Keep the elbows in tight, upper arm locked in its position and lift the weight with the bicep. That has been the prescribed way of doing a curl. But increasingly, personal trainers and fitness buffs are learning the value of…
Keep the elbows in tight, upper arm locked in its position and lift the weight with the bicep. That has been the prescribed way of doing a curl. But increasingly, personal trainers and fitness buffs are learning the value of…