
P. Healy
“Been using this strap for a couple of weeks now. It's great. Well made, very durable, comfortable handles, easy adjustable buckles for tightening and loosening on the fly."

Spyda
"For those who wanna do isometrics, I highly recommend this product. This is very well made, High quality. very versatile. Light weight, can take it anywhere. I'm glad I made this purchase.."

Nina
“We are retired and camp in our van all winter. The WorldFit isometric straps is perfect for doing strength and resistance exercises. Lightweight, portable, easy to use anywhere. IVery happy I bought these.”
Books on Isometrics & Calisthenics
Please note that clicking on any of the below links in this "Books on Isometrics & Calisthenics" section will re-direct away from the WorldFit, Inc. site. WorldFit, Inc. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
Looking for literature regarding additional exercises that can be performed using the ISO Trainer or the Crazy-8 Pull-Up Grips? Check out the following book by Matt Schifferle
Overcoming
Isometrics
Looking for additional literature regarding exercises to help you enhance your isometric/calisthenic training? Check out our list of recommended books here: