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).
As a rule of thumb, the better the skipper, the lighter his crew can be. If you are an intermediate skipper, you may be more comfortable with a medium weight crew of 440-480 pounds. When the wind blows, this weight is more comfortable and requires less work. Novice crews may find a heavy crew weight, 450-520 pounds, even more comfortable. These weights let you make more mistakes. This has its advantages when you are learning but it wonât win many races for you.