In the video, Alia shows off her strength by doing tricep dips, which is a tough exercise that works the upper body. Her trainer, Karan Sawhney, points out how important it is to have good form ...

Meet the Expert: Jacqueline Kasen, CPT, is a Miami-based coach and master trainer and senior director of group fitness at Anatomy ... triceps extension, triceps kickback, triceps dip, overhead ...

Understanding Arm Anatomy Before diving into specific exercises ... on a bench and curling a dumbbell with one arm at a time.