The Ups and Downs of that Rebounder-thing
Recent Update: Since writing this post, I found a great website, which includes a good deal of information about rebounding and related products. I am sharing it here: http://www.hoptrampoline.com/ The word ‘aerobics’ came about when the gym instructors got together and said: If we’re going to charge $10 an hour, we can’t call it Jumping … Read more