Appendicular Musculature - Part 1 Flashcards
Pectoralis minor
O: anterior surface of ribs 3-5
I: coracoid process of scapula
A: protracts/depresses scapula
Serratus anterior
O: ribs 1-8
I: medial border of scapula
A: laterally rotates scapula
Trapezius
O: occipital bone
I: lateral third of clavicle
A: stabilizes scapula
Levator scapulae
O: transverse processes of c1-c4
I: upper medial border of scapula
A: elevates scapula, adducts scapula
Rhomboids
O: spinous process of c7-t5
I: Medial border of scapula
A: adducts scapula, rotates scapula
Pectoralis major
O: sternum, clavicle
I: greater tubercle of humerus
A: flexes, adducts arm
Deltoid
O: acromion of scapula
I: deltoid tuberosity of humerus
A: abducts arm
Latissimus dorsi
O: ribs 9-12
I: intertubercular groove of humerus
A: extends, adducts arm
Subscapularis
O: Subscapular fossa of scapula
I: lesser tubercle of humerus
A: Medially rotates arm
Supraspinatus
O: supraspinous fossa of scapula
I: greater tubercle of humerus
A: abducts arm
Infraspinatus
O: Infraspinous fossa of scapula
I: greater tubercle of humerus
A: laterally rotates arm
Teres minor
O: lateral border of scapula
I: greater tubercle of humerus
A: laterally rotates arm
Teres major
O: inferior border of scapula
I: lesser tubercle of humerus
A: medially rotates arm, adducts arm
Coracobrachialis
O: coracoid process of scapula
I: medial shaft of humerus
A: flexes arm, adducts arm
Triceps brachii
O: posterior shaft of humerus
I: olecranon process of ulna
A: extends forearm
