sizevital

Sizevital The musculature of the pelvis, especially the pelvic floor, acts actively throughout the sexual cycle. In this way the stiffness of the erection of the penis in man is completed and the spasmodic contraction of the vaginal muscles in the female. To this is added the effort of some muscles of the upper, lower and hip members when making movements and adopting certain positions. The human sexual response has a caloric expenditure of approximately 150 calories. For all the additional actions that can be carried out during sexual contact with a partner, strength and muscular endurance are required. In addition there is a high consumption of nutrients and oxygen in the vital organs and muscles.

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