2024年1月13日 · Arm anatomy consists of 3 main parts: the upper arm, forearm, and hand. It spans from the shoulder to the fingers and contains 30 bones, nerves, blood vessels, and muscles. The brachial plexus supply the arm’s nerves.

2018年8月27日 · The arms are the upper limbs of the body. They’re some of the most complex and frequently used body parts. Each arm consists of four main parts: Read on to learn more about the bones,...

There are 4 main groups of bones in the upper limb, the bones of the shoulder girdle, upper arm, forearm, and the bones of the hand. These provide skeletal support as well as being the site of origin and attachment for the many muscles to act as leverage points.

2025年1月27日 · The arm refers to the region of the upper limb between the shoulder and the elbow. It is composed of a single long bone, the humerus, along with muscles, nerves, blood vessels, and connective tissues. The arm plays a critical role in connecting the forearm to the shoulder, facilitating movement and function. Location The arm

In human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm [1][2] between the glenohumeral joint (shoulder joint) and the elbow joint.

2023年10月30日 · This quiz is specially designed to test your knowledge about the shoulder and arm. It specifically focuses on bones, muscles (including attachments, innervation, functions), arteries, veins, and nerves. Tackle it to cement and master the anatomy of the arm and shoulder!

2023年7月25日 · The upper extremity or arm is a functional unit of the upper body. It consists of three sections: the upper arm, forearm, and hand. It extends from the shoulder joint to the fingers and contains 30 bones. It also consists of many nerves, …

2023年11月16日 · Origin, insertion, innervation and functions of the biceps brachii muscle. The arm muscles are a group of five muscles located in the region between the shoulder and elbow joints. They are divided into two distinct compartments of the arm. The anterior (flexor) compartment contains the biceps brachii, coracobrachialis and brachialis muscles.

Arm, in zoology, either of the forelimbs or upper limbs of ordinarily bipedal vertebrates, particularly humans and other primates. The term is sometimes restricted to the proximal part, from shoulder to elbow (the distal part is then called the forearm).

2024年6月2日 · Anatomy of the arm involves the detailed study of its bones, muscles, nerves, blood vessels, and connective tissues. Learning about the arm muscles and arm bones helps in understanding how movements are coordinated and how injuries can be prevented or treated.