Ch6: The Muscular System

List the four main functions of the muscular system.

Overview of Muscle Tissue

• Describe similarities and differences in the structure and function of the three types of muscle tissue.
• Identify locations in the body where the three types of muscle tissue are found.
• Define the Muscular System.
• Define, explain and identify the following: endomysium, perimysium, epimysium, tendon, and aponeurosis.

Microscopic Anatomy of Skeletal Muscle

• Identify the basic structural components of skeletal muscle.
• Explain the role of actin and myosin in muscles fibers.

Skeletal Muscle Activity

• Explain how the action potential is started in muscle cells.
• Describe the events of muscle cell contraction.
• Define graded response, tetanus, isotonic and isometric contractions, and muscle tone in reference to the muscular system.
• Describe three ways ATP is regenerated during muscle activity.
• Define Oxygen debt and muscle fatigue, and list causes of fatigue.
• Describe the affects of aerobic and resistance exercise on skeletal muscle and other body organs.

Muscle Movements, Types and Names

• Define origin, insertion, prime mover, antagonist, synergist, and fixator as related to muscles.
• Demonstrate or identify the different types of body movements.
• List criteria used in naming muscles.

Gross Anatomy of skeletal muscles.

• Name and locate the major muscles of the human body using a diagram.
• Identify the main action of the major muscles of the human body.

Developmental Aspects of the Muscular System.

• Explain importance of nerve supply and exercise in keeping muscles healthy.
• Describe the changes that occur in aging muscles.

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