XT Test Plus Try a different type of bicep curl. In a typical bicep curl, you don't get a lot of benefit from the top of the curl due to moving your dumbbell or bar beyond the parallel part. However, the top of the bicep curl is the most effective part. This can be remedied by doing the barbell curls while seated.XT Test Plus Be sure that you limit yourself to working out at about three or possible four times in a week. This gives the body the needed time to repair itself. Excessive workouts make you more vulnerable to injuries and can end up causing more harm than good.XT Test Plus Make a smart workout schedule.