Shoulder anatomy

Question 1

Shoulder is what typ of joint

Answer 1

ball and socket

Question 2

shoulder is most _____ and least ____ joint

Answer 2

most mobile and least stable

Question 3

what is the glenoid labrum

Answer 3

fibrocartilage ring attached to the rim of the glenoid fossa, which deepens the cavity.

Question 4

what is the surgical neck

Answer 4

where the head meets the body

Question 5

what is the anatomical neck

Answer 5

where the head meets the tubercles.

Question 6

what is the greater tubercle/ tuberosity and what attaches (2)

Answer 6

large projection lateral to the head. Supraspinatus, infraspinatus attach here.

Question 7

what is the less tubercle/tuberosity and what attaches

Answer 7

smaller projection on the anterior surface, subscapularis and teres minor attaches here.

Question 8

where is the deltoid tuberosity and what attaches

Answer 8

lateral side, near the midpoint, deltoid attaches here.

Question 9

what is the bicipital grove and what does it contain

Answer 9

groove between the tubercles containing the long head of the biceps tendon

Question 10

what bones make up the shoulder (3)

Answer 10

humerus, scapula, clavicle

Question 11

anterior deltoid origin

Answer 11

front and top of lateral third of clavivle

Question 12

anterior deltoid insertion

Answer 12

deltoid tuberosity on outer surface of humeral shaft

Question 13

anterior deltoid movement

Answer 13

forward flexes and internally rotates humerus

Question 14

lateral deltoid origin

Answer 14

lateral border of acromion process of scapula

Question 15

lateral deltoid insertion

Answer 15

deltoid tuberosity on outer surface of humeral shaft

Question 16

lateral deltoid movement

Answer 16

abducts humerus following initiation of movement by supraspinatus muscle of rotator cuff

Question 17

posterior deltoid origin

Answer 17

spine of scapula

Question 18

posterior deltoid insertion

Answer 18

deltoid tuberosity on outer surface of humeral shaft

Question 19

posterior deltoid movement

Answer 19

extends and externally rotates humerus

Question 20

pectoralis major originates

Answer 20

along the sternum and clavicle, inserts on the humerus

Question 21

pec major functions to: (3)

Answer 21

adduct
flex
medially rotate the arm.

Question 22

trapezius starts at base of ____, runs out to tip of ______ and down to the ___ thoracic vertebrae

Answer 22

Skull
shoulder
12th

Question 23

what does the trapezius function to do

Answer 23

shrug and square the shoulders

Question 24

rhomboids are group of two muscles that run _______ from the _____ to the _____ border of the ______

Answer 24

diagonally
from the spine
medial border of the scapula

Question 25

rhomboids function to

Answer 25

retract the scapula

Question 26

what gives wing like appearance to the sides

Answer 26

latissimus dorsi

Question 27

latissimus dorsi starts along the _________ of back and inserts on the _______ aspect of _______

Answer 27

thoracic vertebrae | anterior aspect of the humerous

Question 28

latissimus dosi functions to

Answer 28

extend , adduct and medially rotate the arm

Question 29

little helper of the lates

Answer 29

teres major

Question 30

teres major runs from the _________ to the ___________

Answer 30

axillary boarder of the scapula | lesser tubercle of the humerus

Question 31

coracobrachialis attaches to the _______ and the arm or ________.

Answer 31

coracoid process | Brachium

Question 32

choracobrachialis Stabalizes the ______.

Answer 32

humerus in the fossa

Question 33

rotator cuff muscles (4)

Answer 33

supraspinatus infraspinatus teres minor subscapularis

Question 34

Supraspinatus- _____ - _____ shoulder. It is ______ to the spine of the scapula. the movement is ______

Answer 34

anterior-superior superior abduction

Question 35

infraspinatus is located _____- ____ shoulder. _______ to the spine of the scapula. the movement is_______

Answer 35

posterior-inferior inferior external rotation

Question 36

teres minor is ____ shoulder and functions in what movement

Answer 36

posterior shoulder | functions in adduction

Question 37

Subscapularis is _______shoulder and functions in what movement

Answer 37

anterior | internal rotation

Question 38

The four rotator cuff muscles cover ________ and hold the head against the __________.

Answer 38

the humeral head | glenoid fossa