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Contractile properties of isolated dystrophic cardiac myocytes. A, B) Electrically stimulated contraction of isolated cardiac myocytes from control and dystrophic cardiac myocytes, summarized as fractional shortening (A) and time to 75% of peak height (B). C) Diastolic tone of isolated cardiac myocytes is evident in the resting sarcomere length. *P < 0.05 vs. control; n = 23–57 myocytes.
