The Candle Burning Guide - Center Burning Candles. Certain candles are designed to burn down the middle for different reasons, or a combination of different reasons. Candles with a unique finish, or unique burning characteristic, may burn down the middle in order to position the flame inside of the candle and illuminate from the inside out.
To find your maximum heart rate, subtract your age from 220. For example, if you are 40 years old, your maximum heart rate is 180 (that is, 220 - 40 = 180). Multiplying this by 50 percent and then 85 percent results in your target heart rate range of 90 to 153 beats per minute.
To improve your fitness levels it's recommended you perform 20-60 minutes of cardio exercise at an intensity 60-90% maximal heart rate (220-age = maximal heart rate), 3-5 days a week.tart with 5 minutes at 65-75% max heart rate (this is classified as zone 1). Increase the intensity of the cardio workout until you reach 80-85% max heart rate (zone 2) and hold for 1 minute. Return to zone 1 for 5 minutes and repeat the cycle.