File:A treatise on anatomy, physiology and hygiene - designed for colleges, academies and families (1850) (14804591003).jpg

Identifier: treatiseonanatom00cutt (find matches)
Title: A treatise on anatomy, physiology and hygiene : designed for colleges, academies and families
Year: 1850 (1850s)
Authors: Cutter, Calvin, 1807-1873?
Subjects: Physiology Anatomy Hygiene Anatomy Physiology Hygiene
Publisher: Boston : B.B. Mussey
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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layer is seen ; on the riglit, the deep layer. 1, The pecloralis innjor iduscIK 2, Theddt«»M muscle. 6, The pecloralis minor muscle. 9, The coracoid process o£ thescnpiiLi. 11, The external intercostal muscle. 12, The external oblique musclein, Its aponeurosis. IG, The rectus muscle of llie right side. 18, The internaloblique, ujuscle. Practical F.xjilanation. Tlie mu:<cle 1 draws the arm by the side, and across thechest,Tind likewise draws the scapula forward. The muscle 2 elevates the arm. Themuscle 6 elevates file ribs when tlie scapula is fixed, or draws the scapula forwardand downward v.hen the rihs are fi.ved. Tlie muscles 12, Ifi, 18, bend the body for-ward or elevate the hij)? when the muscles of both sides act. They likewise depressthe rihs in expiration. When the muscles on only oife side act, the body is twisted tothe same side. Expljiin fig. 39. Give themuscles, fram this figure. function of some of the raost proraincnl ANATOMY OF THE MUSCLf.S. 71 Fiff. 40.
Text Appearing After Image:
Fig 40 A ateral view of the muscles of the trunk. 3, The upper part of tb« external oblique niijscle. 4, Two of the external intercostrtl muscles. 5, Two of the internal intercostals. 6, The transversalis muscle. 7, Its posterior aponeurosis. 8, Its anterior aponeurosis. I J, The right rectus muscle. 13, Ihe crest of the ilium, or baunch-bone.»Practical Eocpianation. The rectus muscle, 11, bends the thorax upon the abdouien when the lower extremity of the muscle is Xhe fixed point; hut wheJi the u;)per ex-tremity is the fixeu poir,:., the effect is to brin^ forward and raise the pelvis and !r>werextremities. They likewise depress the ribs in respiration. The transverse muscle.;r,7, 8, lessens the cavity of the abdomen, and ()resses the intestines, stomach, andJiver upward, against the diaphragm, in expiration.• 3d. The region of the back, in consequence of its extert, iscommon to the neck, the upper extremities, and the abdomenThe muscles of which it is composed are numerous, a

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