Bibliography

Source: Internet
title: What muscles are used while swimming the butterfly stroke?
publisher: Rachel Nall.
year of publication: 04 May, 2011
URL: www.livestrong.com/article/article/79173-muscles-used-swimming-butterfly-stroke/#ixzz2ME8GEosG

Source: Internet.
Title: Do swimmers have the best bodies.
Publisher: Nina Makofsky.
Year of Publication: July 6, 2011.
URL: http://www.livestrong.com/article/486424-do-swimmers-have-the-best-bodies/

Source: Internet.
Title: Benefits of the Breaststroke.
Publisher: Jeremi Davidson.
Year of Publication: August 22, 2011.
URL: www.livestrong.com/article/523742-bebfits-of-the-breaststroke/#ixzz2MoLfEdz1

Source: Internet.
Title: Good Techniques to Tone your Body.
Publisher: Carolyn Williams.
Year of Publication: September 3, 2011.
URL: www.livestrong.com/article/534498-good-techniques-to-tone-your-body/

Source: Internet.
Title: What Muscles are worked with Breaststroke.
Publisher: Elizabeth Falwell.
Year of Publication: August 23, 2011.
URL: www.livestrong.com/article/524370-what-muscles-are-worked-with-the-breaststroke/#ixzz2MEEJ7tnZ

Source: Internet.
Title: How many Calories are Burned Swimming.
Publisher: Claire Lunardoni.
Year of Publication: April 29, 2012.
URL: http://www.livestrong.com/article/18842-many-calories-burned-swimming/#ixzz2MoMdXB4g