Human arm bones name in the the upper limb and lower arm

Human Arm is consist of three types of bones Humerus, Ulna and the Radius bone

In this post we are going to discuss about the names of the bones in the human arm and their structure.

Bones and its structure in human body can be studied under the human anatomy department. The human anatomy cover almost everything related to different structures of bones, muscles, and skeleton of human body. Hence you can learn the human arm structure and types of bones in human arm under this subject.

According to human anatomy, the human arm extends to the hand that can be further divided into two parts upper arm and the forearm. The upper arm comprise of “humerus” bone, is the long bone in upper limb that connects the arm between shoulder joint and elbow joint. It also connects to the two bones in the forearm (radius and ulna). 

The common structure of human arm or three types of bones in human arm is listed as follows:

1. Humerus Arm Bone
2. Radius Arm Bone
3. Ulna Arm Bone

Humerus arm bone: As we have discuss in the starting of this post, humerus is the long bone in the upper limb that join shoulder and the two bones in the elbow know as radius and ulna. The humerus bone is the longest bone in the human arm and it supports all lifting and physical activities of the hand.

Radius Bone: In arm radius bone is also known as radial bone that is the one of the two large bones in forearm and extends from the lateral side of the elbow to the thumb side of the wrist and runs parallel to the ulna. 

Ulna Bone

Ulna is also a part of the lower arm bone which connects with elbow and extents till smallest finger in the human arm. 

Ulna and the radius bones are parallel to each other and extends till the human hand.