Muscle Study Quetions
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Name and describe the three muscle types, structurally and functionally.
What are the functions of muscles?
Discuss the 4 characteristics of muscles?
What is the difference between an agonist and an antagonist?
What is the difference between origin and insertion of a muscle?
Differentiate between epimysium, perimysium, and endomysium.
Know the structure of muscle from largest ( the muscle) to smallest.
Describe the purpose of each of the following minerals in muscle contraction: Ca, Na, K
What neurotransmitter is released from the axon to stimulate a muscle action potential?
What is meant by reaching threshold?
Describe the difference between myosin and actin.
How do myosin and actin act upon each other?
What is ATP and what is the importance of it in muscle contraction and relaxation?
What is the difference between a tendon and an aponeurosis.
What is the functional unit of the muscle fiber?
What is the function of the sarcoplasmic reticulum?
What is an action potential?
What is meant by depolarization and repolarization of the muscle?
What determines the contraction strength of a muscle?
What is rigor mortis?
Explain the difference between the phosphagen system, anaerobic metabolism, and aerobic metabolism in
muscles.
What is muscle fatigue?
What is oxygen debt?
What is a twitch?
What is a motor unit?
What is the difference between an isometric and an isotonic contraction?
What is muscle tone?
Differentiate between slow fibers and fast fibers.
What is the difference between a spasm and a cramp?
How is smooth muscle contraction different from skeletal muscle contraction?
What is the difference between single unit smooth muscle and multi nit smooth muscle?
Be able to label the zones of a sarcomere?
Be able to label a skeletal muscle?