fitness, working out assignment

one article summaries from a science-based journal.

Note: you can choice article about having problem with lower back and i am trying to run more and workout to have better health and i spend a long time in front of tv, and trying to change that, u can talk about it

1- what is the topic is being discussed in the article?
2- what conclusion/points do the author make?
3- what next? how will you use this information in the future?