<prompt> Sexual gratification is obtained by inflicting injuries to sexual paner inMasochismSadismFetichismNecrophilia  <response>: Sadisim In sadism, the sexual gratification is obtained by inflicting injuries on the sexual paner. It is most commonly seen in men. To obtain sexual gratification, the sadist may bite , whip, beat, or produce cut injuries on the sexual paner Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 312 