Fibrodysplasia Ossificans Progressiva (FOP)?

Answers:
Fibrodysplasia ossificans progressiva is a disorder of connective tissue that ultimately results in massive bone formation across the body's major joints, eventually rendering movement impossible. The disorder affects one in two million people worldwide, and there are 200 known cases in the U.S.

---

FOP is an inherited generalized disorder of connective tissue in which bone replaces tendons, fasciae, and ligaments.For more details on the subject, check out this link: http://www.answers.com/fibrodysplasia%20.

---