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ANTERIOR AXILLARY WALL-PECTORALIS MAJOR

Anatomy-Upper Limb

ANTERIOR AXILLARY WALL-PECTORALIS MAJOR

1. Origin (O): clavicular head - sternal half of clavicle. Sternal head - sternum down to 7th rib, cartilages of true ribs & aponeurosis of EXTERNAL OBLIQUE.
2. Insertion (I): lateral lip of intertubercular sulcus of humerus (TIP: 1 missus [LATISSIMUS DORSI] b/w 2 majors [PECTORALIS MAJOR & TERES MAJOR])
3. NS: medial & lateral pectoral n.
4. A: adducts & internally rotates arm; flexes shoulder.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/ [Accessed 15 Nov. 2018].

Ⓒ A. Manickam 2018

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