Noun. 1. Mountain Standard Time-standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west; used in the mountain states of the United States. Mountain Time, MST.
Best Answer: I will highlight 3 simple and commonly used type of heart rate: Max HR = 220 - age Target HR = (220 - age) % of intensity Resting HR = Measured while awake but still in bed 50 to 80, regular exercise or sportsman = 35 to 50 Average HR for adult = 60 to 90, Average HR for teenage boy or girl = 60 to 80.
What is the maxial heart rate of a 14-year-old girl? A 14-year-old girl who is physically fit has an estimated maximum heart rate of 204 beats per minute, according to TeensInCharge.org. The recommended target heart rate range for exercise for the same girl is 122 to 163 beats per minute.