A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles ...

What are wall squats? A wall squat is a static or isometric exercise that helps focus on your lower body. It is done sitting against a wall at 90 degrees.

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Fitness and wellness expert Michele Cuffe demonstrates the proper way to do the plank exercise and shares the amount of time everyone should be able to do it depending on their age.

Three weeks of military drills are taking place in and around Australia as the U.S. and its allies seek to send a message to China that they are ready to respond together.