Burning BodyMedia
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5 minute Ignite talk I gave at the 2012 Quantified Self conference.
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Burning BodyMedia
- 1. Burning BodyMedia: Calories burned in SF & Burning Man Greg Schwartz @UXgreg
- 2. What is Burning Man?
- 3. What is Burning Man?
- 4. The Sensor
- 5. A quiet weekday Sleep Wake Work Relax Ride to work Ride home 3084 - 4051 calories Average: 3450
- 6. A normal weekend (day) Sleep Email Errands Fire practice Wake Sensor off 3453 - 4300 calories Average: 3787
- 7. ...did you say Fire?
- 8. An intense weekend Sleep Shopping for gear Dancing Wake Poi performance (sensor off) 4300 calories
- 9. Calories so far Weekday Weekend 3000 4000 5000 6000
- 10. My quietest day at Burning Man Sleep Wake Shower Dancing (sensor off) Exploring the playa 4433 calories (max default world: 4300)
- 11. A normal day at Burning Man Dancing Sleep Wake Dinner Anubis burn Camp work 5063 calories (max default world: 4300)
- 12. My most intense day at Burning Man Sleep Wake Exploring Party Dancing 5764 calories! (max default world: 4300)
- 13. What I learned: #1 I burn much more at Burning Man! Max default world Burning Man
- 14. What I learned: #1 I burn much more at Burning Man! Weekday Weekend Burning Man 3000 4000 5000 6000
- 15. What I learned: #2 Dancing in SF Dancing at Burning Man Up to 9 cal/min Up to 10 cal/min Pre-burn camp work Up to 10 cal/min
- 16. What I learned: #2 Setting up camp Up to 9 cal/min 5213 calories Tearing down camp Up to 7 cal/min 5618 calories
- 17. What I learned: #2 Fire dancing 13 cal/min! (not actually from that night)
- 18. What I learned: #3
- 19. Thank you! (that’s not me, I just like the photo) greg@gregschwartz.net @UXgreg
- 20. I’m looking for an awesome company to join! • User Experience Designer • Love Quantified Self, Behavior Change, Data Viz • Also sometimes code in Ruby and Obj-C • Live in SF (that’s not me, I just like the photo) greg@gregschwartz.net @UXgreg
Notes de l'éditeur
- Hi, I’m Greg Schwartz. I’ve been wearing a BodyMedia armband, which tracks the number of calories I burn each day, and I wore it to Burning Man to answer two questions: 1) how many more calories do I burn there? 2) when do I burn the most calories?\n
- Burning Man is a giant festival in the Nevada desert. In the daytime it’s 90-100 degrees, and at night it can get as low as 40 degrees. A huge temporary community is created, and people bring art, perform, and socialize.\n
- People also bring “Art cars” of all shapes and sizes; this is an old yacht named the Christy, mounted on top of a bus chassis. There are also huge “sound camps” which are basically dance-clubs on the playa. This the one I’m part of, Opulent Temple. \n
- The sensor I wear is a BodyMedia armband. It has 4 sensors: galvanic skin response (how hard you’re working), skin temperature, heat flux (how much heat is dissipating from your body), and an accelerometer (how much you’re moving).\n
- So, on to the data I collected before Burning Man, to serve as a baseline. Here’s a quiet weekday, staying in rather than going out after work. Overall, weekdays range from 3-4k calories, and average three thousand four hundred fifty. \n
- Here’s a particularly nice day on the weekend. They average a few hundred calories more: three thousand seven hundred eight seven. Get up, do some computer work, get a massage (with the sensor off, notice the flatline), errands, and fire poi practice.\n
- Yup, I said fire practice :) I’ve been fire dancing for over two years: I mostly spin poi, which are kevlar weights on a chain. It’s a lot of fun! Unfortunately, the BodyMedia sensor isn’t completely fire-safe, so I usually don’t wear it when I’m fire dancing.\n
- Anyway, here’s my most intense day before Burning Man. The bulk was from dancing the night before. Add on a poi performance (see the data flatten?) and walking around shopping for Burning Man gear. Total: 4300 calories.\n
- So far, we’ve seen that weekends are more intense -- makes sense, weekdays are mostly spent at work! Interestingly, the average weekday is about even with the least intense weekend. My overall average is 3500 calories a day. \n
- Now, on to Burning Man. Here’s the quietest day I had there. I burned four thousand four hundred thirty three calories. That’s one hundred thirty three calories more than my MOST active day in the Default World! \n-- [note: 28th]\n
- Now, here’s a normal day at Burning Man. I danced until almost sunrise, slept, worked at my camp, then went out to see some art burn. Five thousand sixty three calories, 630 calories more than my most active day in SF.\n\n-- [note: 31st]\n
- Here's my most intense day. Danced until early morning, slept, explored, and then a huge party at my camp. Five thousand seven hundred sixty four calories! 34% more than my default world max.\n\n-- [note: 29th]\n
- So, back to my questions. This graph shows how many calories I burned each day. In the default world, I’m well below forty five hundred calories. At Burning Man, I’m usually far beyond that. I was definitely surprised by the magnitude!\n
- Here’s a summary view; the diamonds indicate the average. Notice the range for Burning Man only barely overlaps the weekend range! Burning Man IS intense, but I think that’s actually because I didn’t do any day long bike rides or hikes during the experiment.\n
- Now for my second question, when do I burn the most? Much to my surprise, dancing in SF and at Burning Man aren’t all that different; both peak around 10 calories per minute. And they’re both comparable to pre-Burn work that I did for our camp.\n
- My next guess was setting up and tearing down camp, but neither was actually as intense as dancing. Of course they were sustained efforts for many hours, so I burned a lot of calories. In fact, Tear Down was the second most intense day of my burn! \n
- Remember I said that I usually don’t wear the BodyMedia sensor when I fire dance? Well I did one night, and check it out! The most intense moments of the whole week: I was burning 13 calories a minute! Which finally answers question number 2!\n
- The last thing I learned was an unexpected source of error. BodyMedia defines days as midnight to midnight, which means activity after midnight counts for the next day, skewing the total calories burned. Defining days as the time between sleeping would fix that.\n
- So that’s what I learned wearing my BodyMedia sensor at Burning Man. Thank you for listening. I hope the photos of Burning Man and fire dancing peaked your interest! You can follow me on Twitter at UXGreg, and my email address is Greg@gregschwartz.net\n
- Finally, I’m looking for an awesome company to join! I’m a User Experience Designer. Obviously I’m passionate about the Quantified Self, as well as Behavior Change and good Data Visualizations. If you need help making your app or site easier to use, I'd love to work with you.\n