serratus anterior muscle


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to serratus anterior muscle: rhomboid muscle

anterior serratus

A thoracic muscle.
 
Action
Rotates scapula, pulling it forward; raises ribs.
 
Nerve
Long thoracic.
 
Origin
Centrolateral aspect of the 1st to the 8th ribs.
 
Insertion
Inferior and superior angles and medial margin of scapula.

ser·ra·tus an·te·ri·or mus·cle

(sĕ-rā'tŭs an-tēr'ē-ŏr mŭs'ĕl)
Origin, from center of lateral aspect of first eight to nine ribs; insertion, superior and inferior angles and intervening medial margin of scapula; action, rotates scapula and pulls it forward, elevates ribs; nerve supply, long thoracic from brachial plexus.
Synonym(s): musculus serratus anterior [TA] .

serratus anterior muscle

Chest muscle. Origin: outer surface of ribs 1-8. Insertion: anterior side of vertebral edge of scapula. Nerve: long thoracic (C5-C7). Action: pulls scapula forward (anterior) and laterally (abduction), rotates scapula upward.
See also: muscle
References in periodicals archive ?
A vertical skin incision is made parallel to the anterior border of the latissimus dorsi muscle, and the serratus anterior muscle is identified (figure 2, B).
Flexion greater than 90[degrees] can be achieved in some patients with trapezius palsy because of the stabilizing forces of the serratus anterior muscle.
Current literature suggests that programs should focus on exercises to strengthen the abdominals and serratus anterior muscles (9, 10).