Unlike many machines at the gym, the cable pulley has stood the test of time. That's because the cable pulley and cable crossover machines are some of the most versatile pieces of gym equipment, ...

Add Yahoo as a preferred source to see more of our stories on Google. Meet the experts: Jacqueline Kasen, CPT, is a Miami-based coach, master trainer, and senior director of group fitness at Anatomy.

There are a number of ab exercises you can do at the gym to strengthen the entirety of your core. By using a cable machine, suspension trainer, or barbell, you can amplify simple ab exercises. Below ...

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. The upper back is an ...