How a Muscle Contracts | Muscle Physiology 101
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YouTubeThe Movement System
How a Muscle Contracts | Muscle Physiology 101
Here’s how a Muscle Contraction works: 1️⃣ Neural signal becomes strong enough to send an action potential 2️⃣ Action potential crosses the Neuromuscular junction and causes a release of calcium ions 3️⃣ Calcium binds to troponin 4️⃣ Troponin moves the tropomyosin to explode the binding sites 5️⃣ Myosin binds to actin ...
114.9K viewsApr 22, 2024
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Meat can fasciculate, or twitch, after being cut due to the presence of residual energy and nerve endings within the muscle tissues. Even after an animal is slaughtered, its muscle cells can retain adenosine triphosphate (ATP), the energy molecule necessary for muscle contraction. When the meat is cut and the muscle cells are exposed to air, the remaining ATP can trigger muscle fibers to contract, causing the fasciculation or twitching effect. This phenomenon is more commonly observed in freshly
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