
Lifting weights can be a great way to build upper body muscle, but it’s not the only way. If you’re traveling, tight on time, or don’t have access to dumbbells, this personal trainer’s four-move workout can work your core and build stronger arms, no equipment-required.
If you have one to hand, it can help to roll out one of the best yoga mats as you’ll be spending some time on the floor, and a mat can improve your grip and make the experience more comfortable, but it’s not essential to get started.