Forearm

Definition

The forearm is the region of the upper limb between the elbow and the wrist. It contains two long bones, the radius and ulna, which play a crucial role in movement and support.

5 Must Know Facts For Your Next Test

1. The radius and ulna are the two primary bones of the forearm.
2. The forearm muscles are divided into flexors and extensors based on their function.
3. Supination and pronation are movements enabled by the rotation of the radius around the ulna.
4. Major blood vessels in the forearm include the radial and ulnar arteries.
5. The median, ulnar, and radial nerves run through the forearm, supplying motor and sensory functions.

Review Questions

• Name the two primary bones located in the forearm.
• Which movements are enabled by the rotation of the radius around the ulna?
• Identify at least one major nerve that runs through the forearm.

Related terms

Radius: One of two long bones in the forearm, located on the lateral side when in anatomical position.

Ulna: The longer bone of the forearm positioned medially when in anatomical position.

Supination: A rotational movement where the palm is turned anteriorly or upwards.