Origin: sup. nuchal line, ext occipital protuberance, ligamentum nuchae, spinous processes of CV VII to TV XII

Insertion: lateral 1/3 clavicle, acromion, spine of scapula

Innervation: CN XI

Artery:

Origin: spinous processes of TV VI to LV V and sacrum, iliac crest, and ribs X to XII

Insertion: intertubercular groove

Innervation: dorsal scapular

Artery

Origin: transverse processes of CV I-IV

Insertion: superior angle of scapula

Innervation: dorsal scapular

Origin: Spinous processes CV VII to TV V

Insertion: Medial border of Scapula

Innervation: Dorsal Scapular

Origin: spine of scapula, lateral 1/3 of clavicle, acromion

Insertion: deltoid tuberosity

Innervation: axillary n.

Origin: Supraspinous fossa

Insertion: Superior facet of greater tubercle

Innervation: suprascapular

Origin: Infraspinous fossa

Insertion: Middle facet of greater tubercle

Innervation: suprascapular n.

Origin: lateral scapular border superior to inferior angle

Insertion: medial lip of intertubercular sulcus

Innervation: lower subscapular

Origin: lateral scapular border superior to teres minor

Insertion: Inferior facet of greater tubercle

Innervation: axillary n.

Origin: subscapular fossa

Insertion: lesser tubercle of humerus

Innervation: upper and lower subscapular nerves

Origin: medial 1/2 of clavical, anterior surface of sternum

Insertion: lateral lip of intertubercular sulcus

Innervation: medial and lateral pectoral n.

Origin: Ribs 3-5

Insertion: coracoid process

Innervation: medial pectoral n.

Origin: first rib

Insertion: Inferior surface of clavicle

Innervation: n. to subclavius

Origin: lateral surface of 1st 8-9 ribs

Insertion: costal surface of medial scapular border

Innervation: long thoracic n.

axillary nerve and posterior circumflex humeral artery and vein

subscapularis, teres major, lat. dorsi, long head of triceps brachii

radial nerve and profunda brachii artery

teres major, humerus, long head of triceps brachii

circumflex scapular artery

subscapularis, long head of triceps brachii, teres major

branch of first part of axillary artery

supplies part of 1st intercostal space

2nd part of axillary artery

branches: pectoral, deltoid, clavicular, and acromial

2nd part of axillary artery

accompanies long thoracic artery; supplies anterior serratus and breast

3rd part of axillary artery

splits into circumflex scapular and thoracodorsal arteries

from subscapular artery; through triangular space

collateral circulation around the scapula

from subscapular artery

supplies lat. dorsi m; accompanies thoracodorsal n

post. larger; accompanies axillary n. through quadrangular space;

together, provide blood to deltoid m.

motor to anterior arm and sensory to forearm

from lateral cord (C5-C7)

Origin: corocoid process

Insertion: medial mid-shaft of humerus

Innervation: musculocutaneous n.

Origin: long head - supraglenoid tubercle of scapula

short head - coracoid process

Insertion: radial tuberosity of radius

Origin: anterior aspect of distal humerus and IMS

Insertion: tuberosity of ulna

Innervation: musculocutaneous

Origin: long head - infraglenoid tubercle

medial head - humeral shaft inferior to radial grove

lateral head - humeral shaft superior to radial grove

Insertion: olecranon

Innervation: radial n.

stabilizes acromioclavicular joint

trapezoid ligament and conoid ligament

origin: humeral head from common flexor tendon

ulnar head from medial side of coronoid process

insertion: lateral surface of mid-shaft of radius

Innervation: medial n.

origin: common flexor tendon (medial epicondyle)

insertion: palmer aponeurosis

Innervation: median n.

Origin: humeral head - flexor tendon (medial epicondyle)

ulnar head - from olecranon and posterior ulna

Insertion: pisiform, hamate, and base of metacarpal V

Innervation: ulnar n.

origin: anterior surface of radius and radial half of interosseous membrane

Insertion: base of distal phalanx of thumb

innervation: median n. (anterior interosseous)

Origin: humero-ulnar head - medial epicondyle and adjacent margin of coronoid process

radial head - oblique line of radius

insertion: intermediate phalanges of digits II-V

Origin: anterior and medial surface of ulna and medial half of interosseous membrane

Insertion: distal phalanx of digits II-V

Innervation: lateral half by median n (ant. inteross.) and medial half by ulnar n.

Innervation: median n.

origin: distal anterior surface of ulna

Insertion: distal anterior surface of radius

Innervation: median n. (ant. interosseous n )

origin: lateral supracondylar ridge

Insertion: lateral distal radius

innervation: distal n.

origin: lateral epicondyle

insertion: olecranon and posterior surface of ulna

innervation: radial n.

origin: lateral supracondylar ridge

insertion: base of metacarpal II

innervation: radial n.

origin: common extensor tendon

Insertion: base of metacarpals II and III

Innervation: radial n. (deep radial n.)

origin: common extensor tendon and posterior border of ulna

insertion: base of metacarpal V

innervation: radial n. (posterior interosseous n.)

Origin: common extensor tendon

Insertion: extensor hoods of digits II-V

Innervation: radial n. (post. interosseous n.)

origin: common extensor tendon

Insertion: extensor hood of digit V

Innervation: radial n. (post. interosseous n.)

origin: superficial part from lateral epidonyle - deep part from supinator crest of ulna

Insertion; lateral proximal radius

Innervation: radial n. (deep radial n.)

Origin: posterior surface of ulna distal to EPL and adjacent interosseous membrane

Insertion: dorsal hood of digit II

Innervation: radial n. (posterior interosseous n.)

origin: posterior surface of ulna distal to APL and adjacent interosseous membrane

Insertion: distal phalanx of thumb

Innervation: radial n. (post. interosseous n.)

origin: posterior surface of radius distal to APL and adjacent interosseous membrane

Insertion: proximal phalanx of thumb

Innervation: radial n.

origin: proximal posterior surfaces of radius and ulna and adjacent interosseous membrane

Insertion: lateral base of metacarpal I

Innervation: radial n. (posterior interosseous n.)