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Muscle Contraction - Cross Bridge Cycle, Animation.
2:49
YouTubeAlila Medical Media
Muscle Contraction - Cross Bridge Cycle, Animation.
(USMLE topics) Molecular basis of the sliding filament theory (skeletal muscle contraction) - the cross bridge cycle. Purchase a license to download a non-watermarked copy of this video on AlilaMedicalMedia(dot)com Voice by: Sue Stern ©Alila Medical Media. All rights reserved. Muscle contraction is at the basis of all skeletal movements ...
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Sahith krishna on Instagram: "Muscle Contraction – Sliding Filament Theory Actin & myosin filaments slide → muscle shortens. 🔹 Steps: 1. Nerve impulse → Ca²⁺ released from sarcoplasmic reticulum. 2. Ca²⁺ binds troponin → tropomyosin shifts → actin exposed. 3. Cross-bridge formation → myosin head binds actin (ATP needed). 4. Power stroke → myosin pulls actin → contraction. 5. ATP attaches → cross-bridge detaches. 6. Relaxation when Ca²⁺ pumped back. 📌 For more lectures: drkrishnalectures 📲 Wha
Sahith krishna on Instagram: "Muscle Contraction – Sliding Filament Theory Actin & myosin filaments slide → muscle shortens. 🔹 Steps: 1. Nerve impulse → Ca²⁺ released from sarcoplasmic reticulum. 2. Ca²⁺ binds troponin → tropomyosin shifts → actin exposed. 3. Cross-bridge formation → myosin head binds actin (ATP needed). 4. Power stroke → myosin pulls actin → contraction. 5. ATP attaches → cross-bridge detaches. 6. Relaxation when Ca²⁺ pumped back. 📌 For more lectures: drkrishnalectures 📲 Wha
Instagramdrkrishnalectures
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