Board Thread:Questions and Answers/@comment-172.250.98.20-20131022021621/@comment-124.197.105.181-20140216115054

Well, you guys who are wondering how come Kirito can walk right after a 2-year coma, the answer probably is: the future.

Remember, this whole SAO arc takes place in the future where technology is so advanced that humans can immerse themselves in virtual reality worlds like SAO. So let's just assume medical science made the same progress.