Sit on the floor with your knees bent and feet off the ground. Hold a weight or medicine ball and rotate your torso from side ...

Press off the floor with both feet to stand back up, squeezing your glutes and exhaling at the top. Why: This tweak to the classic cable fly puts your obliques on notice as you battle to keep your ...

The obliques, those muscles running along the sides ... alternating quickly. Lie on your back with hands behind your head. Alternate bringing your right elbow to your left knee while extending ...

The obliques are involved in spinal rotation ... Hold a medicine ball close to your chest and lean back slightly. Rotate your torso to one side, then the other, keeping the movement controlled.