midterm 2

Question 1

list all the concave on convex (4)

Answer 1

humeroulnar
scapulothoracic
humeroradial
radiocarpal

Question 2

carrying angle lower than normal

Answer 2

varus

Question 3

3 JOINTS FOR STABILITY

Answer 3

1. radiocarpal
2. midcarpal
3. carpometacarpal

Question 4

distal row of carpals TTCH

Answer 4

trapezium
trapezoid
capitate
hamate

Question 5

MCP thumb joint type

Answer 5

condyloid
triaxial

Question 6

3 structural joints

Answer 6

cartilaginous
fibrous
synovial

Question 7

radiocarpal surface

(articulates w carpal bones)

Answer 7

CONCAVE distal end of radius

convex proximal surfaces of SCAPHOID, LUNATE, TRIQUETRUM

Question 8

proximal radioulnar ligaments

Answer 8

annular & quadrate

PIVOT
PRONATION, SUPINATION

Question 10

what does the annular ligament surround

Answer 10

radial head and radial notch of ulna

Question 11

distal radioulnar surfaces

Answer 11

convex head of ulna, concave ulnar notch of distal radius

ligaments: artic disc, TFCC, dorsal/palmar radioulnar ligaments

Question 12

PIVOT uniaxial joints of elbow

Answer 12

distal radioulnar
proximal radioulnar

Question 13

intermetacarpal type

Answer 13

plane uni

palmar, dorsal, deep transverse ligaments

Question 14

CMC joint type

Answer 14

CMC digit 1 = saddle, triaxial

digits 2-5 = plane, uni

Question 15

midcarpal joint type

Answer 15

saddle, biaxial

Question 16

radiocarpal joint type

Answer 16

condyloid, biaxial

Question 17

which 3 carpals does the radiocarpal articulate with

Answer 17

scaphoid
lunate
triquetrum

Question 18

phase 1 scapulohumeral rhythm

Answer 18

humerus abducts 30
scap min movement
clavicle 0-5 elevated

Question 19

phase 2

Answer 19

humerus abducts 40
scap upward rotates 20
clavicle elevates 15

Question 20

phase 3

Answer 20

humerus abducts 60
scap rotates 30
clavicle posteriorly rotates 30-50, elevates 15

Question 21

external rotation

Answer 21

infraspinatus
teres minor

Question 22

internal rotation

Answer 22

subscapularis
pec major
lats

Question 23

abduction

Answer 23

middle delt
supraspinatus