serratus anterior


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serratus anterior

[serā′təs]
Etymology: L, serra, saw teeth
a thin muscle of the chest wall extending from the ribs under the arm to the scapula. Arising from the outer surface and upper border of the first eight or nine ribs, it inserts into the medial angle, the vertebral border, and the inferior angle of the scapula. It acts to rotate the scapula and to raise the shoulder, as in full flexion and abduction of the arm. Compare pectoralis major, pectoralis minor, subclavius.
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Serratus anterior
References in periodicals archive ?
Incelemede sol uzun torasik sinir uyarimi ile serratus anterior kasindan elde edilen birlesik kas aksiyon potansi yeli distal latansi uzamis olarak (7,46 msn) saptandi (36-50 yas icin ust sinir: 4.
This exercise has been shown to maximize serratus anterior & subscapularis activity while minimizing upper trapezius activation.
Another case series of patients with long thoracic nerve injury or of the C5-7 cervical roots found that muscle stimulation (EMS) of the serratus anterior was helpful in the treatment of NP.
Although the classical vascular pattern of the flap was altered, intra-operative evaluation of the latissimus dorsi muscle displayed a substantial anastomotic vascular loop with the vessels providing serratus anterior muscle, which allowed us to resume the procedure.
We have studied the variations in distribution of its branches in males and females and site of termination into branches to serratus anterior muscle and latissimus dorsi muscle.
Strengthening the serratus anterior as a protractor in place of the pectoralis musculature; 3- Strengthening the deep cervical flexors in place of the SCM and scalenes (this is often obtained by making sure that the chin is somewhat tucked when performing flexion); 4.
A degree of shortness in the full muscle or part of the muscle may be present in serratus anterior.
EMG electrodes were attached unilaterally to the upper and lower trapezius, serratus anterior and infraspinatus muscles, respectively, in accordance with Surface ElectroMyoGraphy for the Non-Invasive Assessment of Muscles (SENIAM) guidelines.
EMG] were reported at the trailing UL than at the leading one for the anterior deltoid, serratus anterior, and lower trapezius at specific ranges of humeral elevation angles (second rotation), calculated within the plane of elevation (first rotation) [8].
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).
SUMMARY: While dissecting the body of a 59 years old male cadaver we observed "abnormal" branching pattern of the axillary artery and unusual vascular pedicles of the serratus anterior muscle.
Muscle factors: The serratus anterior and the abdominal muscles.