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

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FILM 10, M A J O R PEL V I C ROTATION (HORIZON- TAL) {Fit st Phase). Standing, feet sideways. The knees and groin are thrust for- wards and a circular move- ment to the right begins. FILM 11. PELVIC VER- SION WHILE WALKING [First Phase). The left leg steps forward. The arms are bent at the elbows and the fingers touch across the breast. The muscles of the legs and feet are drawn tense from the groins downwards so that the weight rests on the ball of the feet. FILM 12. SUSPENSION- FLEXION, OR ALTERNATE STRETCHING AND BENDING (F itst Phase). The woman lies on an oblong table so that the sacrum is just above the edge of the narrow side and the legs hang down at full length and unsuppo rted. They are slightly apart and the pupil supports her weight by gripping the edges of the table with her hands on either side.