Soccer
www.livestrong.com/article/466311-muscles-used-to-play-soccer/
Baseball/Softball
http://www.livestrong.com/article/449683-the-most-important-muscles-for-baseball/
Football
http://www.livestrong.com/article/461382-main-muscles-used-in-football/
Gymnastics
http://www.livestrong.com/article/459997-muscles-that-gymnasts-use/
Basketball
http://www.livestrong.com/article/84389-muscles-used-shooting-basketball/
Boxing
http://www.livestrong.com/article/274102-when-punching-a-boxing-bag-what-muscles-are-you-using/
Hockey
http://www.livestrong.com/article/454304-what-muscles-are-used-while-playing-hockey/
dkyriakidesaprac.wordpress.com/2012/11/10/movement-muscular-breakdown-of-2-skills-from-hockey/
Swimming
www.livestrong.com/article/145931-what-muscles-does-swimming-exercise/
www.slideshare.net/dylanharrigan/body-systems-used-in-swimming
healthyliving.azcentral.com/body-parts-used-swimming-6496.html
Tennis
http://www.livestrong.com/article/105577-muscles-body-used-tennis/
Skateboarding
http://www.livestrong.com/article/426325-what-muscles-does-skateboarding-work/
Rollerskating
http://www.livestrong.com/article/481644-what-muscles-does-rollerblading-work/
www.livestrong.com/article/466311-muscles-used-to-play-soccer/
Baseball/Softball
http://www.livestrong.com/article/449683-the-most-important-muscles-for-baseball/
Football
http://www.livestrong.com/article/461382-main-muscles-used-in-football/
Gymnastics
http://www.livestrong.com/article/459997-muscles-that-gymnasts-use/
Basketball
http://www.livestrong.com/article/84389-muscles-used-shooting-basketball/
Boxing
http://www.livestrong.com/article/274102-when-punching-a-boxing-bag-what-muscles-are-you-using/
Hockey
http://www.livestrong.com/article/454304-what-muscles-are-used-while-playing-hockey/
dkyriakidesaprac.wordpress.com/2012/11/10/movement-muscular-breakdown-of-2-skills-from-hockey/
Swimming
www.livestrong.com/article/145931-what-muscles-does-swimming-exercise/
www.slideshare.net/dylanharrigan/body-systems-used-in-swimming
healthyliving.azcentral.com/body-parts-used-swimming-6496.html
Tennis
http://www.livestrong.com/article/105577-muscles-body-used-tennis/
Skateboarding
http://www.livestrong.com/article/426325-what-muscles-does-skateboarding-work/
Rollerskating
http://www.livestrong.com/article/481644-what-muscles-does-rollerblading-work/