Areas trained: CORE, STOMACH
Start in a high plank position with your hands directly below your shoulders. Staying stable in your plank, bring your right knee towards your nose, then return to the start. Repeat with the left knee, alternating legs with each rep with control, completing 8 reps on each side. Then, do the movement at a fast pace for 30 seconds.
SAFETY TIP Keep your hips in line with the rest of your body