Sliding Filament Theory Coloring - Color the motor neuron yellow. A gastrocnemius muscle (calf) with striped pattern of sarcomeres the view of a mouse gastrocnemius (calf) muscle under. A sarcomere in relaxed (above) and contracted (below) positions. Web the most widely accepted theory explaining how muscle fibers contract is called the sliding filament theory. A muscle contraction starts in the brain, where signals are sent along the motor neuron (a).
Web the most widely accepted theory explaining how muscle fibers contract is called the sliding filament theory. Color the motor neuron yellow. A sarcomere in relaxed (above) and contracted (below) positions. A muscle contraction starts in the brain, where signals are sent along the motor neuron (a). A gastrocnemius muscle (calf) with striped pattern of sarcomeres the view of a mouse gastrocnemius (calf) muscle under.