In our experience: Almost every niggle and muscle injury can be healed faster (and avoided!) with regular use of a TriggerPoint GRID foam roller.
I honestly think I would not be still running today if I had not got hooked on this product a few years ago.
Not just a highly effective device for self massage and finding those trigger points (especially in calf muscles - ouch!), but a brilliant full body workout device at the same time! I use it at least 4 times per day for around 10 minutes and helps keep me 100% injury free.
For me, this item is a vital as my running shoes. I could not continue to run without either.
I can't recommend it enough. How do you use it? So many great videos on Youtube, study a few, start slow and gradually build up in how much pressure you apply with a fluid motion. It works!
Ps. Don't buy the cheap copies of this item, they are a waste of money)
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