Muscle contraction involves the interaction of actin and myosin filaments, which requires ATP to break the bond and re-cock the myosin head for reattachment.

“the way the muscle contracts is so there is a imagine that you're rowing a boat on the water so water is one proteins called actin and masin is the the ores that are moving in there so the ore dips into the water Hooks and pools and that ore relies on available energy in the muscle so these uh ATP molecules of you know stored energy they're floating around and the head mein head needs needs that ATP in order to both to hook to produce Force but it also it needs ATP to unhook as well”