Discussion Questions – Chapter 5

Directions: In one, fully-developed paragraph, answer any one (1) question only.

1. What is the respiratory exchange ratio (RER)? Explain how it is used to determine the oxidation of carbohydrate and fat.
2. What is maximal oxygen uptake? How is it measured? What is its relationship to sport performance?
3. What is the lactate threshold? What is its relationship to sport performance?
4. Describe the possible causes of fatigue during exercise bouts lasting 15 to 30 seconds and 2 to 4 hours.         
5. Identify and discuss the causes of DOMS. What type of muscle activity is thought to be the primary cause of DOMS?                                     Please review the Discussion Board guidelines in the syllabus- Original post must have at least 200 words and each reply to a classmate at least 150 words (2 replies= 300 words)