👤💪🔬

#muscle anatomy #muscle tissue #kinesiology #muscle fiber #human body structure

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#muscle anatomy #muscle biology #physiology #human body #muscle science #kinesiology #muscle tissue

3️⃣💪

#triceps #three heads #tri's #muscle anatomy #arm muscle

[➖🧲➖]

#sarcomere #contractile unit #muscle segment #actin filament #myosin filament #muscle anatomy

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#figure competition #fitness biology #body composition #muscle anatomy