Questions tagged [exercise]
The exercise tag has no summary.
33 questions
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How are different sensations of tiredness/exhaustion biologically different?
Last weekend I did some very vigorous work in the garden - fun, but I overdid it. I noticed I had several different types of tiredness/exhaustion, or at least different subjective sensations, and I'm ...
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Does aerobic exercise increase the incidence of disease via free radicals?
Aerobic respiration produces ROS, atleast one of which (the hydroxyl radical) cannot be neutralized by any known antioxidant and is always damaging surrounding tissue. I know ROS plays a role in ...
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Is lactic acid build up the cause of muscle fatigue or only a symptom?
If your body could magically instantly remove lactic acid as it is produced, would that make you immune to muscle fatigue, or is the lactic acid only a symptom of muscle fatigue and instead exists, at ...
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How does exercise cause weight loss if the corresponding chemical reactions have the same mass on the LHS and the RHS?
How does weight loss take place in the body during physical activity, given that the corresponding chemical reactions would have the same mass on the left hand side and the right hand side?
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Looking for a biological/physiological mechanism ... effect of diet on those who exercise vs those who don't
I'm researching the effect of adherence to Mediterranean diet on levels of inflammation in the body (C-reactive protein & a couple of other markers). I want to stratify participants over levels ...
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Why do people's hands get cold for the first half an hour and then suddenly they are warm when they are doing exercise outdoors in winter? [closed]
When people do exercise outdoors in winter at temperatures less than zero degree celsius, their hands are quite cold and hurt for about half an hour. Then, there is a sudden rush of blood into the ...
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How to estimate oxygen consumption of an average human during different activities?
I've tried to find some resource on the internet but had little luck. I'm looking to see if there's any data on average oxygen consumption of average to well trained humans during different activities....
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Pectoralis muscles as push muscles vs pull muscles
Pectoralis muscles are the adductors, flexors of arm in addition to medial rotators of arm. How does this action translate in to acting as helping in push ups or in bench press?
I am having trouble ...
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How does high-intensity aerobic exercise affect the brain?
I have been reading articles claiming that serotonin, endorphins and BDNF are produced during exercise, but they never mention the intensity or duration of exercise for this to happen.
To not make ...
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heart rate vs pulse strength when exercising
I have noticed, depending on the exercise I am doing, two different patterns (and probably every combination in between):
if I do an exercise like biking, I can feel I have a faster heart rate but the ...
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Why do women process oxygen faster than men?
https://www.newsweek.com/women-are-better-athletes-men-study-about-gender-fitness-says-736047 is the source that I use. Is it reliable?
Why did men and women evolve that way? What's the evolutionary ...
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Looking for a good and complete Enzimology exercises book
I mean, I want to practice with challenging exercises and I want to know the theory behind them. So, I started reading:
Organic Chemistry: Yurkanis, P.
Enzyme kinetics: Bisswanger, H.
Biotechnology ...
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Is “Oxygen-Starvation” during exercise a real phenomen?
Cross-Posted from Physical Exercise, as I suspect this Q is a bit more bio-science focussed than is appropriate for that StackExchange
I play hockey (field hockey) at a slightly-below-elite level. I ...
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Why does muscle blood flow decrease during exercise?
My questions semi-relates to these two items: Where does extra blood come from to fill your muscles during exercise? , and Blood pressure during exercise .
While reading Exercise Physiology by Dr. ...
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How efficiently does the human body convert the energy stored in fat into kinetic energy?
I read that one gram fat contains 9 kcal energy. There are many tables around claiming that x type of exercise for t duration ...