Which Is Flexor and Extensor?

There are two types of tendons present in the hand- extensor tendons and flexor tendons. Extensor tendons present on top of the hand help with straightening the fingers. Whereas, flexor tendons that lie on the palm side of the hand help in bending the fingers.

Which muscles are flexors and extensors?

So, your biceps is described as a "flexor" muscle. In the illustration below, the image on the right shows the biceps flexing. The opposing muscle of a flexor is called the "extensor" muscle. Your triceps is an extensor.

How is flexor different from an extensor?

The key difference between flexor and extensor muscles is that flexor muscles facilitate the process of flexion in the body, while extensor muscles facilitate the process of extension in the body. ... On the other hand, extension is the extending movement where the angle between two body parts increases.