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Thursday, December 31, 2009

The Physics Diet

My last post was really a rant about online logging of things like running, exercise and food. It didn't start out that way, I had initially intended to share my thoughts on The Physics Diet, where I've now entered in all of my weight history for the last year.

It's a pretty simple concept. On the site, you sign up and enter in your weight each day. That's it. It will also accept some more data, like calories eaten/burned, body fat percentage, and resting heart rate. The Physics Diet will show you a rolling average weight, an average BMI, your Resting Metabolic Rate, and more.

I love the charts on this site. The site is simple to use, free and fast to enter data. It doesn't seem to export or import, which is a downside, but is still really interesting.

Something I see that I like also, is Calorie Deficit. Basically, there are 3500 calories in a pound of fat. So, the web site calculates Calorie Deficit by (# of pounds lost x 3500) / # of days. In real life, your body might not work this way, but it is interesting to see how many calories you didn't eat over some time span.

If you enter in more data, such as calories eaten / burned, it will give you some interesting stats about your metabolism.

Here is what I have learned about myself by entering in my weight and my weight only:
  • In 2009, I officially lost 0.1 pounds (whoopee!)
  • Over the last 30 days, I've gained 1.4 pounds (Holidays...)
  • Over the last week, I've gained .2 pounds (like I said, holidays)
  • The most weight I've lost in a single week this year has been .74 pounds. Yes, I'm a slow loser these days.
  • ... and clearly I gained that back, lol.
  • And I got this handy little chart:


I know, it's small and I cut the weight off of the left hand side. But, here's what we see. The black straight line is the straightest line that can be drawn across all weights. This is a downward trend for me, but is perhaps a little more dramatic than it realistically really is because I have gained a lot over the last month.

The squiggly blue line is my rolling average weight, or the weight trend. This is the best thing to see what I am doing with my weight, because it shows where I'm all over the place this year (uh, Marathon training will do that to you). The green and red show individual weights that I entered, and whether they fell above or below the daily trend line.

Kinda cool, huh?

You can definitely see where I went to Bonaire the first week of April / last week of March, an up tick in the chart around August when I became to focused on work to do anything other than work and get my runs in, a swift downward trend in September when I decided to get my ass in gear and lose weight for the marathon, and then my trip to Hawaii over Thanksgiving and subsequent apathy.

The difference of my absolute highest weight on the chart (in January) and the absolute lowest (in November) is only a difference of about 9 or 10 pounds, so my weight this year has really been nothing to write home about, and it's still not going to be anything next year. At least that is what I assume, because I don't want to put too much emphasis in my head about it.

Still interesting, though.

2 comments:

*jeanne* said...

Hey, are you doing the Disney Marathon ? I did that in 2006. (back in my better days. BAH arthritis or whatever)
I saw Disney on your race calendar link to Athlinks.
Yes, lots of us missed Celtic Solstice. But seems like 388 hardy souls made it. I am envious!

Kim said...

I am!

I did it in 2007 and 2008 and then in 2009 I did the half. I'm giving it one more go!

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