EXPH 440 EXAM 2 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

EXPH 440 EXAM 2 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. what consists the upper extremity
Answer:
pectoral girdle shoulder arm hand

Question:
2. is the shoulder girdle complete
Answer:
no, it is an incomplete girdle

Question:
3. what is an advantage to having an incomplete girdle
Answer:
range of motion

Question:
4. disadvantage of an incomplete girdle
Answer:
strength

Question:
5. movements of the shoulder girdle
Answer:
elevation/depression protraction/retraction upward/downward rotation upward tilt/reduction of upward tilt

Question:
6. which joint is the strongest in the shoulder girdle
Answer:
sternoclavicular joint (SC joint)

Question:
7. what is the scapulothoracic glenohumeral rhythm
Answer:
shoulder and girdle move together (2:1) G:S

Question:
8. what is the ratio of the scapulohumeral rhythm
Answer:
scapula and humerus move in 1:2 ratio

,Question:
9. when the arm is abducted 180 degrees, how much occurs by the rotation of the scapula and the humerus
at the shoulder joint
Answer:
scapula -- 60 degrees
humerus -- 120 degrees

Question:
10. sternal end of clavicle articulates with
Answer:
sternum

Question:
11. the acromial end of the clavicle articulates with
Answer:
acromion of scapula

Question:
12. point of the scapula
Answer:
acromion

Question:
13. beak of the scapula
Answer:
coracoid process

Question:
14. what are the 3 angles of the scapula
Answer:
superior, inferior, lateral

Question:
15. what are the 3 borders of the scapula
Answer:
superior, medial (vertebral), lateral (axillary)

Question:
16. what are the joints in the shoulder girdle
Answer:
physiological scapulothoracic joint
acromioclavicular joint
sternoclavicular joint

Question:
17. what is the only bony connection between the humerus and axial skeleton

,Answer:
sternoclavicular joint (SC joint)

Question:
18. what joint permits limited motion of the clavicle
Answer:
SC joint

Question:
19. what joint is partially responsible for movements of the scapula
Answer:
SC joint

Question:
20. clavicle movements at the SC joint
Answer:
-elevation & depression
-protraction & retraction
-forward & backward rotation --"tilt"

Question:
21. ligaments at the SC joint
Answer:
anterior/posterior sternoclavicular
interclavicular
costoclavicular

Question:
22. what ligament joins sternal head of clavicle to manubrium of sternum and is very thick and strong
Answer:
anterior/posterior sternoclavicular

Question:
23. what ligament joins the opposing sternal heads of each clavicle across the manubrium
Answer:
interclavicular

Question:
24. what ligament joins the sternal head of clavicle to the first rib
Answer:
costoclavicular

Question:
25. when is the interclavicular ligament most vulnerable
Answer:
when a force is pushing down from above

, Question:
26. what joint is the articulation of acromion and distal end of clavicle
Answer:
AC joint

Question:
27. movement of AC joint
Answer:
upward/forward tilt

Question:
28. ligaments of the AC joint
Answer:
acromioclavicular
coracoclavicular
coracoacromial

Question:
29. what ligament joins the acromion process to the distal end of the clavicle
--its strong and prevents most movements
Answer:
acromioclavicular

Question:
30. what ligament has 2 ligaments spanning the gap between the coracoid process to the distal clavicle
--holds clavicle in check (trapezoid and conoid)
Answer:
coracoclavicular

Question:
31. what ligament joins the coracoid process to the acromion
--creates tunnel of protection and helps stabilize head of humerus
Answer:
coracoacromial

Question:
32. what ligament spans across the suprascapular notch
Answer:
transverse scapular ligament

Question:
33. does the suprascapular artery, nerve and vein go under or over the notch
Answer:
nerve -- under artery and vein -- over

Question:
34. what AC joint sprain grade is the worst