The “100 kettlebell swings a day” challenge is the latest viral fitness endeavour on social media. The challenge is simple: ...

“Too much repetitive movement, insufficient recovery time and inexperience can also lead to an increased risk of an overuse ...

Both your straight and oblique ab muscles are engaged — hard. In fact, yoga teacher Sharath Jois has said that 25 deep breaths in this pose can equal 100 crunches in core activation.