Physical Fitness Stack Exchange
Physical Fitness Stack Exchange

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1500 questions
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How many calories are burned while doing interval running?

Since I've started running I've noticed that my appetite has gone up incredibly.I need to know how much I can eat to stave off the hunger while staying under my caloric burn. Is there a way to calculate how many calories you burn during interval…
Nathan Wheeler
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Fruit juice or water?

Can water be replaced with fruit juice? So instead of drinking a certain amount of water daily, would it be better to get your H2O from fruit juices? Edit 1: How about veggi juice?
oshirowanen
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strengthing and improving flexibility in heels

I've got one of those lazy "Ididntexerciseinalongtime" heels which is causing improper form on my squats. I've spoken to some knowledgeable fellas at my gym and they pinpointed my weakness in my squat form is my heels and their inability to flex…
Jared
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I don't walk, jog, run but I hope to. How can I get into habit of running?

I am getting fat every month and I just still at home. I always say OK I will run tomorrow but I don't. I even register in a GYM but I just went twice and then didn't go till my account finished. I want to walk outdoors but there is nothing that…
Goma
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3 answers

Are bent rows a good substitute for lat pulldowns?

I've been working through the set of plates on a pulldown machine (w/ v-grip) trying to get to the stage where I can do chin-ups. At 90kg now, not far off my bodyweight of 102kg. But the pulldown machine at my gym is now out of order, and things…
jontyc
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How much glycogen is burned in weightlifting?

I'm trying to roughly match my carbohydrate intake to my rate of glycogen depletion with the goal of replenishing without overdoing. Is there an established way to estimate how much glycogen an activity utilizes? In my case I am doing 1.5hr sessions…
velumenous
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Workout plan for a lazy person

I have been going to the gym (on and off) for about 20 years (I am in my late 30s). One thing that I have definitely established is that I do not like getting very tired and if I do work out hard, it creates an animosity and fear in my head for…
amphibient
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How does isometric strength relate to isotonic strength?

Background Isometric - holding a weight in the same position. Example: holding heavy bags of groceries. Isotonic - moving the weight through a range of motion. Example: bicep curls. Question How does isometic strength relate to isotonic strength?…
JoJo
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What is the difference between one and several sets - With the same level of soreness?

What is the difference between doing just one set and several sets in one training session, if you train to the same level of post training soreness?
Olav
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Dumbbell Weights: Diameter vs Width

I wonder how to add more weight to a dumbbell. Adding more plates of fewer weight or fewer plates of higher weight? With bigger plates the diameter grows and so will the minimum distance the dumbbells will have to your body. With more plates on the…
Baarn
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Will developing my leg muscles improve my running?

Will doing strength exercises and working out the leg muscles like the thigh and calve on machines improve speed or endurance in running?
Samuel Andrew
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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 from other muscles. I'll give you a practical…
JoJo
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Does warmup volume have a detrimental effect on working set?

I use a Starting Strength type warmup for squats, deadlifts and presses: 2 x 5 x bar weight 1 x 5 x 40% working weight 1 x 3 x 60% working weight 1 x 2 x 80% working weight (Apologies to other programs if SS inherited it, it's just where I first saw…
jontyc
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Is there a significant difference between standing lunges and walking lunges?

I get the feeling that walking lunges are better for balance, but other than that - especially in terms of muscles used and caloric burn - are there any significant differences?
Zelbinian
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General advice for continuing my weight training effectively

I've been going to the gym 5 days per week rarely missing a day for the last 4 months now, with the aim to put on as much muscle mass as possible. Until about 3 weeks ago I have been able to increase the weight I have been able lift across all…
Marty
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