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#strong #selcsum #powerful #hard #muscle contraction #robust #potent

⚡🧂💧

#electrolytes #sodium #potassium #chloride #fluid balance #nerve impulses #muscle contraction #body mineral

💪➡️🤏

#muscle contraction #flexing #shrinking #tightening #size reduction

⚡️💪🧵

#muscle contraction #motor unit #neuromuscular activation #muscle fiber function #myocyte action

🧍🧱🕒

#body stiffness #rigidity #postmortem #corpse #time of death #muscle contraction

💪💢⚡

#muscle contraction #flexing #muscle tension #spasm #cramp #bicep curl

💪↔️❤️‍🩹

#muscle contraction #muscle relaxation #elasticity #sarcomere structure #titin function #cardiomyopathy

🧠→💪💪💪

#motor neuron #muscle fibers #innervation #neuromuscular junction #brain control #muscle contraction #efferent pathway

💪⚡️🦾

#neuromuscular junction #acetylcholine #muscle contraction #somatic nervous system #motor neuron #nicotinic receptor

❤️⚡💪

#heart electricity #action potential #ecg #ekg #heart rhythm #myocardium #muscle contraction #cardiology

💪🧬🧵

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

💪⬆️⬇️

#reps #push ups #pull-ups #bicep curls #muscle contraction #workout motion #exercise movement #strength exercise #pumping action

💪↪️🤏

#arm flexion #bicep curl #elbow flexion #muscle contraction #bending arm

💪↔️🧶

#muscle contraction #thin filament #myosin #sarcomere #f-actin

🏋️💪💥

#muscle strength #muscle contraction #force generation

💪↔️🔬

#sarcomere #muscle contraction #sliding filament theory #contractile unit #muscle physiology #microscopic anatomy

💪🏋️➡️

#isotonic exercise #muscle contraction #constant tension #dynamic exercise

🦵↩️

#flexor muscle #muscle contraction #knee flexion #leg bending #hamstring curl #physiology

💪↩️

#flexor muscle #muscle contraction #joint bending #physiology #bicep curl #arm flexion

💪🪶🔬

#actin protein #muscle contraction #cytoskeleton #microfilament #thin filament