Michael Menna, DO, is a board-certified, active attending emergency medicine physician at White Plains Hospital in White Plains, New York. There are 24 muscles in the upper and lower arm, each ...

Strong triceps support everyday movements like pushing up from a chair and can improve arm definition.Five at-home exercises ...

Learn what muscles pull-ups work, including lats, arms, shoulders, core, grip roles and mechanics. Start training!

Oluseun Olufade, MD, is a board-certified orthopedist. He teaches as an Assistant Professor of Orthopedics at Emory School of Medicine in Atlanta, Georgia. The deltoid muscle helps you lift your arm ...

Friday, June 26th. To continue training long and hard, and to remain a role model for clients, one must break away from the mindless thinking of "just lifting heavy things." Today, I am recording a ...

When you're on the road or too busy to make it to the gym, bodyweight exercises are the always-ready tool you can turn to—and they might even challenge you more than your typical weighted workouts.

The axilla is the space in the interval marking the junction of the upper arm and the chest wall. It is a key area because many important neurovascular structures pass through it. It is pyramidal in ...

If your shoulder workouts have begun to feel more like maintenance sessions, with few results to show for your endless reps, it might be time to change things up. Despite the dizzying list of shoulder ...

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. A strong back supports better ...

Jun 29, 2026, 11:04 PM ET Philadelphia Phillies outfielder Brandon Marsh has been flexing his muscles all month, and that continued in Monday night's 11-7 loss to the visiting Pittsburgh Pirates at ...