What Do Extensors Accomplish?

Extensor muscle, any of the muscles that increase the angle between members of a limb, as by straightening the elbow or knee or bending the wrist or spine backward. ... In humans, certain muscles of the hand and foot are named for this function.

What do flexors accomplish?

Flexors work to bend a joint. You may recognize a common exercise term right in the word "flex." When you flex your muscles, your flexors contract and pull on the bone, creating a bending movement of the joint.

What muscles are extensors?

The opposing muscle of a flexor is called the "extensor" muscle. Your triceps is an extensor. When you contract your triceps your arm straightens and the angle between the forearm and the upper arm increases.