The class-book of anatomy : designed for schools, explanatory of the first principles of human mechanism, as the basis of physical education . xcept the first. The angles of the ribs. To lift the ribs upward. The lower edge of each rib, To draw the ribs down-by a flat tendon. ward, to move the body upon its axis, to assist the longissi-mus dorsi, and to turn the neckback, or to one side. All the muscles of the back, clearly defined in Fig. 37, on theopposite page, are broad, thin, and generally produce the slow mo-tion of the limbs. In the middle of the trapezius, marked a, is awhite line, whe


The class-book of anatomy : designed for schools, explanatory of the first principles of human mechanism, as the basis of physical education . xcept the first. The angles of the ribs. To lift the ribs upward. The lower edge of each rib, To draw the ribs down-by a flat tendon. ward, to move the body upon its axis, to assist the longissi-mus dorsi, and to turn the neckback, or to one side. All the muscles of the back, clearly defined in Fig. 37, on theopposite page, are broad, thin, and generally produce the slow mo-tion of the limbs. In the middle of the trapezius, marked a, is awhite line, where the fibres of the muscle, on either side meet andadhere to the spinous processes of the bones of the neck. On thisline,in quadrupeds, is pieced a powerfully strong cord, by the far-riers called paxioax,—but by anatomists — ligamentum nucha,which, being attached to the back bone, between the shoulders, pre-vents their heavy head from drooping to the ground, It will not re-lax : —when they drink or feed, on a level with their feet, the nose,even by a voluntary effort, barely reaches to the earth. 82 ANATOMICAL CLASS BOOK. Fi.


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Keywords: ., bookcentury1800, bookdecade1830, booksubjectanatomy, bookyear1834