Power Iso-Tension 15 Week Muscle-building introductory Mi...
Birch, Marlon Power Iso-Tension 15 Week Bodybuilding Introductory Mini Course is a Revolutionary Comprehensive Exercise System which utilizes Self Resistance Exercises to build muscle and sculpt the body safely and easily. Perfect for boys and girls, men and women. Marlon Birch combined the most effective and efficient exercises and methods to coax muscle growth, strength and chiseled muscle!
These exercises are incredibly safe, effective and can be done a...