I think everything said made a great deal of sense.
But, consider this, suppose you were to create a killer headline?

I ain't saying your information is not good., however what if you 
added a post title that makes people desire more?
I mean Secret to Increase Vertical Jump in 12 Weeks 
| Jump Manual Review is a little plain. You should glance at 
Yahoo's front page and watch how they create post titles to get people to 
click. You might add a related video or a related picture or two to get 
people excited about everything've written. In my opinion, it would bring your 
website a little livelier.