about muscular dystrophy. compared normal muscle and atrophied muscle. scheme with healthy and weak human.

actin anatomy arm atrophied bicep biceps biology bone bracchium care compared condition contraction degeneration disease disorder duchenne dystrophin dystrophy fiber health healthcare healthy human ill illustration lacertus loss medical medicine muscle muscular musculoskeletal myopathy myosin normal ossis poor protein scheme skeletal time tissue tori torus vector versus weak weakness