351

The movement of the arm.

When the arm is bent at an angle at the elbow, it will produce some angle; the more acute the angle is, the more will the muscles within the bend be shortened; while the muscles outside will become of greater length than before. As is shown in the example; d c e will shrink considerably; and b n will be much extended.

[Footnote: See Pl. XIX, No. 2.]

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Notebooks of Leonoardo da Vinci
VII: On the Proportions and on the Movements of the Human Figure.
. . .
331
On the central point of the whole body.
332
The relative proportions of the torso and of the whole figure.
333
The relative proportions of the head and of the torso.
334
The relative proportions of the torso and of the leg.
335,
336
The relative proportions of the torso and of the foot.
337
The proportions of the whole figure.
338,
339,
340,
341
The torso from the front and back.
342
Vitruvius’ scheme of proportions.
343
The arm and head.
344
Proportions of the arm.
345,
346,
347,
348,
349
The movement of the arm.
350,
351,
352,
353,
354
The movement of the torso.
355,
356,
357,
358,
359,
360,
361
The proportions vary at different ages.
362,
363,
364,
365,
366,
367
The movement of the human figure.
368,
369,
370,
371
. . .