As soon as the stability ball bounced onto the fitness scene, the days of banging out boring crunches were over. But this globe, as well as its siblings the medicine ball and the BOSU trainer, can be used to target muscles beyond the abs. It just takes some exercise ingenuity.

Ashley Ntansah, personal-training manager at Club H Fitness in New York City, came up with these moves to improve coordination and banish unwanted inches (as well as workout tedium). For a body-shaping boost, pick and choose a few to mix into your usual exercise routine.