Samson Dauda is dialing in arm training with a focused preacher curl routine as he preps for the 2025 Arnold Classic. This ...

If the Terminator movies taught us anything, it's that machines can't be trusted—and that's especially true when discussing certain exercise machines in the gym, including the preacher curl machine.

To make the arm muscle gains you want, you'll need to be intentional. Following a balanced workout split will put you in a good position for growth — but if you really want to maximise your biceps ...