The term nonaxial movement means __________.

Extension is the reverse of flexion.

What type of motion occurs at a synovial joint when one flat bone surface slips over another without appreciable angulation or rotation?

Decreasing the angle between bones is called __________.

Which of the following movements is an example of circumduction movement?

Shrugging one's shoulders primarily involves __________.

What motion is ONLY possible at the thumb?

What type of motion is unique to mammals and is characterized by the posterior teeth gliding from side to side in a grinding motion?