Shoulder taps are a simple but effective bodyweight exercise often used to build shoulder stability, core control, and general upper body strength. You start in a high plank position with your hands under your shoulders, body straight from head to heels, and then lift one hand to tap the opposite shoulder — alternating sides. The main goal is to keep your hips and torso as still as possible while you lift each hand, so you’re not rocking side to side. That stability demand means your shoulders,