After
you have studied this chapter, you should be able to:
Types and Functions of Muscles (p. 111)
- Describe the three types of muscles, and
indicate whether each type is voluntary/involuntary, striated/nonstriated.
- Name and discuss four functions of muscles.
Skeletal Muscle Structure and Contraction (p. 111)
- Describe the anatomy of a whole muscle
and a muscle fiber.
- Describe the manner in which a muscle
fiber contracts.
- Describe a muscle twitch, summation, and
tetanus.
- Describe how ATP is made available for
muscle contraction.
- Discuss how muscles work together to achieve
movement.
- Explain muscle tone and the effect of
contraction on the size of a muscle.
Skeletal Muscles of the Body (p. 117)
- Name the superficial muscles of the head,
neck, and trunk; shoulder and upper limb (arm); and thigh and lower limb
(leg). Indicate their origins and insertions, and give their functions.
Effects of Aging (p. 129)
- Anatomical and physiological changes occur
in the muscular system as we age.
Working Together (p. 130)
- The muscular system works with other systems
of the body to maintain homeostasis.
Visual Focus
- Contraction of a Muscle (p. 113)
MedAlert
- Benefits of Exercise (p. 116)
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