Joint Stability

Question 1

What is the trade off between stability and range of motion in terms of the relative proportion of the articulating surfaces of a joint?

Answer 1

A higher relative proportion of articulating surface in a joint increases its stability and decreases its range of motion
A lower relative proportion of articulating surface in a joint decreases its stability and increases its range of motion

Question 2

What is the role of ligaments at a joint?

Answer 2

Prevent excessive movement that could damage joint

Question 3

To what does the tone of muscles surrounding a joint contribute?

Answer 3

Joint stability