The upper arm bone is called the humerus. It extends from your shoulder to your elbow. The humerus is a long bone and is the only bone in your upper arm.
The forearm contains two bones: the radius and the ulna. These bones are connected to the humerus at the elbow joint.
Example:
- If you break the bone in your upper arm, you have a humerus fracture.
Practical Insights:
- The humerus is a critical bone for arm movement, allowing you to raise, lower, and rotate your arm.
- It also plays a vital role in your ability to grip and hold objects.
- Understanding the structure of the humerus is crucial for healthcare professionals who diagnose and treat injuries affecting this area.