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.
With cardiovascular training, aim for between 70 and 85 percent of your maximum heart rate; the same 16-year-old would want to keep his heart rate between 143 and 173 beats per minute. Teenage Heart Health; One very common and unsettling heart issue teenagers sometimes face is known as the precordial catch.