Cardiovascular fitness is the ability of the heart, lungs and circulatory system to supply oxygen and nutrients to working muscles efficiently, and allows activities that involve large muscle groups (walking, running, swimming, biking, etc.) to be performed over long periods of time.
I hope this helps
Answer:
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<span>Anyone
telling you cardio burns fat is dead wrong. If you plan on doing
steady-state cardio (running laps non-stop) work, you MUST have a heart
rate monitor and stay within a very specific heart rate range. Most
steady-state cardio for even lean athletes puts their heart beyond a
fat-burning range very quickly..................
ALSO:
</span>
<span>If
you have or can get a heart rate monitor, great. You'll need to do some
ground work to determine your heart rate zones, but this is the only
guaranteed way to ensure you're burning fat, not muscle.
If you don't have a HRM, interval training is your next best bet. Do 60
(yes sixty) sets of 8 seconds of full on sprinting/cycling/etc. followed
by 12 seconds of rest/recovery effort.
If that sounds like something you can't or won't do, lifting heavy
weights is the next best option. Building lean muscle mass will drive
your metabolism and force your body to burn more calories (at a lower
heart rate) than steady-state cardio. I hope this helps you ^-^</span>
