Bodyweight Deadlifts: 6. Farmer's Walk: 7. Calf Raises: 8. Torso Rotations: Benefits: Improve spinal mobility and strengthen core muscles. How to do it: Sit in a chair with your feet flat on the ...

Sit-ups and the plank are not the only ways to build core strength. As a personal trainer who holds chair workout classes for seniors, I've seen for myself how seated exercises can strengthen the ...