Social media is chock-full of fitness tips and workout challenges, and some are more sound than others. Currently, some exercise enthusiasts are swearing by a new daily routine that’s making its ...

For more workout routines from Danielle Gray — plus walking podcasts, meal plans and inspiration — download the Start TODAY ...

Add Yahoo as a preferred source to see more of our stories on Google. Kettlebell swings work multiple muscles and are great for raising your heart rate. (Getty Creative) (Juanmonino via Getty Images) ...