Sit on the floor with your knees bent and feet flat on the ground. Lean back slightly and lift your feet off the floor. Hold a weight or medicine ball with both hands and twist your torso from side to side
Stand with your feet shoulder-width apart and your hands behind your head. Lift one knee towards your elbow while simultaneously crunching your torso to the side. Repeat on the other side
Stand with your feet shoulder-width apart and hold a weight or medicine ball with both hands. Start with the weight above one shoulder, then twist your torso and bring the weight down diagonally across your body
Lie on your side with your legs straight and stacked on top of each other. Place your bottom arm on the floor for support and extend your top arm overhead. Lift your legs and torso towards each other
Lie on your back with your hands behind your head and your knees bent. Lift your shoulder blades off the ground and bring your right elbow towards your left knee while straightening your right leg
Start in a plank position with your hands directly beneath your shoulders. Drive your right knee towards your left elbow, then quickly switch legs, bringing your left knee towards your right elbow
Sit on the floor with your legs extended straight in front of you. Place your hands on the floor behind you for support. Keeping your legs together, lower them towards one side as far as you can without letting them
Start in a side plank position with your elbow directly beneath your shoulder and your body in a straight line from head to heels. Rotate your torso and lower your hip towards the floor, then return to the starting position
Stand with your feet hip-width apart and hold one end of a resistance band in each hand. Extend your arms straight out in front of you at shoulder height