My References
http://kidshealth.org/kid/htbw/muscles.html
http://www.google.com/imgres?q=labeled+muscular+system+diagram&hl=en&safe=strict&gbv=2&biw=1280&bih=827&tbm=isch&tbnid=Ii0xxtqBxYAN6M:&imgrefurl=http://www.human-body-facts.com/human-body-muscle-diagram.html&docid=y7xh7g2-EW63gM&imgurl=http://www.human-body-facts.com/images/human-body-muscle-diagram.jpg&w=385&h=424&ei=EhheT_rJGc-qsAK7juHGDQ&zoom=1&iact=hc&vpx=177&vpy=133&dur=4485&hovh=236&hovw=214&tx=67&ty=131&sig=115207176424980607092&page=1&tbnh=147&tbnw=132&&ndsp=27&ved=1t:429,r:0,s:0
http://en.wikipedia.org/wiki/Achilles_tendon
http://en.wikipedia.org/wiki/Gastrocnemius_muscle
http://www.buzzle.com/articles/muscular-system-facts.html
http://www.google.com/imgres?q=labeled+muscular+system+diagram&hl=en&safe=strict&gbv=2&biw=1280&bih=827&tbm=isch&tbnid=Ii0xxtqBxYAN6M:&imgrefurl=http://www.human-body-facts.com/human-body-muscle-diagram.html&docid=y7xh7g2-EW63gM&imgurl=http://www.human-body-facts.com/images/human-body-muscle-diagram.jpg&w=385&h=424&ei=EhheT_rJGc-qsAK7juHGDQ&zoom=1&iact=hc&vpx=177&vpy=133&dur=4485&hovh=236&hovw=214&tx=67&ty=131&sig=115207176424980607092&page=1&tbnh=147&tbnw=132&&ndsp=27&ved=1t:429,r:0,s:0
http://en.wikipedia.org/wiki/Achilles_tendon
http://en.wikipedia.org/wiki/Gastrocnemius_muscle
http://www.buzzle.com/articles/muscular-system-facts.html