Answer:
The American Heart Association recommends a minimum of 30 minutes of cardiovascular exercise 5 to 7 days per week. Don't forget warm-up, cool-down and stretching exercises in your aerobic exercise session
Explanation:
Answer is A: lumbar vertebrae
Static stretching refers to stretching which encourages you to slowly stretch your body to the farthest point without pain (but it can also hurt a bit, it just has to stay under the limit of discomfort) and you have to keep it in that position for some time. For that reason, I'd say that the correct answer is D.
The main idea is usually in the first sentence of the essay or in the last paragraph. I believe that C is the correct answer. I hope this helped and feel free to thanks me, rate me 5/5 and make me brainliest!!!