Joints

Question 1

Shoulder joint

Answer 1

CP: max abd and ER, or IR and ext
LP: 60 abd, 30 horiz add
Osteo/Artho: convex on concave – opposite
CPR: ER > abd > IR
Joint type: diarthrosis
ROMs: flx 180, ext 60, abd 180, IR 70, ER 90, horiz add 40, horiz abd 90
EF: abd is hard, add/horiz add is soft

Question 2

Humeroulnar joint

Answer 2

CP: full extension w/ supination
LP: 70-90 flexion, 10 supination
Osteo/Artho: concave ulna on convex humerus -- same direction
CPR: flx > ext
Joint type: diarthrodial hinge joint
ROMs: flx 150, ext 10 HE
EF: flx soft

Question 3

Humeroradial joint

Answer 3

CP: 90 flex, 5 supination
LP: 70 flx, 35 supination
Osteo/Artho: concave on convex -- same
CPR: Flx > ext > supination > pronation
Joint type: diarthrodial sellar
ROMs: flx 150, ext 10 degrees of HE
EF: flx soft

Question 4

Superior (proximal) radioulnar joint

Answer 4

CP: full pronation or full supination
LP: 70 flx, 35 sup
Osteo/Artho: convex on concave -- opposite
CPR: equal supination and pronation
Joint type: diarthrodial pivot joint
ROMs: pronation 80, supination 80

Question 5

Distal RU joint

Answer 5

CP: 5 degrees of supination
LP: 10 degrees of supination
Osteo/Artho: concave on convex -- same
CPR: 
Joint type: diarthrodial pivot
ROMs: 80 sup and pro
EF:

Question 6

Radiocarpal joint

Answer 6

CP: ext with RD
LP: 10 degrees flx and slight UD
Osteo/Artho: convex on concave -- opposite
CPR: equal flexion and extension
Joint type: diarthrodial ellipsoid joint
ROMs: flx 80, 70 ext, 30 UD, 20 RD
EF: RD hard

Question 7

CMC joints

Answer 7

Osteo/Artho: concave on convex – same

Joint type: diarthrodial condyloid, 5th is sellar joint

Question 8

MCP joints

Answer 8

CP: full flx
LP: slight flx
Osteo/Artho: concave on convex -- same
CPR: equal flx and ext
Joint type: diarthrodial condyloid joint
ROMs: flex 90, ext 30, abd 80
EF: flx hard

Question 9

PIP ROM

Answer 9

120 flx, 5 ext

Question 10

DIP ROM

Answer 10

90 flx, 10 ext

Question 11

Thumb CMC

Answer 11

flx/ext -- concave on convex -- same
abd/add -- convex on concave -- opposite
CPR: abd > ext
CP: full opposition
LP: midabduction, flexion,

Question 12

Thumb MCP/IP CPR

Answer 12

CPR: Flx > ext

Question 13

Hip joint

Answer 13

CP: max extension, IR, slight abd
LP: 30 flx, 30 abd, ER
Osteo/Artho: convex on concave – opposite
CPR: Equal loss of flex, abd, IR
Joint type: diarthrodial spheroidal joint
ROMs: flx 120, ext 30, abd 45, add 30, IR/ER 45
EF: flx and add soft

Question 14

Tibiofemoral Joint

Answer 14

CP: max extension
LP: midflexion
Osteo/Artho: concave on convex -- same
CPR: flexion > extension
Joint type: diarthrodial 
ROMs: flx 135, ext 0, IR 30, ER 40
EF: flx soft

Question 15

Proximal tibiofibular joint

Answer 15

Osteo/Artho: concave on convex – same

Joint type: synovial plane joint

Question 16

Talocrural joint

Answer 16

CP: max DF
LP: 10 PF and midway btw eversion/inversion
Osteo/Artho: convex on concave – opposite
CPR: DF > PF
Joint type:
ROMs: DF 20, PF 50
EF: PF hard

Question 17

Subtalar joint

Answer 17

CP: supination
LP:pronation
CPR: supination > pronation, inversion > eversion
Osteo/artho: anterior – same, posterior – opposite
ROMs: inversion 30, eversion 15
EF: eversion hard

Question 18

MTP ROM

Answer 18

flx 20
ext 70
abd 10

Question 19

IP foot ROM

PIP/DIP

Answer 19

PIP flx 90

DIP flx 40