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3 lis 2023 · This topic page will briefly discuss the upper extremity anatomy in order to introduce you to the main regions of the upper limb, which includes: the shoulder, arm, elbow, forearm and hand.
- Palmaris Brevis
Relations. Lying directly beneath the skin, palmaris brevis...
- Hypothenar
Hypothenar muscles The hypothenar muscles are the three...
- Brachial Plexus
The brachial plexus is a network of nerves that gives rise...
- The Neurovasculature
Upper limb veins Veins usually accompany main arteries,...
- Distal Radioulnar Joint
Distal radioulnar joint (Articulatio radioulnaris distalis)...
- Palmar
Palmar interossei are short unipennate intrinsic muscles of...
- Palmaris Brevis
25 lip 2023 · There is one bone in the upper arm region, the humerus. The forearm contains two bones, the radius and the ulna. When picturing the upper extremity in a standard anatomical position with the palm of the hand facing forward, the radius is located laterally and the ulna medially.
13 lis 2023 · The tendon of the muscle passes in its own tunnel to enter the palm and it inserts onto the base of the 1st distal phalanx. The tendon is kept close to the bones by a series of flexor tendon sheaths, which lubricate the tendon and prevent bowstringing (excessive loss of proximal pulley).
Using features of the bones and the terms of direction, you will learn how to distinguish whether a bone is from the left or right side of the body. Bones of the Upper Limb. For reference, the figure below shows how all the bones of the upper limb fit together. Anterior view of the arrangement of bones in the shoulder and arm.
The upper limb is divided into three regions. These consist of the arm, located between the shoulder and elbow joints; the forearm, which is between the elbow and wrist joints; and the hand, which is located distal to the wrist. There are 30 bones in each upper limb (see Figure 8.2).
9 lis 2023 · The upper limb is the most mobile appendage of the human body. It can achieve a vast range of motions and also facilitates the completion of fine motor tasks. This article aims to highlight the ligaments of the upper limb by section; i.e. from the shoulders to the fingers and everything in between. Contents. Pectoral girdle.
The bones of the upper limb can be divided into four main groups: the shoulder girdle, arm, forearm and hand. In contrast to the lower limb (which is involved in weight-bearing and locomotion), the main role of the upper limb is to control the position of the hand in space – enabling manipulation of objects in the environment.
