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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Exp Gerontol. 2010 Mar 11;45(5):389–393. doi: 10.1016/j.exger.2010.03.007

Figure 2.

Figure 2

Sample of myofibers histochemically stained for myosin ATPase activity following acidic pre-incubation. Darkest myofibers are type I, lightest myofibers are type IIA, and intermediately stained myofibers are type II X/B. Original magnification of X 400.