This is not going to be fun.

PERFORM PER ROUND:

• 10 sec – Elbow Plank
• 10 sec – Ride Side Plank
• 10 sec – Left Side Plank
• 10 sec – Right Leg Raise Plank
• 10 sec – Left Leg Raise Plank
• 10 sec – Plank (on hands)
• 20 sec – Plank Jacks

Rest 1 minute between rounds.

NUMBER OF ROUNDS:

• Beginner – 3
• Intermediate – 5
• Advanced – 7

Be sure you use your Gymboss Interval Timer to time this workout.