SB Barre Planks

What is the only exercise you need to know for the rest of your life? A PLANK!
Try this 4 minute Plank Series...

• 60 second straight arm or forearm plank
• 15 second child's pose 
• 30 second side straight arm or forearm plank each side
• 15 second child's pose
• 30 second forearm plank with knee taps
• 15 second child's pose
• 30 second straight arm plank alternating knee ins
• 15 second child's pose