skeletal muscle tissue

endomysium myofibrils arm epimysium bone perimysium tendon support nuclei motor types cell healthcare normal myocyte sarcomere involuntary tendons layers striation myoglobin mitochondria endocrine semistriated myogenesis nonconscious neurotransmittors sarcolemma myosin nucleus dystrophy actin musculoskeletal symbol treatment body red skeleton orthopedic design injury fiber medical organ striated contraction brittle diagram blood collagen structure human vector muscle tissue skeletal anatomy muscular anatomical pain graphic biceps physical power flat fitness isolated strength education care cardiac science healthy system medicine health disease biology