In this discussion, you will examine ways in which muscles can be weakened or strengthened.

Objectives

Describe the gross and microscopic anatomy of skeletal muscle.
Describe the anatomical differences between skeletal, smooth, and cardiac muscles.
Explain the current concept of muscle contraction based on three factors: neuroelectrical, chemical, and energy sources.
Define muscle tone.
Compare isotonic and isometric contractions.

Step 1: Respond to the following:

In addition to experiencing disorders and diseases that can affect muscles, people can strengthen or weaken their muscles in various ways. Certain diseases, for example, can weaken muscles; in contrast, people can develop routines that strengthen their muscles.

Describe two ways in which people can, perhaps unintentionally, weaken their muscles. What are two ways in which people can, intentionally or unintentionally, strengthen various muscles within their body?
Search a reputable source to find an online article that discusses ways of strengthening muscles. Summarize the article in a sentence or two.
Explain whether you agree or disagree with what the article suggests and why.
Refer to the textbook and the Internet as needed to help find this information and support your responses to these questions.

Step 2: Read other students’ posts and respond to at least two other students. Once again, use any personal experience if appropriate to help support or debate other students’ posts. If differences of opinion occur, students should debate the issues and provide examples to support opinions.

*Be sure to cite any outside sources in APA format.

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