brachialis muscle


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

bra·chi·a·lis mus·cle

(brā-kē-ā'lis mŭs'ĕl)
Origin, lower two thirds of anterior surface of humerus; insertion, coronoid process of ulna; action, flexes elbow; nerve supply, musculocutaneous, usually with a minor contribution from the radial.
Synonym(s): musculus brachialis [TA] .

brachialis muscle

Arm muscle. Origin: anterior surface of lower (distal) humerus. Insertion: coronoid process of ulna. Nerve: musculocutaneous and radial (C5-C7). Action: flexes forearm.
See: arm for illus. (Muscles of the Arm)
See also: muscle
References in periodicals archive ?
A sub-muscular extraperiosteal tunnel is prepared between the Brachialis muscle and the underlying periosteum with a narrow periosteal elevator or Cobbs elevator inserted first from proximal incision distally and then from distal incision proximally.
Rehabilitation of myositis ossificans in the brachialis muscle.
Part or all of the brachialis muscle may require resection depending upon the extent of the tumor.
Closed reduction and percutaneous pinning of displaced supracondylar humerus fractures in children: description of a new closed reduction technique for fractures with brachialis muscle entrapment.
Rupture of the distal biceps brachii tendon: isokinetic power analysis and complications after anatomic reinsertion compared with fixation to the brachialis muscle, J Shoulder Elbow Surg, 2003 Nov-Dec;12(6):607-11.
In all other upper limbs normal course of musculocutaneous nerve was seen on dissection, in which musculocutaneous nerve were piercing coracobrachialis of its respective side and giving branch to coracobrachialis, biceps brachii and brachialis muscles (Figure 2).
The LACN runs superficially between the biceps and the brachialis muscle, where the LACN becomes a continuation of the musculocutaneous nerve.
A non-anatomic attachment of the distal biceps to the brachialis muscle, as opposed to an anatomic attachment to the radial tuberosity, may result in as high as a 50% loss of supination strength.
Through the torn medial capsule, the anterior tight band of brachialis muscle was lifted anteriorly and the elbow was reduced.
The median nerve, brachial artery and vein are superficial to the brachialis muscle and are not identified.
The Brachialis muscle was originating from the lower half of the front of humerus including both the Anteromedial and Anterolateral surfaces and the anterior border embracing the insertion of Deltoid and from the medial and lateral intermuscular septum.
Serious perioperative adverse events include two radial nerve palsies (one of which eventually resolved) and one brachialis muscle contracture.