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 ...

The "100 kettlebell swings a day" challenge is the latest viral fitness endeavor on social media. The challenge is simple: pick up a kettlebell and do 100 swings (bringing the kettlebell from between ...

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) ...