Not only do push-ups increase upper body strength, toning your chest, shoulders, and triceps—they also work your entire core, ...

The best arm workouts target ... Jump your feet back to high plank while making sure to engage your core. 4. Bend your elbows to complete a push-up. 5. Jump your feet back into the squat position ...

“There are things we can do to target some of the muscles in the upper back to help with that posture.” Weightless arm exercises often ... blade stretches, for example, can make a big impact.