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The muscles of the upper limb can be divided into 6 different regions: pectoral, shoulder, upper arm, anterior forearm, posterior forearm, and the hand. There are 4 muscles of the pectoral region: pectoralis major, pectoralis minor, serratus anterior and subclavius.
- Shoulder Region
Muscles of the Upper Limb Muscles in the Anterior...
- Anterior Forearm
The muscles in the anterior compartment of the forearm are...
- Hand
The muscles that act on the hand can be divided into two...
- Upper Arm
Clinical Relevance Rupture of the Biceps Tendon. A complete...
- Pectoral Region
The pectoral region is located on the anterior chest wall....
- Posterior Forearm
The muscles in the posterior compartment of the forearm are...
- The Intrinsic Muscles of The Shoulder
Extrinsic – originate from the torso, and attach to the...
- The Extrinsic Muscles of The Shoulder
The muscles of the shoulder are associated with movements of...
- Shoulder Region
3 Νοε 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. Key facts about the upper extremity
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.
The forearm bones consist of the ulna (medially) and the radius (laterally). The radius pivots around the ulna to produce movement at the proximal and distal radio-ulnar joints. The ulna plays a stabilising role in the forearm. The bones of the hand include the carpals, metacarpals and phalanges.
13 Νοε 2023 · Major muscles of the shoulder, arm, forearm and hand. The upper limb (upper extremity) is truly a complex part of human anatomy. It is best studied broken down into its components: regions, joints, muscles, nerves, and blood vessels.
By the end of this section, you will be able to: Describe the bones of the upper limb, including the bones of the arm, forearm, wrist, and hand. Appropriately name the regions of the upper limb and list the bones in each region. List the bones and bony landmarks that articulate at each joint of the upper limb.
28 Νοε 2023 · Superficial extensors consist of seven muscles; brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, and the anconeus.
