Elsewhere, fitness duo Matt Tralli and Louis Chandler (above) - who have a combined following of more than 600,000 on Instagram- have posted just four exercises using kettlebells that are said to fire up the abs.
Anthony Guz, Dawn Kott, George Rogers, Christine Nagle, Barbara Trickey, James Sweeney, Michael Demaio, Johanna Lynch, Deborah Walborn, Rick Bacon, Patricia Richmond