If you’ve ever been in a big-box gym before, you’ve seen plenty of guys doing classic leg exercises like squats and lunges and deadlifts. But there’s a good chance you’ve also seen a host of ...

Leg extensions are one of the most effective exercises for isolating the quadriceps. Unlike compound movements like squats or lunges, the leg extension machine specifically targets the knee joint, ...

It’s easy to take for granted all the ways your leg muscles stretch, flex, and work together to enable you to go about your daily life. Whether you walk, stand, sit, or run, it’s due to the work and ...

With so many possible exercises capable of building muscle, it's often hard to know which ones are actually worth doing. Sam Sulek rose to prominence on YouTube with his raw approach to filming and ...

Each subject attended a first testing session, to determine the 1 repetition maximum (1-RM) for each exercise. This was followed by two exercise sessions in which standardized trunk extensions were ...

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Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Squats train all the major ...