HOW: Begin by lying on your back on the ground with your knees bent and feet flat on the ground or table. Engage your core by drawing your belly button towards your spine and tuck your chin. From here, straighten your arms and raise them up overhead as you keep your core tight and chin tucked.Hold that position for the prescribed time and repeat.
FEEL: You should feel your core muscles working.
COMPENSATION: Keep your back flat, don’t arch it and keep your gaze upwards and your chin comfortably tucked.