Skip to main content
6 votes
Accepted

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 ...
JohnP's user avatar
  • 23k
5 votes
Accepted

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 ...
DeeV's user avatar
  • 8,601
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 ...
DeeV's user avatar
  • 8,601
4 votes
Accepted

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 ...
Wood's user avatar
  • 497
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 ...
xCodeZone's user avatar
  • 1,583
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 ...
JustSnilloc's user avatar
  • 4,422
3 votes

What is the easy, highly effective way to deal with soreness and exhaustion?

It’s possible to “out-kick your coverage” when it comes to fatigue and recovery. From what it sounds like, you’re simply going too hard. If you’re needing more than a day off to recover from a workout ...
Thomas Markov's user avatar
  • 4,230
3 votes
Accepted

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 ...
Alec's user avatar
  • 17.9k
3 votes
Accepted

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 ...
Alec's user avatar
  • 17.9k
3 votes
Accepted

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 ...
John's user avatar
  • 6,982
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 ...
xCodeZone's user avatar
  • 1,583
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, ...
DSway's user avatar
  • 291
2 votes
Accepted

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: ...
C. Lange's user avatar
  • 4,589
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 ...
ford prefect's user avatar
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 ...
Mike-DHSc's user avatar
  • 2,817
1 vote

glycogen and fat burn in low intensity aerobic exercise

Glycogen is the storage form of carbohydrates/glucose and as such is a relatively short-lasting but quick release form of energy. It is converted into glucose by a hormone called glucagon and is used ...
Ethan's user avatar
  • 1,172
1 vote

Why can't you lose/maintain fat on a bulk?

Your body can only build so much muscle in a given period of time. For example, let’s say your maximal amount is 1kg per month. Do you only gain weight in muscle you only gain 0.5kg that month? ...
JustSnilloc's user avatar
  • 4,422
1 vote

Can bodyweight exercises induce body recomposition?

Your body makes no distinction between types of training. Body weight work, dumbbells, and bands are all capable of building muscle. This is because the body perceives muscular tension as being the ...
JustSnilloc's user avatar
  • 4,422
1 vote

Can bodyweight exercises induce body recomposition?

I cannot answer this from a scientific perspective but just from experience and common sense, bodyweight exercises are indeed easier when you have more muscle and less fat but the same should apply ...
Faith the Faithful's user avatar
1 vote

Is there a maximum energy limit an average human can possess?

While there is not a hard, specific number for the maximum "energy" a human can exert, there are limitations due to the basic physics laws of the universe. Yes, over time, humans have pushed ...
user238853's user avatar
1 vote
Accepted

Is there a way to know what causes our muscles to give up during exercise?

You have to define "give up". If you mean giving up because of a weight that is too heavy, it's because your muscles don't have the capacity to create a contraction strong enough to overcome the ...
FenryrMKIII's user avatar
  • 1,210
1 vote

Max Energy for Performance

There are no simple tricks or special recommendations, as far as I know (excluding supplements like BCAA/Caffeine/etc.) Try to not be too hungry or too full right before the workout. Stay hydrated ...
Roman's user avatar
  • 442
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 ...
DeeV's user avatar
  • 8,601
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.
John's user avatar
  • 6,982
1 vote

How does our body dispose of excess calories (physiologically speaking)?

These are good questions and good answers. To a degree however one can get tangled in the details. This seems to be a problem in the medical community. My reply, since lacking the details of the ...
bluesearch's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible