ResearchHeart myofibril geometry

How can the heart beat without getting tangled? Why is the helicoid so universal in biology?

• Savadjiev, P.Strijkers, G.Bakermans, A.Piuze, E.Zucker, S.Siddiqi, K.Heart wall myofibers are arranged in minimal surfaces to optimize organ functionProc. Nat. Acad. Sci. (USA)109249248-92532012