But, for all of their benefits, some machines just cause more trouble than they’re worth. From increased risk of injury to wasted time with little results, certain exercise machines might be better ...

What it's supposed to do: Train the quadriceps. What it actually does: It strengthens a motion your legs aren't actually designed to do, and can put undue strain on the ligaments and tendons ...

What it's supposed to do: Train outer thighs. What it actually does: Because you are seated, it trains a movement that has no functional use. If done with excessive weight and jerky technique, it can ...

Hip abductor exercises can increase athletic performance, reduce the risk of certain injuries, and promote healthy hip function. The hip abductor muscles are present in the thigh area of each leg and ...

Walk into various gyms around the country (perhaps even in your locale) and you face a sweat-inducing plethora of weight machines, all designed to target specific muscles and pump them up to their ...

Strong runners are typically faster, more efficient runners. But you can’t get better at running by solely hitting the pavement alone. You need strength training and more specifically, you need to ...

Medically reviewed by Theresa Marko, PT, DPT, MS Key Takeaways Abduction moves your arm or leg to your sides, away from the midline.Adduction brings your arm or leg back toward the midline.These ...