Comment what you’d like to see next! The modified Thomas test is a great way of testing your hip flexor mobility, plus it can also tell you if other things are tight if you pay attention.Here’s how to do it and how to interpret it.Lay down on a hard surface like a chair or bench and hang your legs, bent hanging off the end.It can't be sift like a couch or bed because that will make hip mobility issues too hard to see.From here pull one knee up until your thigh runs into your body and your lower