Multi Angle Strength Systems NJ

About John Boos

John L. Boos has made the study of the health and well-being of the human body his life’s work. He started strength training in his teenage years and has continued that ongoing process into his 70’s. John has won many bodybuilding titles, including Mr. World (two time winner), Mr. New York State, Mr. East Coast, and Mr. Eastern America.

Over a period of decades, John has developed strength equipment that improves function and effectiveness for the trainer, while adding diversity to each workout. The items he has designed include benches, selectorized and plate-loading machines, and unique handles to allow varied grips and positions for a multitude of exercises.

John owns the “Boos World” Personal Training facility in West Babylon, New York. He is a Certified Professional Medical Exercise Specialist, now having more than 50 years of experience in the health and fitness field. He is considered one of the nation’s most highly respected experts in exercise and strength training. John is certified with the National Strength and Conditioning Association (NSCA) and the American Council on Exercise (A.C.E.). John is also a New York State Licensed Sports and Medical Massage Therapist, including having served as massage therapist at many official sporting events, including the U.S. Open Tennis Championships.

John is a frequent guest speaker and lecturer on strength training, massage and sports conditioning.

Learn more by visiting Boos World.

John Boos discusses his background and equipment concepts

Thank you

John Boos M.A.S.S. Professional Strength Equipment

John has worked with KING STRENGTH to create the “John Boos M.A.S.S.” line. The ability to change the angle of every exercise adds diversity while the enhanced functional aspects of each piece assure safe, progressive results. This specialized line is outstanding for all strength training settings, including Personal Training, Physical Therapy, and Rehabilitation, in addition to sports teams at the High School, College and Professional levels.


Each M.A.S.S. piece is designed for PROPER FUNCTION and EFFECTIVENESS.