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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
The muscles of the shoulder are associated with movements at...
- 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 radial nerve innervates all muscles in the extensor...
- The Intrinsic Muscles of The Shoulder
Rotator Cuff Muscles. The rotator cuff muscles are a group...
- The Extrinsic Muscles of The Shoulder
The muscles of the shoulder are associated with movements of...
- Shoulder Region
13 Νοε 2023 · The muscles are named after their functions, with the flexor muscle medial most, the abductor lateral most, and the opponens muscle lying deep. The muscle arises mainly from the flexor retinaculum and tubercle of the trapezium and inserts onto the proximal phalanx or metacarpal of the thumb.
Learn about all muscles in the upper extremity with a list of muscles, their origin, insertion, action, nerve & blood supply chart, & labeled diagram
flexor pollicis brevis, abductor pollicis brevis, and opponens pollicis are the three muscles of the thenar compartment of the hand flexor pollicis longus anterior surface of radius and interosseous membrane
Learn what are the names of all the different muscles of the upper arm. Their basic & anatomy, location, & functions of the anterior & posterior arm muscles.
In anatomy, flexor is a muscle that contracts to perform flexion (from the Latin verb flectere, to bend), [1] a movement that decreases the angle between the bones converging at a joint. For example, one's elbow joint flexes when one brings their hand closer to the shoulder, thus decreasing the angle between the upper arm and the forearm.
The location of the muscle in a standard human body. The location first specifies a group such as head, neck, torso, upper limbs, or lower limbs, then may have more specific information. However this additional information must be describing location not function.
