The swinging cross bridge theory for muscle contraction envisages that the myosin cross bridge binds to the actin filament in ... the crystal structure of the smooth muscle myosin motor-domain ...

seen as a cross-bridge between actin and myosin filaments in muscle, acts as the motor domain of the molecule and pulls actin filaments along by repetitive conformational changes coupled to ATP ...

Medically reviewed by Katrina Carter, DPTSkeletal muscles are voluntary muscles that can be consciously controlled, such as the muscles of your neck, arms, and legs. It makes up 30% to 40% of human ...