Overcoming Isometrics: Isometric Exercises for Building Muscle and Strength (The Grind Style Calisthenics Series) Paperback – May 19, 2020

Overcoming Isometrics: Isometric Exercises for Building Muscle and Strength (The Grind Style Calisthenics Series)

WorldFit ISO Trainer - Isometric Exercise for Strength Training, Stretching, Yoga, Pilates - a USA Company

The Ultimate Isometrics Manual, Building Maximum Strength and Conditioning with Static Training