How to Use a Preacher Kill Machine to Strengthen Your Biceps

If there's a preacher kill machine, I would encourage them to use that as a priority. The 45 degree loads it at those that fully extended elbow position. That's why those preacher curl studies that they're using the 45 degree preacher curls on keep showing the biceps grow best there. Training at first, using highly stable movements, using heavier loads, lower rep ranges. Basically, getting that last three to five pounds of muscle out is in about a full body thing.