joint actions

Question 1

Abduction

Answer 1

To take away from the midline of body

Question 2

Adduction

Answer 2

To bring back to the midline of the body
example: arm lowered – DOWN

Question 3

Flexion

Answer 3

The angle between the bones decreases.
Eg: bicep curl – UP

Question 4

Extension

Answer 4

The angle between the bones increases.
Eg: bicep curl – DOWN

Question 5

Hinge Joint

Answer 5

only allows flexion & extension