They're the perfect complement to building your pecs with chest exercises and getting broad shoulders with shoulder workouts. Spider curls tweak the classic bicep curl by using a supinated grip (palms ...

Bulging biceps are a sign of strength, power, and dedication. The cable bicep curl is one of the elite bicep-focused exercises worth including in your upper-body muscle-building program.

The road to massive bis and tris is less about #armday and more about total-body stimulus and pushing to your limits.

To do preacher curls, set up at a bench with your upper arms resting on the pad and curl a dumbbell or bar up toward your shoulder, keeping your arms fixed in place. Lower the weight slowly to reset.

However, if you don’t have a preacher curl bench, this quick tweak in form could go a long way to simulate these effects, placing greater tension on the biceps and eliciting more growth.

The startup says its software can learn new activities (e.g., squats, bicep curls, bench presses, jumping jacks) in a matter of seconds and measure speed and repetition, for instance.