Deltoid - Origin

Acromion, clavicle, & spine of scapula

Deltoid - Insertion

Deltoid tuberosity

Deltoid - Action

Flexion, abduction, & extension of arm

Deltoid - Innervation

Axillary nerve

Biceps Brachii (Long Head) - Origin

Supraglenoid tubercle

Biceps Brachii (Short Head) - Origin

Coracoid process

Biceps Brachii - Insertion

Radial tuberosity is the

Biceps Brachii - Action

Flexion of humerus; flexion & supination of the forearm

Biceps Brachii - Innervation

Musculocutaneous nerve

Coracobrachialis - Origin

Coracoid process

Coracobrachialis - Insertion

Humeral shaft

Coracobrachialis - Action

Flexion & adduction of humerus

Coracobrachialis - Innervation

Musculocutaneous nerve

Brachialis - Origin

Humeral shaft

Brachialis - Insertion

Coronoid process

Brachialis - Action

Flexion of elbow

Brachialis - Innervation

Musculocutaneous nerve

Triceps (Long Head) - Origin

Infraglenoid tubercle

Triceps (Lateral Head) - Origin

Posterior humeral shaft

Triceps (Medial Head) - Origin

Posterior humeral shaft

Triceps - Insertion

Olecranon process

Triceps - Action

Extension of elbow & humerus

Triceps - Innervation

Radial nerve