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There is so much disinformation ("bro-science") in the answers and comments. I will start with answering the question: Yes, a protein shake once a day as meal replacement is completely safe. This shouldn't worry you. Do you need the extra protein? Probably not, unless you actually do resistance training (and for long term health you should) it will do very ...


3

If you want to win a 5k, walking is a great start, but will probably not get you there on its own. Fast walking will help you build a strong base level of aerobic fitness. Your heart and lungs will develop and improve your capacity for running. After you build this base, your cardiovascular system needs to learn to function efficiently as you approach (or ...


3

Sounds possible that you have shin splits http://en.m.wikipedia.org/wiki/Shin_splints They will go away with some time off. This is common with individuals who are new to the level of training that are taking on. My recommendation is to rest for 3 days and start again (rest means you don't have to stop training, just don't do what you have been) As ...


3

Based on your description this sounds like a very common side stitch (see the wiki entry here: http://en.wikipedia.org/wiki/Side_stitch). As explained in the article (which was informative for me even though I have experienced these off and on when exercising for as long as I can remember) there can be a few factors causing this. For me, it generally ...


2

It is definitely not bad for someone to drink a protein shake without working out. It is very similar to eating a chicken breast that has 35 grams of protein in it. 35 grams of protein is 35 grams of protein, no matter where you get it from. Some proteins are different, such as casein (slow release) and whey (quick release), but it is still protein. As ...


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If you want, take some water with you. Its not bad to eat or drink while walking, but food for a short walk is completely unnecessary. If its a short slow walk you don't need to eat. And if you are a sedentary office worker, you probably meet your caloric requirements. Take a few sips to hydrate your mouth, and you'll probably notice your "hunger" ...


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I work for a hospital and I wear ankle weights my full shift sometimes 4, 5, 6 days in a row. I take the stairs and I walk fast. I lost 12 pounds in 3 months just adding the ankle weights without even dieting. I also drink a lot of coke (two cans a day) and ya I know it's not healthy but I don't drink alcohol or eat junk food and I am a vegetarian. But, I ...


1

If you've seen benefits from it, keep doing it. Regardless of how it compares to other sorts of exercises, if it is working for you, then it is most definitely "valuable exercise". The only point I could attempt to make in support of your friend would be to say that running in place likely will not be as beneficial if you're trying to build up endurance ...


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I'm in the same boat myself. I don't have an authoritative answer to it, but I think it really just boils down to any given form of exercise targets a different form of muscular and cardiovascular exertion and performing a particular set of motions has an aggregate positive effect, but doesn't necessarily apply to the next set of motions. Walking is a ...



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