Arthrokinematics

Question 1

Questions to ask for Arthrokinematics

Answer 1

• What 2 bones make up the joint?
• Which is concave and which is convex?
• What is the motion?
• Which bone is doing most of the movement?
• What direction is the movement?

Question 2

3 Major Rules for Arthrokinematics

Answer 2

1) Roll Rule
2) Concave Rule
3) Convex Rule

Question 3

Roll Rule

Answer 3

Roll always occurs in the direction of bone movement (ant./post.—or sup/inf.)

Question 4

Concave Rule

Answer 4

In relationship to the concave surface, roll & glide occur in the same direction.

Question 5

Convex Rule

Answer 5

In relationship to the convex surface, roll & glide occur in the opposite direction.