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How to Do a Preacher Curl
You can also do a preacher curl with dumbbells for four weeks. Then I go over to a preacher curl and a machine. And now the machine is different. Because the tension is still all the way at all the way to top. So that is a way of taking a movement that is the same, but then changing it because you are changing the tension on it throughout the strength. Some machines on a preacher curl, even though it says 50 pounds on the stack, it's actually 30 at the bottom, 50 at the top.