What Is The Role of Calcium In The Cross Bridge Cycle? To understand the Cross Bridge Cycle & its effect on muscle contraction, you require to be close with the ‘Contractile-Machinery’ that causes muscle shortening & the Sliding-Filament theory. To briefly recap, Muscle-Contraction occurs when the thin Filament, Actin, Slide past the Thick-Filament, myosin, This […]