Human Anatomy and Physiology

Biology 1220

Chapter 10 Muscle Tissue and Muscle Physiology

 

Module 10.1 Overview of Muscle Tissue
Learning Outcomes
1.     Describe the major functions of muscle tissue.
2.     Name and describe the structural elements and properties common to all types of muscle cells.
3.     Compare and contrast the characteristics of skeletal, cardiac, and smooth muscle tissue.
 
Module 10.2 Structure and Function of Skeletal Muscle Fibers
Learning Outcomes
1.     Describe the structural properties and components of a skeletal muscle fiber.
2.     Explain the organization of a myofibril.
3.     Describe the structure and components of thick, thin, and elastic filaments.
4.     Name and describe the function of each of the contractile, regulatory, and structural protein components of a sarcomere.
5.     Explain the sliding-filament mechanism of muscle contraction.
 
Module 10.3 Skeletal Muscle Fibers as Electrically Excitable Cells
Learning Outcomes
1.     Contrast the relative concentrations of sodium and potassium ions inside and outside a cell.
2.     Differentiate between a concentration gradient and an electrochemical gradient.
3.     Describe how the resting membrane potential is generated.
4.     Describe the sequence of events of a skeletal muscle fiber action potential.
 
Module 10.4 The Process of Skeletal Muscle Contraction and Relaxation
Learning Outcomes
1.     Describe the anatomy of the neuromuscular junction.
2.     Describe the events at the neuromuscular junction that elicit an action potential in the muscle fiber.
3.     Explain excitation-contraction coupling.
4.     Describe the sequence of events involved in the contraction cycle of a skeletal muscle fiber.
5.     Explain the process of skeletal muscle fiber relaxation.

 

Module 10.5 Energy Sources for Skeletal Muscle
Learning Outcomes
1.     Describe the immediate energy sources available to muscle fibers.
2.     Describe the glycolytic and oxidative mechanisms that muscle fibers use to obtain ATP for muscle contraction.
3.     Explain the duration of activity that each ATP source can fuel.

 

Module 10.6 Muscle Tension at the Fiber Level
Learning Outcomes
1.     Describe the stages of a twitch contraction, and explain how a twitch is affected by the frequency of stimulation.
2.     Relate tension production to the length of a sarcomere.
3.     Compare and contrast the anatomical and metabolic characteristics of type I and type II muscle fibers.

 

Module 10.7 Muscle Tension at the Organ Level
Learning Outcomes
1.     Describe the structure and function of a motor unit.
2.     Explain how muscle tone is produced.
3.     Compare and contrast the three types of contractions.

 

Module 10.8 Skeletal Muscle Performance
Learning Outcomes
1.     Describe the effects of physical conditioning on skeletal muscle tissue, and compare and contrast endurance and resistance training.
2.     Explain the factors that contribute to muscular fatigue.
3.     Summarize the events that occur during the recovery period.
 
Module 10.9 Smooth and Cardiac Muscle
Learning Outcomes

1.     Describe the structure, location in the body, and functions of smooth and cardiac muscle tissue.
2.     Describe the contraction process of smooth muscle fibers, and contrast it with skeletal muscle fiber contraction.

Notes part A

Notes part B

Notes part C

10A

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