But this workout from Ingrid Clay, a fitness trainer for the workout app Centr, focuses on strengthening the muscles ...

These weighted abs exercises can help you to build a stronger core by adding a load, which is necessary for progressive ...

Lie down on the ground, and drive your lower back into the floor. Hold a light weight plate or dumbbell in both hands. Lift ...

Stand with your feet wider than shoulder-width, toes pointed out. Lower into a squat, keeping your chest up and back straight ...