shoulder joint

Question 1

where do the muscles of the shoulder joint insert?

Answer 1

(I) on the humerus; causes movement of the humerus

Question 2

what are the bony landmarks of the shoulder joint?

Answer 2

clavicle, sternum, humerus, scapula

Question 3

bony landmarks of the humerus

Answer 3

greater tubercle, bicipital groove, lesser tubercle, deltoid tuberosity

Question 4

bony landmarks of the scapula

Answer 4

medial border of scapula, superior angle of scapula, lateral border of scapula, acromion process, coracoid process

Question 5

movements of the shoulder joint

Answer 5

flexion/extension
abduction/adduction
internal rotation/external rotation
horizontal abduction/horizontal adduction

Question 6

eight (8) muscles of the shoulder joint

Answer 6

deltoid
pectoralis major
coracobrachialis
biceps brachii
latissimus dorsi
teres major
triceps brachii
rotator cuff

Question 7

what muscles make up the rotator cuff

Answer 7

supraspinatus
infraspinatus
teres minor
subscapularis

Question 8

action of the deltoid muscle

Answer 8

abduction of the shoulder (entire muscle)

Question 9

anterior fibers of the deltoid muscle

Answer 9

internal rotation
horizontal adduction
flexes shoulder

Question 10

posterior fibers of the deltoid muscle

Answer 10

external rotation, horizontal abduction, extends shoulder