As a possible treatment for such conditions as congestive heart failure, this technique could present an alternative to current therapies that counteract heart muscle weakness by boosting cellular calcium content, Shroff said. The heightened calcium improves muscle contraction but also results in more energy consumption in hearts that often are energy-starved to begin with.

This could prove to be a much safer way to treat these patients. Next is looking at the contraction overall in the whole animal and not just a slice of cardiac muscle.
via Science Daily

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