By Jen Wilson and Athalie Redwood-Brown
The ‘100 kettlebell swings a day’ challenge is the latest viral fitness endeavour on social media. The challenge is simple: pick up a kettlebell and do 100 swings (bringing the kettlebell from between your legs and using your core and glutes to swing it up to chest or shoulder height) every day. These can be done either in one stint, or broken up throughout
