"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE BODY IS a complex machine. Your corporeal form houses over 600 muscles, all working together to help ...

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 ...

If you've ever seen a powerlifter deadlift upwards of 600 pounds you're probably asking yourself "How did they get here?" While they'll surely tell you it came after years of repeating the beloved ...