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7 votes
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What is the best time for "me" to exercise?

There really isn't a convenient time to workout no matter who you are. It's a lot of work, you get sweaty, you need to change your clothes, and it usually involves going somewhere other than your home ...
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6 votes
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Lacking the amount of energy that needs for a good workout at gym

Don't go home Stop at the gym before going home. If you go home, your mind tells you your work day is done, and you give yourself permission to crash. If you go to the gym before going home, you're ...
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  • 186
6 votes
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Does running on trails require substantially more energy than running on roads?

While this is a very limited study (i.e. n=1), it is the only actual quasi-scientific case study that shows trail running versus normal running, and it indicates that there is about a 12% increase in ...
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  • 22.6k
6 votes

Is it true that more calories give more energy, plain and simple?

It's a fallacy that fat people unleash bigger bolts of strength. Can fat people hurt you? Absolutely! Why? Because Force = mass X acceleration and fat people have a higher mass; with a decent speed, ...
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5 votes

Why does a giant surplus in calories result in immediate strength gains?

Glycogen. Glycogen is stored glucose that your muscles use to move explosively. Moving heavy weights requires a lot of energy to be expended really fast. Your muscles use the stored glycogen to get ...
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  • 6,056
5 votes
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general question about dietary supplement for my trainning

In order to improve my trainning gain/recovery what supplements should I take? Same question for the problem I expose above. Creatine Monohydrate is a defacto supplement that probably everybody with ...
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  • 6,056
4 votes

Feeling exhausted after swimming

5 hours of any workout would exhaust you for the rest of the day. Now regarding what to do next? Eat food to help you with your calorie needs and if possible, take a nap. That may not remove all the ...
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  • 1,585
4 votes
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Long distance running - energy gels types & options

The basic idea of an energy gel is to help maintain your blood sugar levels without you having to stop to eat something. It has to be easy to swallow and to digest. Our body absorbs simple ...
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  • 477
4 votes

Formula for energy consumption while jogging, based on weight and speed

There is no “exact formula”, just estimations that generally seem to be more reliable than others. The following formula is one such example. While I don’t possess a peer reviewed study to pair with ...
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  • 4,382
3 votes
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Energy shortage before workout

I'm going to stab in the dark and assume you are getting home-cooked-style meals (which usually have around a 20:40:40 protein, carb, fat macronutrient split). I don't need a calorie counter to tell ...
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  • 6,954
3 votes

Energy shortage before workout

First of all, you need to have break days. You are working out all 7 days a week, and that way your body doesn't get enough rest to recover. It's not any specific recovery, but the recovery of your ...
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  • 1,585
3 votes
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Energy low after weight loss

It sounds overwhelmingly likely that the caloric deficit that lead to the 3kg/2weeks was a bit too much. (For reference, caloric deficit means we consume less calories than we spend per day.) If ...
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  • 17.3k
3 votes

Post workout supplements?

1, 2: "Electrolytes" is just a fancier word for salts, which you will get in large amounts through your diet, especially if you eat a typical western diet. Unless you're exercising for two hours or ...
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  • 2,725
3 votes

Is it normal to feel very tired, nauseous a few minutes after a workout?

It is hard to say what the reasons for your problems are. It is impossible to give personal correct answer without knowing you. But I can give you some advices which helped me: Eat and drink enough ...
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  • 51
3 votes

Muscles fibres, hypertrophy and energy systems

They are both correct, however, the way they are stated is the source of confusion. 1) There is no correlation between the number of fibers and the energy system used. There is actually an exogenous ...
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3 votes
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How can we evaluate properly the work (energy) performed by the muscles?

There's a lot to get into here, but it's super interesting, and I'm in the mood for it. Why it's a hassle to calculate How can we evaluate the force F? I've seen people using the previous equation in ...
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  • 17.3k
2 votes

Ensuring the body burns fat instead of muscle?

Endurance athletes are aware of the increase in protein metablolism. Therefore there is a trend to prefer energy sources to come from foods that contain fat and protein. For example eggs and peanut ...
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  • 21
2 votes

Exhuastion before and after workout

Well done on getting to the gym if you are feeling like this. I would suggest a couple of things. Try to get out for a daily walk, getting some fresh air will make you feel more energised. You didn'...
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2 votes

Exhuastion before and after workout

Provided that your hormone levels, etc are all normal, caffeine may help to get you going before a workout. I find that when I have to do a workout when I'm worn out or not motivated, a bit of ...
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  • 147
2 votes
Accepted

What is the impact of mycoprotein on muscle development?

Mycoprotein is a plant-based protein that carries a strong/full amino acid profile. It is supposed to be better for you because there is no cholesterol and is rich in vitamins and minerals. Your ...
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  • 1,156
2 votes

How do calories per distance vary with speed: walking, running, and sprinting?

This is non-trivial as the body has 3 different, but connected, metabolic subsystems, see Nutrition for Health, Fitness, & Sport, or How does one train for sports when the three metabolic pathways ...
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  • 1,195
2 votes

How does 200g of toast relate to 500g of weight loss?

Your math is way off, because it's not being applied properly. First, a pound of fat contains 3500 Calories. Most healthy individuals do not eat that in a day unless they are high level athletes who ...
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2 votes

Twitching/shaking after intense exercise? How to lessen it?

Shaking or trembling after a workout might be cause for alarm, but in many cases, the problem is due to something simple, such as fatigue or malnourishment. Taking measures before and after working ...
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  • 2,775
2 votes

What's the highest heart rate that I can exercise and still be very fresh for work?

Unfortunately there is no really clean answer to this and it will depend on your personal fitness levels and what type of activity you are naturally (genetically) inclined to. Some people are better ...
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2 votes
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Extremely out of breath when working out and how to improve

I think you should take a look at your work capacity. Here's a great article about work capacity from StrongerByScience and I suggest giving it a read overall. Their definition of work capacity is: ...
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  • 4,587
2 votes

Does the body's insulin response change during exercise?

I am not an expert on body chemistry, but I have 10 years of personal experimentation in this area with my own long runs as well as a lot of input from family members and friends who are hikers, ...
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  • 291
1 vote

What causes a greater rate of calorie burn during an activity?

This is just plain old physics. The amount of calories burned is based on the amount of work it put in. Work = Force x Distance Force = Mass x Acceleration So based on that, you can put in more ...
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  • 6,056
1 vote

How to stay energetic after work

Bring your gym kit with you to work. Don't allow yourself to go home before your go to the gym.
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  • 6,954
1 vote

What is this seemingly random value when working out calories burned?

If you grab yourself a copy of the Compendium of Physical Activities Unit-Conversions table, it may help. Taking the second line first: caloriesBurned = (durationMinutes * ((METs * 3.5 * kilograms) /...
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  • 1,195

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