Alignment is key when it comes to arms and shoulders, but sometimes we neglect that aspect of our posture. With this seated routine, the focus is building and maintaining alignment and openness while strengthening your arms and shoulders—no weight needed. Never underestimate the power or body-wei...

You’ll be on your back with feet planted on the floor for most of this workout, but trust me, it’s not easy. Take your time as you do these core-crunching moves, and make sure you maintain proper form to protect your spine and keep the focus on your core throughout the workout.

Your biceps may be the “show muscles” most people think of when they see toned arms, but did you know that your triceps actually make up about three-fourths of the muscle in your upper arms? This workout will both tax your triceps and open up your chest. With moves like reverse planks and modifie...

This workout is a progression, so the variations get more difficult as it goes on. If you find that you come to a place that’s difficult enough to challenge yourself, stick there and focus on form with a goal of moving through the full progression in time. These abdominal-isolating holds, pulses,...