Physical Fitness Stack Exchange
Physical Fitness Stack Exchange

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1500 questions
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votes
1 answer

Roughly how many calories does one pull-up burn?

Here are my back-of-the-envelope calculations. I account only for the energy expended in pulling your body mass up. Say you are 70kg (approx 155lbs) and a pull up raises your mass up by 60cm (approx 2ft). Then one pull up increases your…
user8491
7
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1 answer

What effect does restricted oxygen in cardio have on muscle damage & repair?

As we all know, cardio and strength training have completely different effects on your muscles, and your body's response to them. Strength training trains the body to make those big anaerobic muscle fibres, giving you the body-builder look, but…
Dan Hulme
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Why is my swimming fitness so much worse than my cycling and running fitness?

I cycle a lot, I run a bit, and I swim once per week. I have been training once per week for 5 months now. When I started, I could barely swim a length of freestyle. Now I can swim a lap with ease. However, I am struggling to swim more than a single…
MM.
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7 answers

Cardio ideas for someone with Plantar fasciitis

I've had plantar fasciitis for awhile now. I'm seeing my doc, I wear orthotics and I stretch in the mornings. I do personal training, 2-3 times a week, too. But I really need to start doing more cardio, but it's hard since I have Plantar…
LGriffel
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7
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4 answers

Running - should it be done when you're hungry?

What is the recommended time for running, in respect to meal time and hungriness (amount of sugar on your blood)? If the answer depends on the goal of the exercise, please explain for weight-loss.
Fitri
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2 answers

Why do some actions benefit us and others injure us in the long term?

I don't understand this very well. Some repetitive actions - lifting weights, for example - develop our muscles. And other actions can lead to long-term injuries. My old hockey coach told me how lorry drivers are often at risk of injuring their neck…
Lou
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What are the rules to be followed while doing push ups at home

Lately, I have started doing push ups at home. I have started this a year ago, paused and resumed it recently. In-order to maintain and keep of track of it, I am using an Android application. Having no knowledge of fitness rules to be followed when…
srk
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3 answers

Vegan trying to build muscle: how much protein should I eat and how can I get it?

First I want to say I know absolutely nothing about food or nutrition. So please write in terms I can understand. I am 18 years old and I exercise in order to help in building muscle. My weight is 53 killograms. I am also a vegan (well actually a…
Aviv Cohn
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1 answer

How much faster can I expect to run with less body weight?

How much faster can I expect to run my 10 K races when I've lost 10 kg (18 lbs) per September 1 this year, compared to when I weighed 80 kg, in March of this year? Some context. I'm an experienced runner (16 years of more or less continuous…
René Van Belzen
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5 answers

What doctor/specialist can assess fat and body composition?

Question: what kind of doctor should I see to assess whether or not my body fat can be reduced through further diet and exercise? Background: I've been an avid CrossFitter for over 2 years. I work out about 5 times a week. I eat healthy (mostly…
Topher
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7
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4 answers

Can one calculate the energy expenditure of specific lifts?

So I was wondering if there are formulas to calculate the energy expenditure of common lifts, like deadlifts, bench press, squat etc. I know that every formula could only be an approximation, due to differing technique, execution speed etc. I was…
user8119
7
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2 answers

How can I tell the difference between good carbs and bad carbs?

How do you determine if something is good carb or bad carb? Reason I ask is after a month of hardcore working out I realized my body has changed. While I was eating five meals a day with very low carbohydrate I find myself now in need of six -…
KJYe.Name
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4 answers

What do Watts really mean on an exercise bike?

The bikes at my gym show your current power output in Watts and I'm trying to figure out what this means in some tangible form. I know 1 Watt = 1 Joule / second. I know 1 Joule = 0.239 calories. So for example, if I average 200 Watts over an hour…
Greg B
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7
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Drills for sea swimming

Has anyone got experience swimming in the sea? I live in India and the sea near my house is Bay of Bengal. This sea is madly violent. Crossing the initial waves is really tough. Being the first day today, I crossed them successfully but then…
Freakyuser
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Should I be wearing socks with the Nike Hyperfeel?

I bought a pair of Nike Hyperfeel shoes and they are amazing to run in, but I now have huge blisters on my both of my ankles and a small one on the ball of my left foot. I got the impression that the point of these shoes was that you didn't need…
Omar Kooheji
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