Pelvic floor exercises assist in controlling bowel movements (Pelvic Floor Exercises, 2010). It should be used in addition to regular stretching exercises and ultrasound diathermy. He used explosives which he later claimed to have accumulated from leftovers on training exercises. The book also provides illustrations and explanations of the exercises and meditation. Most were expended by Conn as objects of repair training exercises. Its website also includes supplementary practice exercises and materials for educators. Pursed lip breathing exercises may be useful. This reduces the risk of repetitive stress injury in these exercises. The crunch is one of the most popular abdominal exercises. Supportive equipment is used to increase the weight lifted in powerlifting exercises. Korean numerals may be used as prompts for commands or for counting repetition exercises. An incentive spirometer is often used as part of the breathing exercises. In practice, the Prime Minister exercises the executive powers. He was also a member of the Reichskriegerbund and the Reichsbund for physical exercises. Treatments may include bracing, specific exercises, and surgery.