Both planks and push-ups are hall-of-fame workout moves. They can be done nearly anywhere because you don't need any equipment, and you don't need any more space than the amount you take up lengthwise ...
Changes to the exercises used for the military fitness testing are here to stay. It will take some time and practice to get used to replacing sit-ups and crunches with more static exercises like plank ...
Directions: Williams suggests doing three to five minutes of cardio such as jogging or skipping in place beforehand. She said you can also pair that with leg swings, arm circles, and torso twists.