Skin friction

Definition and stakes

Portrait of Bernarr Macfadden Bernarr Macfadden,  Vitality Supreme

“ In order to secure the greatest advantages of a friction bath it is advisable to brush or rub the surface of every part of the body until it assumes a pinkish glow from the increased peripheral circulation induced by the friction. Where the skin is rough or covered with pimples this suggestion is of especial value. When using friction brushes for this purpose one should not attempt to use very stiff brushes in the beginning, for they will scratch too much. Soft, fair skins usually cannot stand such rough treatment as well as can a thicker skin, or one which is oily in character. ”
Source: Gutenberg

Walter Kidd,  Initiative in Evolution

“ It is matter of common knowledge that not only on the palm and sole of man, but on regions where the skin is not specialised in that remarkable manner that is found in those regions, but also in others, that increased pressure and friction will very soon cause a harder and thicker growth of epidermis, as on the skin over a projecting bone in club-foot, over the shoulder where a weight is constantly carried, on the knuckles of many manual workers, and over the patellæ of a devout Roman Catholic, as I have often seen. ”
Source: Gutenberg

Portrait of S. Weir Mitchell S. Weir Mitchell,  Fat and Blood

“ The grasping hand should carry the skin with it, not slip over the skin, as the drag thus put upon the hairs will, if daily repeated, cause troublesome boils. The use of a lubricant avoids this, and is a favorite device of unskilful manipulators. It also does away with much of the good effected by skin-friction, is uncleanly, very annoying to many patients, promotes an unsightly growth of hair, and should be avoided except where it is desired to rub into the system some oleaginous material. ”
Source: Gutenberg

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