3 and 4: anatomy (Alsup)

Question 1

The pectoral girdle is composed of what two bones?

Answer 1

clavicle and scapula

Question 2

what are the two ends of the clavicle?

Answer 2

the sternal end and the acromial end

Question 3

what joint is found on the sternal end of the clavicle?

Answer 3

sternoclavicular joint

Question 4

what joint is found on the acromial end of the clavicle?

Answer 4

AC joint

Question 5

fractured clavicles can affect what vessel/nerve?

Answer 5

brachial plexues, and subclavian artery

Question 6

part of scapula that forms joint with the humerus?

Answer 6

glenoid fossa

Question 7

largest bone of the free upper limb?

Answer 7

humerus

Question 8

two bumps/build up of bone at the proximal end of humerus?

Answer 8

the greater and lesser tubercle, (lesser is more anterior)

Question 9

which of the two necks of the humerus is closer to the head?

Answer 9

anatomical neck. (surgical neck is more distal)

Question 10

what nerve surrounds the surgical neck?

Answer 10

axillary nerve that efferently innervates deltoid m.

Question 11

longer and more medial of the two forearm bones?

Answer 11

ulna

Question 12

what connects the shafts of the ulna and the radius?

Answer 12

interosseous membrane

Question 13

the distal end of the radius is susceptible to what kind of fracture?

Answer 13

colles fracture. common in >50 y.o.

Question 14

how many bones in carpus/wrist?

Answer 14

8 (4 proximal, 4 distal rows)

Question 15

pisiform is what kind of special bone?

Answer 15

sesamoid bone (forms within a tendon) patella is another example

Question 16

Most common carpal fracture is found in this bone?

Answer 16

Scaphoid bone

Question 17

Anterior concave space formed by the pisiform & hamate on the ulnar side and scaphoid and trapexium on the radial side?

Answer 17

carpal tunnel

Question 18

roof like covering of the flexor retinaculum?

Answer 18

carpal tunnel

Question 19

how many metacarpals?

Answer 19

5 bones

Question 20

what joints articulate metacarpals with the carpal bones?

Answer 20

carpometacarpal joints

Question 21

what joints articulate metacarpals with the phalanges?

Answer 21

metacarpophalangeal joints

Question 22

how many phalanges?

Answer 22

14 bones (thumb only has 2)

Question 23

joint between proximal and middle phalanges?

Answer 23

proximal interphalangeal joint

Question 24

three things common to all synovial joints?

Answer 24

articular capsule, synovial cavity, articular cartilage

Question 25

saclike structures similar to joint capsules, filled with small amounts of fluid, reduces friction

Answer 25

bursae

Question 26

tubelike bursae that wrap around tendons as they pass through fibro-osseous tunnels, protect all sides of tendon from friction

Answer 26

tendon sheaths

Question 27

movement when a bone revolved around its long axis?

Answer 27

rotation

Question 28

AC joint type?

Answer 28

synovial

Question 29

bony parts of AC joint?

Answer 29

acromion of scapula, acromial end of clavicle

Question 30

AC joint dislocation, results from a hard fall on shoulder?

Answer 30

shoulder separation

Question 31

median nerve motor innervation?

Answer 31

anterior compartment of the forearm (muscles)

Question 32

anterior axio-appendicular muscles?

Answer 32

pectoralis major mm, pectoralis minor

Question 33

2 heads of the pectoralis major m.

Answer 33

clavicular and sternocostal

Question 34

anterior axio-appendicular muscles?

Answer 34

pectoralis major mm, pectoralis minor, serratus anterior m.

Question 35

2 heads of the pectoralis major m.

Answer 35

clavicular and sternocostal