Want To Improve Your CV Fitness?
For those of you who dont know CV (cardio vascular) fitness refers to the ability of the heart and lungs to provide the body with enough nutrients (mainly oxygen) for it to function during activity and remove waste products such as carbon dioxide and lactic acid also. Athletes with well developed CV systems will find that they do not fatigue as quickly and can work at higher intensities of exercise as well. Sports like sprinting and discus do not work the CV system very much at all, as muscles do not use oxygen in fast powerful events. Some sports however do ask a lot of the CV system. Lets take a closer look at 3 of the most demanding sports on the CV system.
Skiing. It has been proven that cross-country skiing demands more of the cardio vascular system than any other sport. This is because competitive events usually take place over very long distances and skiers encounter lots of different inclines to conquer. Also, cross country skiing uses nearly every single muscle in the body which means energy demands on the heart and lungs is very high. So if youre looking to build your CV system, switch your snowboards for skis next time youre on the slopes.
Cycling. Riding a bike, especially in competitive road racing, can cause the heart and lungs to work overtime as they attempt to feed the large leg muscles. The 7 time Tour De France winner Lance Armstrong is testament to that, having one of the highest VO2 max scores of any athlete. This refers to the amount of 02 that the body can take in and the muscles can use in 1 minute. Based on that evidence, if youre thinking about getting rid of your old cycling machine or second hand bikes, you might want to think again.
Kayaking. Despite the fact a kayaker uses their lower body very little in this sport compared to most aerobically demanding disciplines, his or her CV system still gets a pounding. This is largely down to the fact that kayakers use their upper-bodies a vast amount and there are hundreds of smaller muscles here demanding the large supply of oxygen and removal of lots of carbon dioxide. For second hand kayaks and surfboards check out EST.
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