Running has recently been shown, in contrast to previously held views, to strengthen spinal disks. [1] Pull-ups/chin-ups/dips are probably the best upper body

Running has recently been shown, in contrast to previously held views, to strengthen spinal disks. [1] Pull-ups/chin-ups/dips are probably the best upper body weight exercise, followed by classic floor exercises pushups and leg raises for the core. Many of these stress bones in addition to the muscles. [1] http://www.deakin.edu.au/about-deakin/media-releases/articles/world-first-study-shows-running-can-strengthen-the-discs-in-the-spine http://www.deakin.edu.au/about-deakin/media-releases/article...