13 Feb 08 - 09:55 AM: For decades, muscle fatigue had been largely ignored or misunderstood. Leading physiology textbooks did not even try to offer a mechanism, said Dr. Andrew Marks ... In a report published Monday¹ in an early online edition of Proceedings of the National Academy of Sciences, Dr. Marks says the problem is calcium flow inside muscle cells. Ordinarily, ebbs and flows of calcium in cells

¹ Monday of this year? - - As no link to source was given, I had to look this up for myself, and find numerous descriptions exactly matching what's said above dating as far back as 1997 (and possibly earlier for a couple undated ones).

I'll watch for something new on the subject though.

John