Define Muscle Action Explained for Students (Easy Guide)

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Original Question

14.Define Muscle Action Potential. 15.Draw a sarcomere and include the following: Z line, M line, Myosin, Actin, Myosin Head, Troponin, Tropomyosin. 16.Where is Calcium stored? 17.Where does ATP attach in order to fuel a power stroke? 18.Does the length of the myofilaments ever change during contraction? 19.What do we call a nerve cell? 20.Describe the axon of a nerve .21.What is the motor unit? 22.What is the junction between an axon terminal and muscle fiber?23.What is the distal end of the axon terminal? 24.What membrane enclosed sacs within the synaptic end bulbs stores neurotransmitters? 25.What is the synaptic cleft? 26.What neurotransmitter plays a large role in initiating an action potential in a muscle? 27.Describe the all or none principle. 28.Describe the threshold stimulus. 29.Using bullet points or numbers briefly describe the steps of the sliding muscle filament theory. 30.What part of a muscle is usuallymore proximal and usually has a larger surface area of attachment? 31.What is the insertion? 32.What do we call the “belly” of a muscle? 33.What is the difference between agonist and antagonist? Give an example. 34.What kind of muscles or as “assisters” for the agonist muscle? 35.What muscle is primarily involved in breathing? 36.What disease is characterized by pain of the muscles, tendon, and surrounding tissues? 37.What is the treatment for shin splints? 38.What muscle most likely experiences tendonitis with shin splints? 39.What tissue surrounds a bone and can be inflamed with shin splints? 40.Describe muscular dystrophy. 41.What injury involves the tearing of a ligament? 42.What injury involves the tearing of a muscle or tendon?

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