High Knees Run in place for 30 seconds, bringing your knees up as high as you can with each step. Focus on lifting your knees up and down...

Planks Lie on your stomach on an exercise mat, with your elbows close to your sides, palms down and fingers facing forward. Lift your...

Triceps Dip on Chair Sit on the front edge of a stable and sturdy chair or bench, and put your palms on the edge, fingers pointing...

Squat Stand with your feet shoulder-width apart and toes forward. Bend your knees as you hinge at the hips, shifting them back and down...

Step-Up Stand facing a sturdy chair or bench. Step up onto the chair or bench with your left leg, coming all the way up to stand on it...

Ab Crunch Start with a basic crunch: Lie flat on your back, with your knees bent and feet on floor. Tighten your core. Press your lower...

Push-Ups Get into a "plank" position on the floor or mat, feet together with toes tucked under, hands planted flat below your shoulders....

Wall Sits Stand with your back to a wall, feet hip-width apart and slightly in front of you. Lean back into the wall, and slide down like...