Take your planking to the next level by trying this move:
Set the plate to a medium weight and take the strain of the cable in one hand. Make sure you can extend your arm fully without the plate resting back on the rack.
Hold a high plank position.
The goal is to stay strong and stable as you pull your elbow, with the cable in hand, towards your stomach.
Keep your hips parallel to the ground at all times! The tendency is to raise your right hip as you pull the cable in with your right hand. This is where the exercise really fires up your core - when you focus on keeping perfect form you'll feel the most benefits.
Repeat 10 times on each side, and for a couple of sets continuously without resting.
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