<span>Use the machine to increase the incline and intensity </span>
Answer:
Roughly around 250,000 to 500,000 WORLDWIDE
But in the U.S alone about 3,000 to 49,000 (from 1976- 2006)
It would be heart. I hope this helps
I would guess that the posture would be answer B. Awkward. Because it sounds like of like the person is slouching.
I hope I helped! If this was the right answer, please mark me brainliest!