Planks For Abs, Chest, Butt, Back & core! 5 Minute Plank Workout
Planks are a great way to build strength and hardness in the mid section. This is a great 5 minute workout that’ll have you sweating and your stomach burning. If you want a sexy flat stomach with rock hard abs you NEED to build up your plank and hit it from all angles so you also have sexy obliques!