The muscle which is responsible to straighten the limb is _______?

The muscle which is responsible to straighten the limb is _______?

وہ عضلہ جو عضو کو سیدھا کرنے کا ذمہ دار ہے ______ ہے؟
Explanation

Extensor muscles are responsible for straightening (extending) a limb or a joint.

They work in opposition to flexor muscles, which bend (flex) the limb or joint.