Start in a push-up position with your hands directly under your shoulders and your body in a straight line from head to heels.
Lie on your back with your arms extended toward the ceiling and your legs bent at a 90-degree angle, knees stacked over hips.
Start on your hands and knees with your wrists under your shoulders and your knees under your hips.
Lie on your back with your knees bent and feet flat on the floor, hip-width apart. Press through your heels to lift your hips off the ground.
Lie on your side with your legs stacked and your forearm on the ground directly beneath your shoulder.
Lie on your stomach with your arms extended overhead and your legs straight. Lift your arms, chest, and legs off the ground simultaneously, engaging your lower back and glutes.
Sit on the ground with your knees bent and feet flat on the floor, leaning back slightly to engage your core. Hold a weight or medicine ball in front of your chest.
Lie on your back with your legs straight and your arms by your sides. Lift your legs toward the ceiling, keeping them straight and together.
Stand with your feet hip-width apart and arms extended overhead. Keeping your core engaged, lean to one side, sliding your hand down your thigh toward your knee.
Sit on the ground with your knees bent and feet flat on the floor, hands lightly touching the sides of your head.