Joints & Joint Movements

Front

What is a saddle joint?

Back

A type of joint that allows movement in two planes, such as the thumb joint.

Front

Give an example of a saddle joint.

Back

The thumb.

Front

What joint action is performed when a limb is straightened?

Back

Extension.

Front

What joint action is performed when a limb is bent?

Back

Flexion.

Front

What type of joint is the knee?

Back

Hinge joint.

Front

What movement does a hinge joint allow?

Back

Movement in only one direction (i.e., backwards & forwards).

Front

What is flexion?

Back

A joint action that decreases the angle between two body parts.

Front

What is extension?

Back

A joint action that increases the angle between two body parts.

Front

What is abduction?

Back

A joint action that moves a limb away from the midline of the body.

Front

What is adduction?

Back

A joint action that moves a limb towards the midline of the body.