The move: A push-up that targets the triceps. Works on: Core stability, chest and triceps strengthening. Level of difficulty: Intermediate Precautions: If you have any pre-existing shoulder ...

Add Yahoo as a preferred source to see more of our stories on Google. Without realizing it, you rely on your triceps to do many things on a regular basis—lifting bags, writing, moving furniture, ...

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. Arm day can be one of ...

One of the most important arm muscles is the triceps brachii (the triceps, for short). You use your triceps to extend your arm. It opposes the biceps muscle, which is used to flex the arm. You also ...

Get more out of your tricep training by knowing which cable attachments provide a deeper range of motion and joint-friendly reps.