3: Scapula & Arm Bones

Question 1

consists of the scapula and the humerus

Answer 1

shoulder joint

Question 2

shallow cavity where the humeral head goes

Answer 2

glenoid fossa

Question 3

cartilage that goes around the glenoid fossa

Answer 3

glenoid labrum

Question 4

glenoid fossa and glenoid labrum together make this

Answer 4

glenoid cavity

Question 5

NOT at true joint. no ligaments or articular capsule. scapula just rest on the muscle over top the rib cage, allowing for passive movements

Answer 5

scapulothoracic joint

Question 6

where the clavicle and the sternum articulate. movement is slight in all directions and of a gliding, rotational type

Answer 6

sternoclavicular joint

Question 7

where the clavicle and scapula (acromion process) articulate. movement is a slight gliding when elevation and depression take place

Answer 7

acromioclavicular joint

Question 8

the shoulder joint

Answer 8

glenohumeral joint

Question 9

helps to stabilize and move the scapula. elevation, depression, upward and downward rotation

Answer 9

scapulothoracic joint

Question 10

small amount of movement as ROM increases, clavicle tilts up

Answer 10

sternoclavicular joint

Question 11

permits greater ROM. connects collarbone to shoulder blade

Answer 11

acromioclavicular joint

Question 12

most flexible joint. mobility over stability

Answer 12

glenohumeral joint

Question 13

acts as a strut maintaining the upper limb away from the thorax, which allows the greater ROM to occur

Answer 13

clavicle

Question 14

functions as the joint capsule by tying together and totally surrounding the lateral end of the clavicle and the acromion process

Answer 14

acromioclavicular ligament

Question 15

has anterior, superior, and posterior fibers to help with the SC articulation

Answer 15

sternoclavicular ligament

Question 16

when the humerus head comes completely out of the joint, ball comes out of socket. usually occurs when arm is abducted and shoulder flexion (arm raised up). once out of socket, arm hangs limp

Answer 16

shoulder dislocation

Question 17

separation of the clavicle from the acromion process

Answer 17

shoulder separation, acromioclavicular separation

Question 18

when the shoulder comes out and then goes back in on its own. typically bone rubbing on bone instead of gliding.

Answer 18

subluxation

Question 19

when the supraspinatus tendon is compressed between the humeral head and the acromion process, which causes pain and weakness in the shoulder

Answer 19

shoulder impingement

Question 20

often fractured. susceptible to compressive forces and blows. will break if you fall on an outstretched arm. only bony attachment that the upper extremity has to the trunk

Answer 20

clavicle

Question 21

lateral rounded condyle of humerus

Answer 21

capitulum

Question 22

medial pointy condyle of humerus

Answer 22

trochlea

Question 23

divot between condyles on anterior side of humerus

Answer 23

coronoid fossa

Question 24

big divot on posterior side of humerus

Answer 24

olecranon fossa

Question 25

located beneath the anterior surface of the joint capsule and helps reinforce the joint cavity (superior, middle, and inferior)

Answer 25

glenohumeral ligament

Question 26

goes between the anatomical neck of the humerus and the coracoid process of the scapula

Answer 26

coracohumeral ligament

Question 27

crosses between the coracoid process and the acromion process of the scapula. this helps limit the superior movement of the humeral head

Answer 27

coracoacromial ligament

Question 28

has the prominent role of articulating with the humerus

Answer 28

ulna

Question 29

has the prominent role of articulating with the bones of the wrist

Answer 29

radius

Question 30

true elbow joint

Answer 30

ulnohumeral joint

Question 31

where the capitulum from the humerus articulates with the head of the radius

Answer 31

radiohumeral joint

Question 32

head of radius articulates with radial notch of the ulna

Answer 32

proximal radioulnar joint

Question 33

wraps around the radius and allows some rotation to occur

Answer 33

annular ligament

Question 34

distal ends of both radius and ulna articulate

Answer 34

distal radioulnar

Question 35

ligament that connects humerus to ulna

Answer 35

medial collateral ligament

Question 36

ligament that connects humerus to radius

Answer 36

lateral collateral ligament

Question 37

dorsal and palmar side ligaments to connect distal ends of radius and ulna

Answer 37

radioulnar ligaments