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Questions tagged [energy]

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2
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1answer
84 views

Max Energy for Performance

Not taking into account any supplements like BCAAs, caffeine, etc, how can I best optimize myself for solid energy for 1-1.5 hours of a workout, whether weight training or cardio or a mix of the two? ...
1
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0answers
71 views

What foods or substances can feed your muscles with energy without feeding the bad bacteria in your guts?

Many pathogenic bacteria (those promoting inflammation, insulin resistance etc) and fungi in the gut microbiome feed on sugar and starches (perhaps some good bacteria can feed on these too, I don't ...
2
votes
1answer
92 views

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

Walking and cycling to work can be healthy and can save money. Exercise is even known to improve productivity. Since tiredness affects job performance especially if it's a physical job, it's very ...
0
votes
1answer
53 views

Amino Energy whilst & post Workout

I take half scoop Grenade pre-workout and then I start the session with Weight Training (~1hr) after which I take black coffee and then move to core/cardio routine (~20-30 mins). Post that I take 2-...
9
votes
2answers
446 views

Can bodyweight exercises induce body recomposition?

Here's my wacky theory. The human body is extremely complex, but looking at it as a black box which aggressively adapts to external challenges, could performing bodyweight exercises (with added ...
1
vote
1answer
126 views

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

So I am emasculated by the roid boys at the gym who can grind through dozens of sets and look like they're just starting their workout after spending days in the sauna. I often have to compensate for ...
6
votes
1answer
163 views

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

I notice that days where I don't eat much, I sometimes fail to get up big lifts with weights. On days when I sometimes get big surpluses, such as big feasts/etc., I feel powered and like there's lots ...
0
votes
1answer
90 views

Creatine at its Finest

Hello Im new to this website and Im sure that everyone here frequently gets asked about Creatine. Currently I have been taking C4 Cellucor along with Creacore Creatine by MuscleTech. I weigh 171 and I ...
1
vote
4answers
164 views

Energy shortage before workout

I am 22-year-old software developer that started with fitness one and a half year ago and I am looking for some advice. Some info Starting weight: 86 kg - 189 lbs Actual weight: 73 kg - 160 lbs ...
0
votes
1answer
176 views

Feeling exhausted after swimming

I've been swimming for 5 hours straight. Now I'm out of the pool and I've been out for an hour. I have homework but I'm extremely sleepy. I've read why this is caused, mainly: The cold temperature in ...
0
votes
2answers
94 views

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

What causes more calories are burnt per min during an activity? Is there a list of all major factors? Ideally answers should be scientifically proved or backed but if not then just a list / ideas what ...
5
votes
1answer
135 views

Does running on trails require substantially more energy than running on roads?

I've been running on trails for almost five years now. On my high school cross country team, we had a historic rule of thumb: Running at X-minutes per mile pace on trails requires the same amount of ...
1
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0answers
77 views

Do you burn fat directly if you only eat protein? [closed]

If you only eat protein and workout with weightlifting, does your body burn fat for energy or digest your muscles or use the protein you’ve eaten?
1
vote
1answer
164 views

Low Body Fat Energy Levels [closed]

I follow a paleo-style diet and eat 3 big meals a day with occasional snacking on fruits or nuts. In addition, I exercise both cardio and weight-lifting 5 days a week. Ever since getting on paleo, my ...
0
votes
1answer
57 views

Energy low after weight loss

During two quite active weeks, I lost about three kilos. After those weeks, I have been feeling low on energy, and more affected by how much food I have eaten the last few hours than before. In other ...
-1
votes
1answer
68 views

How to stay energetic after work

I am very energetic when it comes to work. But once I reach home why I feel so tired that I can't focus on anything except sleeping. What could keep me going and keep me energized after office?
4
votes
1answer
122 views

Lacking the amount of energy that needs for a good workout at gym

I daily plan to workout and hit at the gym but I come home fully exhausted. I lack the amount of energy that needs for a good workout at gym. How can I cope up with this? Anything that could keep me ...
7
votes
1answer
271 views

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

In The Story of the Human Body on p. 85, it claims that running an equal distance at two different speeds uses equal calories: In fact, a running human's legs store and release energy so ...
3
votes
1answer
250 views

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

I've tried to keep this question as non-programmer-friendly as possible, but please let me know if you don't understand something. I'm a software developer and I'm looking over some old code and I ...
1
vote
2answers
88 views

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

I find that when I really push myself, my body doesn't reward me. This occurs usually only when I am doing upper body workouts. I feel like I am pushing myself and I can really feel my arms burn. ...
3
votes
1answer
118 views

What is the impact of mycoprotein on muscle development?

Vegetarian swimmers in Egypt are routinely given mycoprotein as a way of building muscle and as a substitute for animal protein. Is mycoprotein known to improve swimming performance and muscle ...
0
votes
2answers
72 views

Energy intake and expenditure [closed]

I was reading below and have a doubt. http://www.nutrition.org.uk/nutritionscience/energy/energy-intake-and-expenditure.html?start=5 So to lose weight "energy in" should be less than expenditure . ...
6
votes
2answers
532 views

What is the best time for “me” to exercise?

Some people have argued that morning is the best time to hit the gym but for me personally this has not worked out. I am not a morning person, when I get up I am usually hungry and after breakfast I ...
-2
votes
1answer
183 views

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

When I look at my 'calorie counter app' it says that two slices of Peanut Butter Toast (assuming 200g) are roughly 1427 kJ of energy. Then when I look at this post - I see a rule There are a ...
2
votes
2answers
118 views

How to Change My Diet When I Add Exercise

I'm naturally built and toned, and I was a swimmer. My arms have retained that, but through college my stomach has put on some weight. I'm now around 200 pounds at 5'10". Some is probably due to ...
0
votes
0answers
275 views

Ketone bodies vs glycogen cycle

I'm doing some analysis about the body deriving energy from ketones vs glycogen. I'm looking for data about how much more/less (I'm guessing less) ketone use is vs glycogen in terms of oxygen ...
2
votes
1answer
45 views

Does energy intake before training influence motor skills and concentration?

I was playing table tennis with an empty stomach today and I wasn't concentrated and my game lacked accuracy. Is there a link?
2
votes
2answers
113 views

Post workout supplements?

I have moved to a different city and joined the gym yesterday, last night my workout consisted of 15 minutes running on the treadmill at 10 mph with a 3% incline and 3 sets of leg presses, 35 ...
0
votes
2answers
63 views

Exhuastion before and after workout [closed]

I have been working out for 2 weeks and I have noticed that I am very lazy. Even though I take supplements I tend to stay so lazy that except for gym time, I don't get off the couch. Except the gym, I ...
2
votes
3answers
2k views

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

I am asking this because I read a post jokingly titled, "Why fat people will hurt you." It mentioned there that, because heavier or obese people tend to eat more, they tend to store more energy. With ...
3
votes
1answer
150 views

How to fill body with energy before climbing?

I go climbing on Sundays (starting at 2-3PM). Climbing is a very energy-consuming process and I need to have my body filled with energy, so I don't feel irresistable urge to eat after couple of hours ...
0
votes
3answers
78 views

Cardio: Energy boost and improved fitness

I do cardiovascular work for two reasons of equal importance... For the betterment of my fitness For the post-workout increase in mental energy and well being I usually do some intervallic type ...
3
votes
5answers
19k views

Lost 4 kg after 1st month of gym, then it stopped and I did not lose a pound after that.So my second month of gym was a total waste? why is that?

I have joined the gym 2 months ago.Today was the end of the 2nd month . As I lost 4 kg at the end of 1st month I was so excited to see a reduces number on the scale today. But it was shocking, as I ...
2
votes
1answer
974 views

Muscles fibres, hypertrophy and energy systems

I've asked a few questions on this site about, and have been doing some reading, on: muscle fibre types (slow twich and fast twitch) hypertrophy (myofibrillar and sarcoplasmic) energy systems (ATP-PC,...
0
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3answers
32k views

C4 and Creatine together

I have used C4 before, with strong effect I might add, never really used creatine. I was wondering since C4 already has some creatine in it, is it ok to use them at the same time and will it possibly ...
4
votes
2answers
247 views

How to be energetic after a 20-30 min siesta (afternoon nap)

I sleep at 9pm and wake up at 4am, take a cup of warm water and I will do some simple exercises very slowly, then some house work. At 5am, I run for 30min with the speed 9km/hr (so it is a 4.5km run). ...
7
votes
2answers
459 views

Concentrated calories in a small snack as energy boost before gym

I typically eat a big lunch around 1PM and work until about 6:30-7. I get home around 7:30, and after a few domestic errands, go work out. The problem is, by that time I am typically hungry yet I ...
7
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3answers
5k views

Can glycogen only be used by the muscle in which it is stored in?

Carbohydrates are stored in the muscles as glycogen. It is a major energy source for weight lifting. I want to know if a muscle can only use the glycogen stored in itself or can it borrow glycogen ...
4
votes
1answer
1k views

What can I do to have more energy/less sleepy before working out?

I wake up at 7am, go to college, after go to work, and at the end of the day - when I am as sleepy as 30 bears - I go to the gym. After returning from gym, I dinner, etc and sleep What can I do to ...
6
votes
1answer
1k views

What changes between the 5 rep range and the 10 rep range?

Through observation and empirical evidence, a lot of strength trainers and bodybuilders have found that 5-6 reps is ideal for building strength, while 10-12 reps is ideal for building size. I've ...
3
votes
3answers
393 views

BMR+Harris-benedict equation: case of negative output

I was using the BMR and Harris benedict equations. I got a negative result when i used the following information just by curiosity: Age: 80 Height :1feet 0 inches (ie 12 inches) weight :22 pounds ...
33
votes
12answers
110k views

Ensuring the body burns fat instead of muscle?

When exercising, our bodies take energy from our blood sugar, then uses glycogen as a source for energy, and finally burns fat or muscle when the glycogen is used up. A nutritionist told me that ...
5
votes
1answer
1k views

“Negative” Calorie Foods to Renew Energy

Apples, celery, cabbage, and etc. are considered "negative" calorie foods. While I understand that the "negative" portion of that statement is largely mythical in nature, as they are actually just ...
2
votes
1answer
327 views

What can I eat the night before to help me get up in the morning? [closed]

What can I eat the night before I go to bed to help me get up in the morning? My issue is not waking up, or being lazy, nor is it my body being sore. But there are times when my body will refuse to ...
7
votes
2answers
187 views

Using energy stored in the body vs eating beforehand

I often go for a long ride on Saturday mornings, typically riding about 55km before breakfast. I do the ride before eating anything in the morning. Another friend does the same ride but needs to eat ...
1
vote
2answers
282 views

Question about calories, protein and energy?

If calories are a measure of energy, and protein contains more calories per gram than carbohydrates then how does Atkins work? What is the difference between the energy provided by the 'carbs' and the ...
5
votes
3answers
496 views

What foods can I eat to keep my energy up in an office job in the afternoon? [closed]

About 2-3 hours after eating lunch I crash at work. My hands shake, I can't concentrate and I generally believe this has to do with low blood sugar. I've never been diagnosed with diabetes. My mom has ...
2
votes
1answer
687 views

How to keep energy up while on diet

I have started to change my diet and attempt to become more healthy with the goals of being in much better shape, becoming healthier, and feeling better overall. With this in mind, I have done my ...
5
votes
3answers
3k views

What to expect in terms of post-exercise fatigue and what to do about it

2-4x/wk, I exercise from about 5:30--7pm (1 hr of weights + 4mi treadmill at 7:30-8:00 pace). I'd say I work out from a 5 to 8 on a scale of 1-10, with 10 being highest intensity. I then shower, dine....
46
votes
7answers
4k views

How can I make myself get enough sleep?

I hope this question is on-topic for this site. It seems to me that sleep is a pretty big ingredient in fitness. I pretty much never get enough sleep. It's not for lack of trying though. I just can't ...