Other sports include basketball, volleyball, canoeing, gymnastics, trampolining and cross country running. Badminton, association football, volleyball, trampolining and gymnastics clubs are run every week at the Academy. "Bungy Trampoline" uses elements from bungy and trampolining. She began her gymnastics career in trampolining, but later switched to artistic gymnastics. The competitive gymnastic sport of trampolining has been part of the Olympic Games since 2000. At the 2008 Summer Olympics, it hosted the Artistic Gymnastics, Trampolining, and Handball events. Nissen continued to have an influence on gymnastics and trampolining. He has been honored by the sports of both trampolining and gymnastics. In 1941, he wrote "Trampoline Tumbling", the first textbook for the sport of trampolining. The girls are photographed in a Bikini jumping on a trampolining. Nissen had always wanted to have trampolining included in the Olympic Games. There is an international trampolining competition held in Switzerland called the Nissen Cup. Brentwood still has a thriving trampolining community but no longer a local factory. She enjoyed and competed in trampolining but had to give up due to respiratory problems. Used in this way, the method is often referred to as "DLL trampolining".