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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
Rotator Cuff Muscles. The rotator cuff muscles are a group...
- The Extrinsic Muscles of The Shoulder
It is the most superficial of all the back muscles....
- Shoulder Region
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.
The forearm muscles are divided into two compartments based on location and action: the anterior or flexor compartment and the posterior or extensor compartment. There are a total of 19 muscles in the forearm that help move not only the elbow and wrist joints but also the joints in the hand and fingers.
Biceps brachii: It is a large two-headed superficial (on the side of the skin surface) muscle that connects the shoulder blade or scapula to the lower arm bone radius. It primarily helps to flex and abduct your arm at the elbow, mainly when the forearm is supinated (palm-up).
3 Νοε 2023 · The muscles of the forearm are grouped into anterior and posterior compartments, with the anterior compartment containing mostly flexors, and the posterior, extensors. Both the anterior and posterior compartments can be further divided into superficial and deep layers.
In the upper limb, the biceps and triceps brachii muscles are the most notable examples of biarticular muscles as they span from the shoulder joint to the elbow joint. References. Learn about all muscles in the upper extremity with a list of muscles, their origin, insertion, action, nerve & blood supply chart, & labeled diagram.
5 Ιουν 2023 · Thus, the forearm muscles are essential to the fine motor actions of the upper limb, allowing for complex movements of the arm, wrist, and fingers. The forearm is the section of the upper limb from the elbow to the wrist, whose bony structure is formed by the radius (laterally) and ulna (medially).
