What is a stretch re?ex, and how does it affect ?exibility exercises?
What will be an ideal response?
The stretch reflex is a muscle contraction that occurs in response to a quick muscle stretch. It can be detrimental to
flexibility exercise in that it can cause muscle contraction when you are stretching the muscle and thereby cause
muscle damage.
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The average U.S. diet delivers an estimated _____ kcalories a day from sweetened beverages
a. 50-75 b. 75-150 c. 160-185 d. 190-225
Is it possible for a person consuming adequate protein and adequate calories to be deficient in niacin? Why or why not?
What will be an ideal response?
What nutrients are typically found in greater quantities in prenatal supplements compared to regular vitamin/mineral supplements?
a. sodium, potassium, chloride b. thiamin, niacin, riboflavin c. folate, iron, calcium d. folate, vitamin B12, vitamin A
Which animal-derived protein is classified as a poor-quality protein?
a. Fish b. Cheese c. Gelatin d. Turkey e. Fatty fish