The best-known member of the genus Atropa is Deadly Nightshade (A. belladonna) - the poisonous plant par excellence in the minds of many.
According to ACE's standards, it is normal for female athletes to have between 14 and 20 percent body fat, for fit women to fall between 21 and 24 percent and for average women to have between 25 and 31 percent body fat.
Instead of focusing on muscle itself, most medical professionals defer to body fat to determine if your muscle mass is at an ideal percentage for your height. Women should have a body fat percentage somewhere between 20 and 21 percent.Men should have far less, coming in at 13 to 17 percent.he National Institutes of Health provides a rough estimate of desirable body weight for height. Women should weigh approximately 100 lbs. at 5 feet and then another 5 lbs. for each inch over this height. Men should weigh a bit more, coming in at 106 lbs. at 5 feet and then an extra 6 lbs. for each inch over this height.