Runner World just wrote a great article on undertanding your Fascia. Check it out.
You've got this injury you just can't shake.You take time off. You ice and stretch and do all the right things but you're still limping home. You spend too much time trying to articulate your particular brand of hurt to those loved ones who still put up with you. You follow referrals to physical therapists and massage therapists and you'd go to an aromatherapist if it'd help you run again, but nothing does. You diagnose yourself on WebMD: You're a structurally flawed human being for whom recovery is impossible.
DON'T GIVE UP YET
The answer may be right under your fingertips. About 2mm under your fingertips, to be precise. Under your skin, encasing your body and webbing its way through your insides like spider webs, is fascia. Fascia is made up primarily of densely packed collagen fibers that create a full body system of sheets, chords and bags that wrap, divide and permeate every one of your muscles, bones, nerves, blood vessels and organs. Every bit of you is encased in it. You're protected by fascia, connected by fascia and kept in taut human shape by fascia.