Belly fat becomes harder to lose after the age of 50 due to hormonal changes, sedentary lifestyle, poor nutrition, high stress levels, and poor posture. While the plank is a fantastic exercise to ...

If you’ve ever held a plank, paused at the bottom of a squat or pressed your palms together in front of your chest, you’ve done an isometric exercise. Ta-da! These holds might look simple — after all, ...