This is very unusual for any one to have blood in the urine. Menstruation can cause a positive urine test. If you are not menstruating, then it means there is a source of bleeding within your bladder or ureter or kidney. This requires verification with additional urinalyses and then follow up testing if still positive. In brief: Blood in urine.
The FISA (International Rowing Federation) minimum weight for men's crew coxswains is 55 kilograms (121.25 pounds) in racing uniform. For Women's and Mixed Crews, the weight minimum is 50 kilograms (110.23 pounds) in racing uniform.he minimum weights for a cox depend on the gender and age of the crew they are coxing. If the crew is racing at Junior 15 or younger (J15), then the minimum weight of the cox is 45 kg (99.21 lbs).
rowing for an hour at a moderate intensity will burn 493 calories. The same man rowing for an hour at a light intensity would only burn 246 calories, while at a vigorous level he would burn 844. The amount of calories you burn also depends on your body. For example, a trained rower who weighs 155 lbs.