Ran the calculations some time ago, and donating a half liter of blood gets rid of about 500kcal, which I can easily manage to do in under half hour not counting the paperwork. I think the only more calorie-consuming activity I can think of is liposuction or mutilation of body parts. Not that I recommend either, just a random thought.

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[–] queermunist@lemmy.ml 24 points 5 days ago (3 children)

There's no way a brisk 30 minute jog burns 400 calories.

[–] Kefla@hexbear.net 13 points 5 days ago (1 children)

Depending on a lot of factors ofc, the rule of thumb I've heard is that a mile of locomotion burns about 100 calories. Doesn't matter if you're jogging or walking or sprinting, it's just that of course walking gets the mile done slower. If a brisk jog means a 10 minute mile, that would be around 300 calories in 30 minutes. The 400 number likely comes from a treadmill, and those tend to way overestimate.

[–] queermunist@lemmy.ml 7 points 5 days ago (1 children)

15 minute mile seems more jogging speed to me, once you're doing a 10 minute mile that's basically a light run.

I was never very good in track or cross country though so what do I know? I'm more into bikes.

[–] Kefla@hexbear.net 7 points 5 days ago

Idk, a "brisk jog" to me means like 6mph or something, which would be a 10 minute mile. You can "jog" at around 4mph but there's nothing brisk about it.

[–] BironyPoisoned@hexbear.net 1 points 4 days ago* (last edited 4 days ago)

10 min / mile for 30 minutes with average male body weight will easily burn 400 calories, it'll depend on how much you weigh of course. Any moderate intensity cardio will give you similar results.

It might take you a few months to work up to that speed / distance but it's very do-able.

[–] PolarKraken@lemmy.dbzer0.com 2 points 5 days ago (1 children)

You are correct, and I declare arguments to the contrary are "silly", possibly "dumb".

One can very easily burn 400 calories during a brisk jog! Most folks can manage it. That's done by their body burning up most of those anyway at rest.

There is no magic where 400 kcal gets specifically dumped by adding a 30 min brisk jog lol. This would be silly-mode thinking.

[–] queermunist@lemmy.ml 3 points 4 days ago* (last edited 4 days ago) (1 children)

You certainly do not burn 400 calories every 30 minutes at rest either. Remember, there's 48 periods of 30 minutes in a day and about 2000 calories to get through a day; at rest it's probably around 40 if we just evenly divide calories per 30 minute period.

[–] PolarKraken@lemmy.dbzer0.com 1 points 4 days ago

Yeah, tbh I didn't bother looking at what would/could be truly burned at rest, that was lazy of me. Just wanted to indicate how far off "burning" 400 in that way was.