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Chuck Sketch, a former U.S. Marine and a Wounded Warrior with the veteran swim team, swims laps during a practice session at the 2012 Marine Corps Trials at Marine Corps Base Camp Pendleton, California, February 14, 2012. Wounded Warriors, veterans, and allies competed in the second annual trials, which included swimming.

Swimming is primarily a cardiovascular/aerobic exercise[1] due to the long exercise time, requiring a constant oxygen supply to the muscles, except for short sprints where the muscles work anaerobically. Furthermore, swimming can help tone and strengthen muscles.[2] Swimming allows sufferers of arthritis to exercise affected joints without worsening their symptoms. However, swimmers with arthritis may wish to avoid swimming breaststroke, as improper technique can exacerbate arthritic knee pain.[3] As with most aerobic exercise, swimming reduces the harmful effects of stress. Swimming is also effective in improving health for people with cardiovascular problems and chronic illnesses. It is proven to positively impact the mental health of pregnant women and mothers. Swimming can even improve mood.[4] Although many forms of physical activity have been shown to improve bone density and health, this is where swimming has its downfalls. Due to the low-impact nature of the sport, studies have demonstrated that bone mass acquisition will be negatively impacted, which could be an issue for adolescent athletes in particular.[5]

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  1. ^ Cooper, Kenneth H. (1983) [1968]. Aerobics (revised, reissue ed.). Bantam Books. ISBN 978-0553274479.
  2. ^ Services, Department of Health & Human. "Swimming - health benefits". Retrieved 2018-09-11.
  3. ^ "How to Fix and Prevent Breaststroker's Knee". YourSwimLog.com. 2016-09-03. Retrieved 2019-11-16.
  4. ^ "CDC - Health Benefits of Water-based Exercise - Healthy Swimming & Recreational Water - Healthy Water". www.cdc.gov. Retrieved 2015-10-01.
  5. ^ Seabra, André; Fernandes, Ricardo J.; Marques, Elisa; Moura, Miguel; Ubago-Guisado, Esther; Hernando, Enrique; Gallardo, Leonor (2017-12-28). "Impact of Futsal and Swimming Participation on Bone Health in Young Athletes". Journal of Human Kinetics. 60 (1): 85–91. doi:10.1515/hukin-2017-0092. PMC 5765788. PMID 29339988.