Related Terms: Myofibril, Troponin, Myosin, Sarcomere, Tropomyosin, Sliding filament theory, Sarcolemma, Striated muscle, Actin, Actin filament, Muscle tissue, Muscle , Cardiac muscle, Creatine kinase, Smooth muscle, Contractility, Myoblast, Microfilament, Inotropic, Sarcoplasmic reticulum, Dystrophin, Skeletal muscle, Voluntary muscle, Myoglobin, Creatine monohydrate, Rhabdomyolysis, Creatine, Creatine phosphate, Involuntary muscle, Golgi tendon organ, Pectoralis major, Muscular system, Mesomorph, Leiomyosarcoma, Muscles, Twitch, Submuscular, Spasmolytic, Tone, External sphincter, Muscular, Pecs, Hypertonicity, Synergist, Proprioceptive neuromuscular facilitation, Pnf, Hypertonia, Rhabdomyosarcoma, Fasciculations