Muscular Levers.-These great muscular levers in the body forward on the thigh, and bring the legs inward toward each other, besides moving the whole body to and fro when walking, etc.  The long, narrow muscle, seen running bleakly across the thought, is the Sartorius muscle,  a so called from the fact that it crosses the [...]

Use of the Leg Muscles. – Is and the muscles observed in this plate are the principal instruments for carrying out the behest of the will in the act of walking, running, leaping, climbing, and the graceful, gliding motions of the interesting and captivating waltz; and although we see a complicated piece of machinery, yet [...]