Sex efficiency through exercises : special physical culture for women / by Th. H. van de Velde ; [photos, by E. Steinemann].

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CHAPTER IV DESCRIPTION OF EXERCISES (Pelvic and Abdominal Zone) I. Description of the Basic Positions from which the actual exercises have been evolved. (1) First Position (Fig. i). Feet together, touching at both heels and toes. Let the weight of the body glide along the outer edges of the feet towards the ball. It must not be supported on the heels, but by both feet equally on their middle portion. The knees are bent very slightly : a stiff rigid knee position should be avoided. The muscles of abdomen and nates are slightly tensed and the head well up. The shoulders must not be drawn up with the neck, they should be well opened. (2) Feet Sideways Position (Fig. 2). Henceforth called now and then simply " second position." The feet are slightly apart, laterally, but neither is in front of the other. They should be between 30 and 40 cm. (12 to 16 inches) apart. The feet may be slightly turned outwards, but the weight of the body must not be transferred to the inner edge of the feet, but rest on balls and outer edges. (3) Kneel-Heel: Squatting Position (Fig. 3). Take the first position as described in (1). Then slowly sink to the knees and sit back, supporting the nates on the heels. The trunk remains erect, but the body must not be drawn inwards at the loins, hollowing the back. The feet must be flat to the ground with toes and instep. Do not draw in the toes. If the insteps ache at first, they may be made supple enough by steady exercise so that the cramping pain