Search found 162 matches

by tostig
Sun Jan 27, 2013 10:24 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

In my first post, I mentioned the body was not 100% efficient. So I asked if anybody knew what efficiency factor to put into the calculations. Here's what I found. http://www.bodyrecomposition.com/fat-loss/an-explanation-of-exercise-efficiency.html" onclick="window.open(this.href);return false; ..No...
by tostig
Sun Jan 27, 2013 9:30 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

You're getting close. Since we already know the answer you're trying to get to, that you will burn the latte off in about an hour or so in the gym, you still have some factors to work into your equation.... Not close enough. Between my dumbbell days -25,374J and my barbell days -48,876J that's an a...
by tostig
Sun Jan 27, 2013 2:35 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

Just found this definition: http://science.yourdictionary.com/calorie" onclick="window.open(this.href);return false; So now we have to make a distinction between small calories or large calories. My calculations would be for small calories (540 small calories = 2260J) If we are talking about the cal...
by tostig
Sun Jan 27, 2013 2:01 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

Oscar_Actuary wrote:Tostig,

You also left out Time. "Energy" relates to Ft-lbs, or Nm only when you consider in in terms of Force.
Right?
Time would go into power calculations. Calories and Joules (or Nm and ft-lbs) are energy measurements.
by tostig
Sun Jan 27, 2013 12:45 pm
Forum: General
Topic: Form check
Replies: 23
Views: 13115

Re: Form check

Wait a minute. You guys mean my back is straight on the way up? Sure I can fix the way down by RDLing the weight back on the floor that's easy, I just drop the bar to save energy. My back on the way up is straight? I don't need to put my ass out more? Your up motion is fine. On your down motion, du...
by tostig
Sun Jan 27, 2013 12:40 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

Jungledoc wrote:And, yeah. There's no way that 10 reps of bench burns 500 calories. We'd all wither away to nothing.
Check my calculations. I could do it in metric and come out with the same results. This is in real calories, as in real scientific units, not the kcal crap.
by tostig
Sun Jan 27, 2013 12:36 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Re: Calories burned weight lifting

I get about 17.4 kilocarlories. 100 lbs * 32.15 ft/sec/sec * 20/12 * 10 = 53,585 ft-lbs * 0.000323832 kilocalories per ft-lb.... You don't need to multiply by 32.15 since lbs is already a force. 100lb x 20in = 166.67ft-lb (1 ft-lb = 0.323831554 calorie) 53.97 calories x 10 reps = 539.7 calories Cal...
by tostig
Sat Jan 26, 2013 11:44 pm
Forum: General
Topic: Form check
Replies: 23
Views: 13115

Re: Form check

I noticed that on your down motion, your ass is a lot higher than when you start the up motion. That's causing you to round your back. Your down motion should be opposite of your up motion. So make sure you bend your knees, stick out for butt and arch your back and stick out your chest as you ease t...
by tostig
Sat Jan 26, 2013 11:23 pm
Forum: Exercise Science
Topic: Calories burned weight lifting
Replies: 27
Views: 27607

Calories burned weight lifting

After being teased a few times by my friend because I treat myself to a vanilla bean latte after workout on Saturdays, I finally decided to crunch the numbers. 1 calorie =4.18J=4.18Nm For a dumbell press horizontal bench range is 20inches total weight is 100lb 10 reps That's 2260J = 540calories outp...
by tostig
Thu Dec 20, 2012 5:49 pm
Forum: General
Topic: Vacation and improved performance - my imagination?
Replies: 23
Views: 12665

Re: Vacation and improved performance - my imagination?

Yesterday morning I woke to a radio news story about a Stanford University study about sleep. Stanford U found that when athletes sleep 10hours the night before a big competition, athletes improve their performance. Tested were swimmers, basketball players, tennis players etc and improvements can be...
by tostig
Mon Dec 17, 2012 5:51 pm
Forum: General
Topic: Vacation and improved performance - my imagination?
Replies: 23
Views: 12665

Re: Vacation and improved performance - my imagination?

my spokesman services are provided without request at no charge Once again, I answered tostig's question, not yours. If he isn't satisfied with the answer, I would prefer if he told me so himself. Hopefully, this thread hasn't been hijacked to the point that tostig won't bother to reply. Well, I th...
by tostig
Sun Dec 16, 2012 11:09 am
Forum: General
Topic: Vacation and improved performance - my imagination?
Replies: 23
Views: 12665

Vacation and improved performance - my imagination?

I went on a 2week vacation. There I managed to fit in only two workouts. One hotel only had machines. Another hotel actually had a barbell rack. When I returned home, I was tired, jetlagged, etc so I skipped another two weeks. So effectively I hadn't worked out in one month. Then when I got back on ...
by tostig
Sun Oct 14, 2012 4:35 pm
Forum: General
Topic: teaching girlfriend to squat
Replies: 33
Views: 37853

Re: teaching girlfriend to squat

Oh, when lifting, pretend you are pushing the floor away from you as if you were on the leg press.

I also hesitate but it might be worth it. Try with no load on a smith machine being aware the smith machine gives you a false sense of balance.
by tostig
Sun Oct 14, 2012 4:21 pm
Forum: General
Topic: Reverse Pyramid
Replies: 8
Views: 7218

Re: Reverse Pyramid

Yeah, that's right: 95, 115 and 135lb. I thought it would be easier for people to relate to plates on each end. Anyways, I'm not doing pyramid and reverse pyramid in the same session. I have a day of rest in between like: Monday pyramid, Wednesday reverse pyramid. So I'm wondering why I can't perfor...
by tostig
Sun Oct 14, 2012 3:12 pm
Forum: General
Topic: teaching girlfriend to squat
Replies: 33
Views: 37853

Re: teaching girlfriend to squat

Here's my 2cents. If a toddler is available somewhere, watch how the kid squats. They go straight down. This is how I warm up. I grab one of the vertical posts of the barbell rack with two hands and squat down. Barefooted, legs spread at shoulder width, knees and toes pointing out like a V as is com...