# What is the elbow joint?

The the elbow joint is called the elbow joint. Gray's Anatomy (1918) describes it as a hinge-type synovial joint.

## What it means

- A hinge-type synovial joint.
- Formed between the humerus above and the ulna and radius below.
- Allows bending (flexion) and straightening (extension) of the arm.

## Action steps

1. Between the upper arm and the forearm.
2. Reinforced by strong ligaments on each side.
3. Enclosed in a common capsule with the joint that allows the radius to rotate.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

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