You need to change the way you think about dumbbell training. Endless concentration curls in pursuit of the pump are, well, a waste of time. The dumbbell is a versatile piece of kit you can use at home or in… » Read More
You need to change the way you think about dumbbell training. Endless concentration curls in pursuit of the pump are, well, a waste of time. The dumbbell is a versatile piece of kit you can use at home or in… » Read More