Capsular Pattern & Convex/Concave Rule

Question 1

GH

Answer 1

ER > ABduction > IR

convex on concave

Question 2

Elbow

Answer 2

flexion > extension

concave on convex

Question 3

Proximal and Distal Radioulnar

Answer 3

supination = pronation

concave on convex

Question 4

Wrist

Answer 4

flexion = extension, slight radial and ulnar deviation

convex on concave

Question 5

1st CMC

Answer 5

ABduction

saddle - convex on concave for AB/ADduction and concave on convex for flexion/extension

Question 6

MCP joint

Answer 6

flexion = extension

concave on convex

Question 7

IP joint

Answer 7

flexion = extension

concave on convex

Question 8

Hip

Answer 8

IR = flexion = ABduction

convex on concave

Question 9

Knee

Answer 9

flexion > extension

concave on convex

Question 10

Talocrural

Answer 10

PF > DF

convex on concave