If you regularly work out at home, you're probably used to doing the same moves over and over again. Repeating exercises week-on-week, while increasing the weight, is a great way to build strength — but it can get a bit boring. That’s where this workout comes in. Created by Doc Waller, the founder of LYFE at home, it features four new dumbbell moves that you're unlikely to have tried before. The exercises are tricky, so try practicing them without any weights before adding in a dumbbell. Need...