Plank Workout: Strong Abs, Back, and Core

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Firm up your Abs, Back and Core muscles with the quick and simple 30-day workout challenge. Perfect exercise for high performance in most sports.
Planks target the entire range of your bodies 'core' muscles and are an excellent way to help prevent back pain.
This Free App will guide you through a 30-day Plank program that will give you results!
° Free
° Multiple Plank Variations.
° Video Demonstrations.
° Minutes per day.
° Quick results.
Targeted Muscles:
° Abs
° Hamstrings
° Glutes
° Calves
° Quadriceps
° Deltoids
° Major Core Muscles