Hi Getstrength, I am a personal trainer and really like using the strength bands with my clients, they are just so versatile. The only problem is, how do I know the resistance level of each band? i.e If I have a client doing assisted pull ups, how do I know how many kgs of assistance is being applied at the bottom?Hey, thanks very much for the email. This is a great question, we get asked this a lot.It is very tricky to answer because there are so many variables, for an example, how you set the … [Read more...] about How to Measure the Resistance of Strength Bands