What is the name of the bone in our upper arm?a)Femurb)Radiusc)Ulnad)H...
The humerus is the bone in our upper arm, between the shoulder and elbow. It helps us lift and move our arms.
View all questions of this test
What is the name of the bone in our upper arm?a)Femurb)Radiusc)Ulnad)H...
Humerus Bone
The bone in our upper arm is called the humerus. It is the longest bone in the upper limb and connects the shoulder to the elbow. The humerus plays a crucial role in the movement and stability of the arm.
Key Points about Humerus Bone:
- Shape: The humerus bone is a long bone that has a cylindrical shape with a rounded head at the top.
- Joints: It forms joints with the scapula at the shoulder (glenohumeral joint) and with the radius and ulna at the elbow (humeroulnar and humeroradial joints).
- Muscles Attachment: Various muscles attach to the humerus bone, allowing movements like flexion, extension, abduction, and adduction of the arm.
- Fractures: Fractures of the humerus bone can occur due to trauma or overuse injuries. Treatment may involve immobilization, surgery, or physical therapy.
- Development: The humerus bone develops from cartilage during fetal development and continues to grow and ossify as a person ages.
In conclusion, the humerus bone is a vital part of the skeletal system, providing support and mobility to the upper arm. Understanding its structure and function can help in diagnosing and treating injuries related to this bone.