Mar. 8th, 2007

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Gymnastics was kind of quiet this week. I'm getting worse again at everything involving momentum, but better at kicking or straddling to handstand and being able to hold it (often not at all, but more and more often for a couple of seconds at least). Tonight, just once, I kicked one and held for a count of 8... in yoga that would have been noticed and possibly clapped for, but there nobody even noticed. I really miss yoga.

Reading about metabolism is kind of confusing me. The NASM book says that the oxidative (aerobic) energy pathway kicks in when a muscle has been used for more than about 30 seconds (and has eaten up all its stored ATP and readily available glycogen), and also that it uses carbohydrates and fat. That got me wondering, do you have to eat carbs to burn fat? A few websites about lipid metabolism later, I'm not sure what the NASM book was talking about. I do know now that lipids have to be mobilized (gotten out of fat cells) before they can be metabolized, and that epinephrine (adrenaline!) is one of the key players in lipid mobilization. So now I have another idea for my future gym: scary movies playing in front of the cardio machines. ;)

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