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THE BODY IS a complex machine. Your corporeal form houses over 600 muscles, all working together to help you perform your best every day. Fitness pros tend to organize all of these into different ...

For instance, the bicep curl is a common exercise to target the bicep muscles. Several muscles help your body flex at the elbow, such as your brachialis, which is beneath your biceps, and ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Curls are the classic ...

Anyone interested in building lean muscle will love this method.

Most of us want bigger biceps. Therefore, most of us want to know what the best bicep exercises are to build muscle. Yes, ...

The majority of us know what bicep curls are and have done them at some point in our fitness journey. If you’ve ever grabbed a pair of dumbbells and been told to “just do curls,” you might’ve never ...

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

Do you want to improve your flabby arms or see your abs again? You can do biceps curls, triceps extensions and tons of core exercises to build the muscles in those problem areas. However, if you want ...