The sexual response cycle has four phases that describes what happens to the body when it is stimulated sexually.
The sexual response cycle is characterized by vasocongestion and myotonia (Nevid and Rathus, 2005). According to Nevid and Rathus (2005), vasocongestionis the swelling of the genital tissues with blood. Myotonia is muscle tension that occurs in the body during sexual simulation. It causes facial grimaces, spasms in the hands and feet, and then the spasms of orgasm blood (Nevid and Rathus, 2005).The four phases of the sexual response cycle are the excitement phase, the plateau phase, the orgasmic phase, and the resolution phase