Definition

A type of muscle that helps to straighten or extend a limb or part of the body.

Example

The extensor muscle in the arm allows you to straighten your elbow.

Conversation

Have you ever heard of the muscle called the extensor?

Yeah, I think it helps straighten out your limbs, right?

Exactly! It's pretty interesting how our muscles work together.

For sure! I love learning about how the body functions.

Synonyms & Antonyms

Root Explanation

Extensor → It is formed from "ex-" (meaning out) and "tendere" (meaning to stretch). The word "extensor" refers to a muscle that stretches or extends a part of the body outwards.

Memory Tip

Think of a muscle that 'stretches out' ('ex-') something ('tendere') — that's what an extensor does.

Visually Confused Words