💪↔️〰️

#myofibril #muscle fiber #muscle filament #sarcomere #actin-myosin

💪🧬🧵

#muscle contraction #actin-myosin #sarcomere #thin filament #muscle protein #cytoskeleton

💪🎣⚡️

#myosin #protein #motor protein #power stroke #contraction #atp #actin-myosin

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#muscle fiber #shortening #cellular contraction #actin-myosin #biological contraction