nerve

A

Abducts arm and stabilizes shoulder joint

INFRASPINATUS O

Infraspinous fossa

I

Greater tuberosity of humerus; Capsule of shoulder joint

N

Suprascapular nerve

A

Laterally rotates arm and Stabilizes shoulder joint

TERES MINOR O

Upper ⅔ of lateral border of the scapula

I

Greater tuberosity of the humerus; Capsule of the shoulder joint

N

Axillary nerve

A

Laterally rotates arm, Stabilizes shoulder joint

TERES MAJOR O

Lower 3rd of lateral border of scapula

I

Medial lip of bicipital groove of humerus

N

Lower subscapular nerve

A

Medially rotates and adducts arm; Stabilizes shoulder joint

SUBSCAPULARIS O

Subscapular fossa

I

Lesser tuberosity of humerus

N

Upper and lower subscapular nerve

A

Medially rotates arm and stabilizes shoulder joint

BICEPS BRACHII LONG HEAD O

Supraglenoid tubercle of scapula

I

Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm

N

Musculocutaneous nerve

A

Supinator of forearm and flexor of elbow joint; weak flexor of shoulder joint

SHORT HEAD O

Coracoid process of scapula

I

Tuberosity of radius and bicipital aponeurosis into deep fascia of forearm

N

Musculocutaneous nerve

A

Supinator of forearm and flexor of elbow joint; weak flexor of shoulder joint

CORACOBRACHIALIS O

Coracoid process of scapula

I

Medial aspect of shaft of humerus

N

Musculocutaneus nerve

A

Flexes arm and weak adductor

BRACHIALIS O

Front of lower half of humerus

I

Coronoid process of ulna

N

Musculocutanueos nerve

A

Flexor of elbow joint

TRICEPS BRACHII LONG HEAD O

Infraglenoid tubercle of scapula

I

Olecranon process of ulna

N

Radial nerve

A

Extensor of elbow joint

LATERAL HEAD O

Upper half of posterior surface of shaft of humerus

I

Olecranon process of ulna

N

Radial nerve

A

Extensor of elbow joint

MEDIAL HEAD O

Lower half of posterior surface of shaft of humerus

I

Olecranon process of ulna

N

Radial nerve

A

Extensor of elbow joint

PRONATOR TERES HUMERAL HEAD O

Medial epicondyle of humerus

I

Lateral aspect of the shaft of radius

N

Median nerve

A

Pronation and flexion of forearm

ULNAR HEAD O

Medial border of coronoid process of ulna

I

Lateral aspect of the shaft of radius

N

Median nerve

A

Pronation and flexion of forearm

FLEXOR CARPI RADIALIS O

Medial epicondyle of humerus

I

Bases of 2nd and 3rd metacarpal bones

N

Median nerve

A

Flexes and abducts hand at wrist joint

PALMARIS LONGUS O

Medial epicondyle of humerus

I

Flexor retinaculum and palmar aponeurosis

N

Median nerve

A

Flexes hand

FLEXOR DIGITORUM SUPERFICIALIS HUMEROULNAR HEAD O

Medial epicondyle of humerus; Medial border of coronoid process of ulna

I

Middle phalanx of medial four fingers

N

Median nerve

A

Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand

RADIAL HEAD O

Oblique line on anterior surface of shaft of radius

I

Middle phalanx of medial four fingers

N

Median nerve

A

Flexes middle phalanx of fingers and assists in flexing proximal phalanx and hand

FLEXOR CARPI ULNARIS HUMERAL HEAD O

Medial epicondyle of humerus

I

Pisiform bone, hook of the hamate, base at 5th metacarpal bone

N

Ulnar nerve

A

Flexes and adducts hand at wrist joint

ULNAR NERVE O

Medial aspect of olecranon process and posterior border of ulna

I

Pisiform bone, hook of the hamate, base at 5th metacarpal bone

N

Ulnar nerve

A

Flexes and adducts hand at wrist joint

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