Du bruker en utdatert nettleser. Det kan hende den ikke viser dette eller andre nettsteder riktig. Du bør oppgradere eller bruke et alternativ nettleser.
Har ingen kilder, men har hørt mange ganger at et kvarters hopping på trampoline tilsvarer en halvtimes jogging. Og jeg tviler ikke [:D]
Her er det noe info:
http://www.faqs.org/sports-science/Sp-Tw/Trampoline.html "Various studies have determined that a persons exercising upon a trampoline uses approximately 15% more energy per minute than does a runner."
http://www.calorie-counter.net/how-to-lose-weight/trampoline-fitness.htm "In terms of calorie expenditure, about 15 minutes on a trampoline uses about 105 calories."
http://www.familyrapp.com/Results/archive_results_details.asp?ArticleID=1079 "Spending five to eight minutes doing trampoline exercise is like running a mile, only with less time and effort."