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.
Count the beats for 10 seconds. Your heart rate should be about 50 to 85% of its maximum. (You can calculate your maximum heart rate by subtracting your age from 220). If you're out of shape or older than 60, aim for an intensity at the lower end of the 50 to 85% range.o perform a cardio respiratory workout, your heart rate should be 60% to 80% of your maximum heart rate. You can use a basic formula to determine your maximum heart rate for safe exercise. Subtract your age from 220.