Muscles of the Shoulders and Arms

Muscles of the Shoulders and Arms
Action	Muscle	Origin	Insertion
*Muscles that move the Shoulder Girdle*
Elevator	Levator Scapulae	cervical 1-4	scapula, medial
	Trapezius	occipital thoracic	scap., clavicle
Depressor	Pectoralis Minor	3-5 ribs	scap., coracoid
Abductor	Serratus Anterior	1-9 ribs	scapula, medial
Adductor	Rhomboideus Major	thoracic	scapula, medial
*Muscles that move the Upper Arm*
Abductors	Deltoid	scapula, acromion	humerus deltoid
Adductors	Pectoralis Major	ribs stern clav	humerus greater
	Latissimus Dorsi	thoracic lumbar	humerus lesser
Flexors	Pectoralis Major	ribs stern clav	humerus greater
Extensors	Triceps (long)	scapula	ulna, olecranon
*Muscles that move the Lower Arm*
Flexors	Biceps Brachii	scapula	radius, radial
Extensors	Triceps (lat/med)	humerus	ulna, olecranon
*Muscles that move the Wrist*
Flexors	Flexor Carpi Radialis	humerus, medial	metacarpal 2
	Flexor Carpi Ulnaris	humerus ulna	metacarpal 3-5
Extensors	Extensor Carpi Radialis	humerus, lateral	metacarpal 2
	Extensor Carpi Ulnaris	humerus ulna	metacarpal 5
*Muscles that move the Fingers*
Flexors	Flexor Digitorum Superficialis	humerus radius	phalanges 2
Extensors	Extensor Digitorum	humerus	phalanges 2-5