If your routine could use an upgrade, Jeff Nippard has you covered. In a recent video, he ranked his favorite rear delt ...

Begin seated on the preacher-curl bench, with your chest and arms in contact with the arm pad. With an underhand grip and your arms straight, keep your elbows in place as you curl the bar upwards.

Aside from the GOAT of bodybuilding that is Arnold Schwarzenegger, Mike Mentzer is one of the other famous lifters of the ...