Health Science 1 Ms. Page



1.05 Muscular System Case Studies Name_________________

Handout Date__________________

Directions: Read each scenario and answer the questions using complete sentences and in your own words.

1. A 45 year old woman was 25 pounds overweight and did not exercise regularly. She joined a gym that had circuit training. After eight months of regular workouts, she was disappointed that she had lost only five pounds. She asked her trainer why her clothes were loose and why she had lost only five pounds. When her measurements were taken, she had lost 19 total inches (arms, thighs, hips, waist and abdomen) since starting regular work outs. Explain why her clothes fit, but there was minimal weight loss.

2. When teaching an exercise class at the local community center, the personal trainer used the following terms. Explain what each term means; its importance to the muscular system; and an example of the condition using your own words.

A. Hypertrophy

B. Atrophy

C. Muscle fatigue

3. A patient participating in a cardiac rehabilitation program asked why he gets so hot when he exercises. What would you tell him?

4. A patient comes into the emergency department with hypothermia and states she cannot stop shivering. She asks why our bodies shiver when she gets cold. How do you explain shivering to her?

5. A 70 year old male has been active and athletic all his life. He recently noticed that he does not have as much stamina as he once did. He also reports that he seems to fatigue more quickly when he runs on the treadmill. As his healthcare provider, explain why these changes are occurring with him.

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