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The anterior compartment of the arm is also known as the flexor compartment of the arm as its main action is that of flexion. The anterior compartment is one of the two anatomic compartments of the upper arm, the other being the posterior compartment. The compartment contains three muscles; the biceps brachii, the brachialis and the ...
The arm is divided by a fascial layer (known as lateral and medial intermuscular septa) separating the muscles into two osteofascial compartments: the anterior and the posterior compartments of the arm. The fascia merges with the periosteum (outer bone layer) of the humerus. [8]
The anconeus, assisting in extension of the elbow joint, is by some considered part of the posterior compartment of the arm. The majority of muscles found in the posterior compartment are extrinsic, meaning that their origin has some distance from the part moved. The brachioradialis and the anconeus are considered intrinsic muscles because they ...
A fascial compartment [1] is a section within the body that contains muscles and nerves and is surrounded by deep fascia.In the human body, the limbs can each be divided into two segments – the upper limb can be divided into the arm and the forearm and the sectional compartments of both of these – the fascial compartments of the arm and the fascial compartments of the forearm contain an ...
Upper Limb, Arm, Posterior compartment, right/left lateral epicondyle of humerus: lateral surface of olecranon, superior part of posterior ulna: deep artery of arm, interosseous recurrent artery: radial nerve (C7, C8, and T1) partly blended with triceps, extends forearm, stabilises elbow, abducts ulna during pronation: 2 1 pronator teres
The radial nerve innervates the posterior muscles of the arm and forearm; Collateral branches of the brachial plexus: [13] The dorsal scapular nerve innervates rhomboid major, minor and levator scapulae. The long thoracic nerve innervates serratus anterior. The suprascapular nerve innervates supraspinatus and infraspinatus
In anatomy, extension is a movement of a joint that increases the angle between two bones or body surfaces at a joint. Extension usually results in straightening of the bones or body surfaces involved. For example, extension is produced by extending the flexed (bent) elbow. Straightening of the arm would require extension at the elbow joint.
Arm (2 C, 5 P) Elbow (2 C, 8 P) ... Muscles of the upper limb (1 C, 70 P) N. ... Pages in category "Upper limb anatomy" The following 67 pages are in this category ...