Muscles of the shoulder girdle

• Trapezius
• Latissimus Dorsi
• Levator Scapulae
• Rhomboideus major and minor

• Deltoid
• Teres major
• Rotator cuff muscles: suprispinatus, infraspinatus, teres minor, subscapularis

• coracobrachialis
• biceps brachii
• brachialis

• triceps brachii
• anconeus

O: Medial 1/3 of sup. nuchal line, EOP, ligamentum nuchae, SP of C7-T12

I: Lateral 1/3 of clavicle, acromion proccess and spine of scapula

V: Accesory nerve (CNXI) cervical nerve (C3, C4)

O: SP of T7-S5 via thoracolumbar fascia, post. illiac crest, ribs 10-12, inf. angle of scapula

I: floor of bicipetal groove, med. lip of bicipetal groove

V: Thoracodorsal n (C(6), 7, 8)

O: post. tubercles of TVP of C1-C4

I: med. border of scapula sup. to spine

• V: Dorsal scapular n (C5)
• cervical n (C3, C4)

O: Minor: SP of C7-Ti, Major: SP of T2-T5

I: Med. border of scapula (minor: root and up, Major, below)

V: Dorsal scapula n (C5)

O: Lat. 1/3 of clavicle, inf. border ofacromion process and spine of scapula

I: Deltoid tuberosity

V: Axillary nerve (C5, 6)

O: lower 1/3 of lat. border of scapula, across inf. angle to medial border, exclding tip

I: medial lip of bicipetal groove (crest of lesser tubercle

V: suprascapular nerve (C 5, 6)

note: in through the axilla

O: supraspinous fossa

I: sup. facet of greater tubercle, joint capsule

V. suprascapular nerve (C5, 6)

O: Infraspinous fossa

I: middle facet of greater tubercle, joint capsule

V. Suprascapular (C5, 6)

O: lat. border of scapula (post. surface, sup. 2/3)

I. inf. facet of greater tubercle, joint capsule

V. axillary nerve (C5, 6)

O. subscapular fossa

I. lesser tubercle of humerus, joint capsule

V. upper and lower subscapular nerves (C5,6)

• O: Clavicular head: Ant. surface of med. half of clavicle
• Sternocostal head: Ant. surface of sternum and costal cartilage of ribs 1-6
• Abdominal head: Aponeurosis of external obliques

I: Lat. lip of intertubercular sulcus and crest of greater tubercle of humerus

V: Lateral and medial pectoral nerves (C5-7, C8-T1)

O: Ribs 3-5

I: Coracoid process of scapula, medial surface

V: Medial pectoral n (C8-T1)

O: Ribs 1-8 or 9

I: Ant. surface of med. border of scapula and inf. angle

V: Long thoracic nerve (C5-C8)

O: 1st rib and costal cartilage

I: Subclavian groove of clavicle

V: Nerve to subclavius (C5, 6)

O: Coracoid process (w/sh. head of biceps brachii)

I: Middle of med. shaft of humerus

V: Musculocutaneous n (C5-C7)

• O: Sh. head: coracoid process of scapula
• L. head: Supraglenoid tubercle of scapula

I: Radial tuberosity and bicipetal aponeurosis of radius

V: Musculocutaneous n (C5-7)

O:Distal 1/2 of ant. shaft of humerus

I: Coronoid process and ulnar tuberosity

V: Musculocutaneous n (C5-7)

• O: Long head: Infraglenoid tubercle of scapula
• Lateral head: Lateral and posterior surface of humerus, superior to radial groove
• Medial head: Posterior surface of humerus, inf. to radial groove

I: Olecranon process of ulna

V: Radial n (C5-T1)

O:Lat. epicondyle of humerus, post. surface

I: olecranon proccess and prox. post. shaft of ulna

V: Radial n (C5-T1)