List of Muscles of The Human Body/version 2 - Muscles of Torso - Chest


Muscle Origin Insertion Artery Nerve Action Antagonist
intercostales ribs 1-11 ribs 2-12 intercostal arteries intercostal nerves
Muscle Origin Insertion Artery Nerve Action Antagonist
external intercostal arteries intercostal nerves Inhalation internal
internal rib - inferior border rib - superior border intercostal arteries intercostal nerves hold ribs steady external
innermost intercostal arteries intercostal nerves
Muscle Origin Insertion Artery Nerve Action Antagonist
subcostales inner surface of one rib inner surface of the second or third rib above, near its angle intercostal nerves
transversus thoracis costal cartilages of last 3-4 ribs, body of sternum, xiphoid process ribs/costal cartilages 2-6 intercostal arteries intercostal nerves depresses ribs
levatores costarum Transverse processes of C7 to T12 vertebrae Superior surfaces of the ribs immediately inferior to the preceding vertebrae dorsal rami - C8, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11 Assists in elevation of the thoracic rib cage

serratus posterior:

Muscle Origin Insertion Artery Nerve Action Antagonist
inferior vertebrae T11 - L3 the inferior borders of the 9th through 12th ribs intercostal arteries intercostal nerves depress the lower ribs, aiding in expiration
superior nuchal ligament (or ligamentum nuchae) and the spinous processes of the vertebrae C7 through T3 the upper borders of the 2nd through 5th ribs intercostal arteries 2nd through 5th intercostal nerves elevate the ribs which aids in inspiration
Muscle Origin Insertion Artery Nerve Action Antagonist
diaphragm |lower six ribs and upper 3 lumbar| |central tendon| Pericardiacophrenic artery, Musculophrenic artery, Inferior phrenic arteries phrenic and lower intercostal nerves respiration

Read more about this topic:  List Of Muscles Of The Human Body/version 2, Muscles of Torso

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Famous quotes containing the word chest:

    Man is head, chest and stomach. Each of these animals operates, more often than not, individually. I eat, I feel, I even, although rarely, think.... This jungle crawls and teems, is hungry, roars, gets angry, devours itself, and its cacophonic concert does not even stop when you are asleep.
    René Daumal (1908–1944)

    This socialism will develop in all its phases until it reaches its own extremes and absurdities. Then once again a cry of denial will break from the titanic chest of the revolutionary minority and again a mortal struggle will begin, in which socialism will play the role of contemporary conservatism and will be overwhelmed in the subsequent revolution, as yet unknown to us.
    Alexander Herzen (1812–1870)

    It was obvious that the size of your chest was in direct proportion to the size of your salary.
    Cynthia Hess, U.S. exotic dancer. As quoted in Newsweek magazine, p. 19 (April 25, 1994)