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Is cardio good or bad?
Are there any other different kinds of “cardio”? I’m sure you’re either shocked or puzzled to hear why I’m even asking these questions.
“Cardio” and “aerobics” have been wrongly used interchangeably, as synonyms for “endurance.” “Cardio” should be used for any type of exercise that makes the heart and lungs work harder. “Cardio” describes any exercises that use the following three energy systems: phosphagen system, anaerobic glycolysis and aerobic metabolism. Your body uses a combination of these three energy systems in different ratios in different period of time depending on the type of activities involved.
Look around and ask around in your gym. You’ll be surprised or you shouldn’t be surprised to find out that some lean and muscular fitness buffs rarely do normal or “traditional cardio” workout. On the other hand, you know some people (perhaps yourself included) who are running on the treadmill one hour a day for six days a week, but cannot seem to lose enough weight to shape up or lose that perpetually stubborn 10 pounds.
The Long, Slow, Boring “Cardio”
In fact, when you’re running the same routine day in and day out without changing up, you’re prone to joint wear-and-tear and risk of overuse injury. You may actually start muscle wasting by subjecting your body to catabolic conditions. Not only that you don’t burn fat efficiently as your body adapts to the same routine, but you may start to lose lean muscle mass. So you may actually get fat. This is absolutely not the ideal scenario for your weight loss effort.
Low Intensity Steady State (L.I.S.S.) Traditional Cardio
It’s common for fitness and medical professionals to prescribe low to moderate intensity aerobic (cardio) training to overweight or deconditioned people in order to prevent heart disease or lose weight along the line of continous 30 to 60 minutes of steady pace cardio exercise 3 to 5 times a week maintaining heart rate at a certain level. This type of long and slow continuous training is a good starting point but not the end of it. It’s easy to do but not the most effective cardio exercise to lose fat.
Yes, you do burn some calories during the period of time you’re running on the treadmill in the L.I.S.S. type aerobic exercise. But as soon as you step off from the machine, your body stops burning calories after a few minutes. You’ll need to run longer and longer in order to burn more calories because your body learns to get more efficient in burning calories using aerobic oxygen. Time is your most precious asset. In today’s busy work-lifestyle, you’ll be running out of time to run very soon!
Marathoners vs. Sprinters
Humans are probably the only creature in nature that attempt to do “endurance” type physical activities. Most competitive sports (except endurance running and cycling) are based on highly variable stop-and-go movements. Weight training naturally incorporates short bursts of exertion followed by recovery periods.
Look at the physiques of marathoners versus sprinters. Most sprinters (including football running backs and wide receivers) are lean, muscular and powerful whereas typical marathoners are thinner with less muscle. As a matter of fact, there are many fat marathoners crossing the finish line. But you rarely see fat sprinters, almost non-existent.
Gym Rat Cardio
Don’t get me wrong. I like running as well, mostly outdoors. I’m not anti cardio but I want you to reconsider the so called traditional cardio for a moment. For “traditional” cardio I mean by performing aerobic activities such as running on a treadmill, riding a stationary bike or gliding on an elliptical machine in a low intensity steady state (L.I.S.S.) pace for longer than 30 to 60 minutes.
If you’re one of the gym rats who do L.I.S.S. type “cardio” 5 times a week and you’re proud to say that you’ve lost a lot of fat, are happy with your physique and have lean muscular body to show for, you can stop reading now.
What if you’ve spent so much time in the gym, worn out 5 pairs of running shoes a year, started having knee, shin and ankle aches, and still didn’t see the results you’ve wanted to achieve, I have good news for you. Please read on.
High Intensity Interval Training (H.I.I.T.) Turbulence Cardio
Want to burn fat and get in shape quick? High intensity interval training (H.I.I.T) is a better and more effective training method to lose fat and condition your heart muscles. The concept of H.I.I.T. cardio workout involves repeated bouts of harder work phase interpersed with periods of easier recovery phase.
If you’ve been cruising at L.I.S.S. on the treadlmill, stationary bike or elliptical machine while reading books, listening to your iPod workout music or watching sports on TV, challenge youself with the following H.I.I.T. treadmill routine.
H.I.I.T. Treadmill Running Routine by Pace
Warm up by fast walk or light jog for 5 minutes.
Run at 8 miles/hr pace for 2 minutes
Walk at 4 miles/hr pace for 3 minutes
Run at 10 miles/hr pace for 2 minutes
Walk at 4 miles/hr pace for 3 minutes
Repeat this cycle 2 to 3 times for a very intense H.I.I.T. “cardio” session followed by cool-down and stretching.
You got the idea? You can also change up the intensity or work-to-recovery ratio by modifying the pace and duration. If you increase the grade or incline level like running uphill, your cardio intensity increases as well.
[...] Training Cardio Workout Routines In a previous post, we know that high intensity interval training (H.I.I.T.) is an excellent way of doing cardio [...]