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pectoralis major muscle

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pec·to·ra·lis ma·jor mus·cle

(pek'tōr-āl'is mā'jŏr mŭs'ĕl)
Superficial thoracoappendicular muscle of chest; origin, clavicular part (pars clavicularis), medial half of clavicle; sternocostal part [TA] (pars sternocostalis), anterior surface of manubrium and body of sternum and cartilages of first to sixth ribs; abdominal part [TA] (pars abdominalis [TA]), aponeurosis of external oblique; insertion, crest of greater tubercle of humerus; action, adducts and medially rotates arm; nerve supply, anterior thoracic.
Synonym(s): greater pectoral muscle, musculus pectoralis major.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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References in periodicals archive
High post-mortem temperature combined with rapid glycolysis induces phosphorylase denaturation and produces pale and exudative characteristics in broiler Pectoralis major muscles.
Effects of method and duration of restraint on stress hormones and meat quality in broiler chickens with different body weights
Development of the pectoral perforator flap and the deltopectoral perforator flap pedicled with the pectoralis major muscle flap.
Regional Flaps in Maxillofacial and Oral Soft-Tissue Reconstruction: Experiences and Challenges in a Developing Country
Pectoralis major myocutaneous flap for head and neck defects in the era of free flaps: harvesting technique and indications.
Complex treatment of locally advanced squamous cell carcinoma of the parotid gland and secondary primary melanoma
Reliable, minimally invasive oromandibular reconstruction using metal plate rolled with pectoralis major myocutaneous flap.
Titanium Reconstruction Plate Exposure Following Mandibular Reconstruction in Malignancy--A Case Report and Review of Literature
The purpose of this study was to investigate the muscular activation levels of the Anterior Deltoid and the two heads of the Pectoralis Major (Sternal and Clavicular) while performing an isometric Dumbbell Fly (Dumbbell only: DFW or dumbbell plus manual resistance applied: DFMR).
Manual Resistance as a Tool to Increase Muscle Activity and Time under Tension in a Strength Exercise
"Due to the alarming frequency with which pectoralis major ruptures were diagnosed and treated at one expeditionary military treatment facility over a short four-month deployment cycle, combat deployed active duty U.S.
Pectoralis Major Tears Described in Deployed Military Personnel; All nine cases of injury identified during a four-month deployment cycle occurred during bench press
(2012) found that the Bodyblade[R] Pro produced greater deltoid, IS, SA, pectoralis major, erector spine activity than using the dumbbell trials.
The Effects of Double Oscillation Exercise Combined with Elastic Band Exercise on Scapular Stabilizing Muscle Strength and Thickness in Healthy Young Individuals: A Randomized Controlled Pilot Trial
(b) First injection of the PECS II block, showing spreading of local anesthetic in the interfascial plane between the pectoralis major and pectoralis minor muscles.
Efficacy of Pectoral Nerve Block Type II for Breast-Conserving Surgery and Sentinel Lymph Node Biopsy: A Prospective Randomized Controlled Study
Incision and drainage was performed with subsequent indwelling catheter placement for drainage of pectoralis major EN.
Empyema Necessitans in the Setting of Methicillin-Susceptible Staphylococcus aureus Causing Pneumonia and Bacteremia
Gupta, "Simultaneous pectoralis major muscle and orbital metastasis as the primary presentation of pulmonary adenocarcinoma," West African Journal of Medicine, vol.
Pulmonary Adenocarcinoma Presenting as Paraspinal Muscle Metastatic Mass
Compartment syndrome secondary to pectoralis major injury is a very rare phenomenon.
Compartment Syndrome of the Flexor Compartment of the Arm Secondary to Pectoralis Major Tendon Rupture
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