Origins, Insertions, Actions, Innervation- Upper Muscles

radial nerve

radial nerve

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skull, cervical and thoracic vertebrae

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spine of scapula, acromion, clavicle

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Cranial nerve XI/accessory nerve

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intertubercular sulcus

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thorcadorsal nerve

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elevation of scapula

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C3-C4

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vertebrae C7 and T1

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adduction of scapula

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dorsal scapular nerve

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ribs 2-5

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coracoid process of sapula

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medial border of scapula

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long thoracic nerve

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suprascapular nerve

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lateral rotation of arm

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lateral border of infraspinous fossa

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greater tubercle of humerus

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lesser tubercle of humerus

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crest of lesser tubercle

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lower subscapular nerve

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extend forearm

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coracoid process

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radial tuberosity

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musculocutaneous nerve

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lower anterior surface of humerus

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pronate forearm

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flex and abduct hand

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flex hand

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flex digits 2-5

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flex thumb

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median nerve

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radial nerve

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radial nerve

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extend thumb

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lumbricals/dorsal interossei/palmar interossei

small hand muscles

radial nerve

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elevate, depress, adduct, upward rotation of scapula

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thoracic and lumbar vertebrae, sacrum, iliac crest

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medial rotation, extension, adduction of arm

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vertebrae C1-C4

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medial border of scapula above spine

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medial border of scapula at spine

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adduction of scapula

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dorsal scapular nerve

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vertebrae T2-T5

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medial border of scapula below spine

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clavicle (medial half), sternum, costal cartilage 1-6

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crest of greater tubercle

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adduct, medially rotate, flex arm at shoulder

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medial and lateral pectoral nerve

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depress scapula

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medial pectoral nerve

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ribs 1-8

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upward rotation of scapula

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spine of scapula, acromion, clavicle

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deltoid tuberosity

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flex, extend, medially rotate, laterally rotate, abduct arm

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axillary nerve

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supraspinous process of scapula

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greater tubercle of humerus

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abduct arm at shoulder

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infraspinous fossa of scapula

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greater tubercle of humerus

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suprascapular nerve

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lateral rotation of arm

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axillary nerve

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subscapular fossa

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medial rotation of arm

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upper and lower subscapular nerves

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inferior angle of infraspinous fossa

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adduct, medially rotate arm

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infraglenoid tubercle (of scapula)

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humerus above radial groove (nerve)

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humerus below radial groove (nerve)

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olecranon process of ulna

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radial nerve

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supraglenoid tubercle (of scapula)

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flex and supinate forearm

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coracoid process

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middle medial humerus

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flexion of arm

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musculocutaneous nerve

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coronoid process of ulna

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flexion of forearm

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musculocutaneous nerve

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median nerve

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median nerve

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median nerve

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flex and adduct hand

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ulnar nerve

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flex digits 2-5

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median nerve

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median and ulnar nerves

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pronate hand at wrist

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median nerve

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flex forearm

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radial nerve

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extend and abduct hand

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