Treadmill is good. Other things wouldn't hurt either (long brisk walk every day, etc.) It all adds up, and variety makes it less boring.
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I need to lose weight.
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average joe is right about the tread miil
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Can anyone explain this scientifically? I assume this idea is more than a gut feeling. The idea of being weightless on a treadmill is just hard to comprehend. Just telling me "he's right" doesn't do it for me.As I said, for the benefit of the original poster, treadmills will still burn calories. They're much better than doing nothing. Stairmasters will burn even more calories (on the average), but are tougher on the knees.The beauty of being active is that there's more of a gain than just burning calories while you're exercising. It seems to increase your metabolism, is healthy for the body in a lot of ways, and makes you feel good.
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PHYSICS LESSON, my favorite. okay, lets start with vectors. vectors are simply a way of saying a direction and a force. ex. if i am to push myself foward with a force of 1N, i would have a vector cooresponding to that motion. When walking. we have two vectors (simple version). 1. the first one is that of you pushing yourself against gravity. your legs, holding you up, is a vector (scientificly this is force normal, but we wont go there). 2. the force you use to push yourself foward is another vector. (this is the stregth needed in the butt, and hamstring muscles)Add those two up, and what do you get - a foward motion that is not dependant on any outside force.Treadmill - you have, umm, not so many vectors.1. force to hold yourself up against gravity (same as Number 1 above)and thats itad those two together, what do you get. Simple, you just stand. it takes an added, outside force for you to walk foward. this force is supplied by the treadmill, and therefore, you legs do not have to do as much work in the butt and hampstring area.i know this wasnt greatly worded, but im not sure how else to say it. i wish i could draw a picture, it might help. but, in conclusion, though you do some work pushing yourself forward on the treadmill, most of the work for that vector is suplied by the treadmills motor.
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OK, I know all about vector analysis, and if there's no forward vector component, you fall off the back end of the treadmill.So, you weren't impressed by my flatbed truck analogy?
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you might be running full out, but the flatbed is still helping you move. if you want to try it out, run on a treadmill for an hour, and see how tired you are. sometime after you recover, run around your block for an hour, and see if your more tired. though treadmills are good, actuall running uses many more of your control muscles to keep you balanced, and smooth against a changing terrain.
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In reply to:the flatbed is still helping you moveIf you think about frames of reference, what you said makes absolutely no sense. When you're running westward, you're running in opposition to the earth's rotation. What effect does that have?In reply to:actuall running uses many more of your control muscles to keep you balancedI'll buy that. It would be interesting to see the result of a metablolic trial to see how much difference it makes.
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I find running on the ground easier than the treadmill.Just like the machine bicycles are hard than regular bicycles for me.Oh well, maybe I'm wierd.BTW, don't walk on the treadmill. Run as long as you can and just try to get your heartrate up there as long as you can. You gotta get your body into an aerobic (sp?) before it starts burnin those calories, if you are extremely outta shape I think it is something like 20 minutes.So in short: Run, don't walk, if you can help it.
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actually, walking or runnung the same DISTANCE will burn the same amount of calories.
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From a paper by Panos T. Pappas (2003):
In reply to:
Raising and lowering the legs or the body for walking and mostly running is an oscillatory motion that raises the "center of gravity" of lower leg or the "center of gravity" of the body (in case off running) to 0.2 to 0.6 m or more.
The muscle energy stored in potential energy, E = mgh, when the leg or the body is raised is lost into heat when the leg or the body is lowered to normal height.On the other hand, the energy needed to keep the body's constant speed on an horizontal road is minimal to practical nothing - equal to that of air friction.
Therefore, the efficiency for a walking and particular running human or animal is very very low. Estimated to less than 1% for walking and less than 0.1% for running.
The author's point is that bicyling much more efficient than either walking or running (so, for time spent, running or walking is better exercise...no effort wasted periodically raising and lowering one's center of gravity.)
But running is a lot tougher on the joints than bicycling. is.
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In reply to: actually, walking or runnung the same DISTANCE will burn the same amount of calories. Uh no. Actually you are wrong. The amount of oxygen you consume determines how many calories you burn. Running is going to burn more calories than walking, common sense.
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i said distance, not time. it is true though, i have checked if with a professor of nutrition, Ph. D., this morning when i read your statment. you, of course, have your own free will, and if you choose therefore not to believe me, so be it. go look it up for yourself.
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Depending on what your heart rate is, if you're in your fat burning zone, running can burn more calories.
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I'll skip all the scientific crap about treadmills and just give my two cents for you. Your dad is right about your body buring around 1800 calories a day. I suggest a 1200 calorie a day diet. Eat 5 SMALL meals a day as opposed to 3 larger meals. Your body will have an easier time buring those calories if they are spread out. Skipping meals is just as unhealthy as eating too much, so don't listen to those people. Drink LOTS of water. I usually go through a gallon a day personally. Excercise in the mornings. Running is good, but jumproping is better. You can burn as many calories as running in a third of the time, plus tone you body with a weighted rope. If you choose to use a supplement of any type (stacker 2, Trim Spa, ect.) there are some things to remember. These supplements are only effective with a good diet and excercise. Many people will say they don't work becuase they neglect that, but I can account for them personally. Also remember that you MUST take the suggested amount. I can't stress enough to take the suggested servings, otherwise you're putting you body in danger. Those very people are the reason so many supplements are becoming illegal in the States. ANy other questions, feel free to ask.
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In reply to: Can anyone explain this scientifically? I assume this idea is more than a gut feeling. The idea of being weightless on a treadmill is just hard to comprehend Weightless was the wrong word. It is easier as you're not moving weight from place A to place B. You're not shifting your bodyweight, which in itself requires energy.Either way, if you break a sweat - it does not matter how you do it.cynikal - good on you! Don't be embarrassed about going to the gym. The ones that should feel embarrassed are those that don't get off their backsides and try. That's embarrassing. You're making an effort to improve yourself. What's embarrassing about that?Be careful of what you eat. Look at the sugar and carb. values on the foods that you eat. I don't know about the U.S, but here in Australia, many breakfast cereals have upwards of 30% sugar. Coke and other softdrinks are high in sugar, muesli bars (often thought to be healthy) are high in sugar, the list goes on.Energy in -> Energy out. If you're taking in more energy than you're expending then your body will store it. Sugar is almost pure energy, so this is one that shouldn't be overlooked.Many sweets are labeled "99% fat free" however they're 75% sugar, which will end up as fat if you don't expend the energy that they contain.
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The dietary advice given above is good. But I will avoid "supplements" that will make you fat. Vitamin supplements are OK, but things like protien supplements will fatten you up.
In reply to:
It is easier as you're not moving weight from place A to place B.
This is absolutely wrong. You have to exert the same effort to stay in place on a treadmill to stay in place that do to move on stationary ground, minus a small amount of wind resistance. It takes as much energy to bounce up and down in each case, as well as to exert forward force against either the belt or the ground.
The advantage of the treadmill is that it forces you to maintain a pace. It can also give you a rough measure of calories burned, if it's computerized, as most are nowadays.
So, original poster, use the treadmill and stick with it, if that's convenient for you.
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And another thing: most of your energy when you're running goes to bouncing up the weight of your body. That's the same whether you're on a treadmill or a road.I finally asked the trainer at the gym what he thought. He not a physicist, but he is a diplomat. He suggested that "whatever works for you" is what you should do. If you're willing to stick with one of them, do that.But he also said that a treadmill provides a more even and predictable surface than a road, so it's less likely that you'll injure yourself (as you might if you tripped on debris or a pothole).
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