Body Part: Abdominals
Step 1: Lie on the stomach with the feet together and the forearms on the ground with elbows under the shoulders. Draw in the belly button, brace, and squeeze the glute muscles.
Step 2: Lift the body off of the floor and form a straight line from head to heel.
Step 3: Return to the starting position.
Step 4: Repeat for the desired number of repetitions or time. Avoid feet collapsing inward, shoulder blades winging or chin falling toward the floor.