Table 1. Urine flow rate, urine to serum osmolality ratio, and urinary excretion of electrolytes during exercise. Values are mean (SD) for 7 subjects.
|
NF |
VF |
PF |
FF |
UFR (ml·min–1) |
Pre |
1.04 (.77) |
.85 (.35) |
.88 (.61) |
.95 (.67) |
Post |
.29 (.11) * |
.36 (.16) |
.42 (.17) |
.51 (.23) |
U/Sosm |
Pre |
3.3 (.8) |
3.3 (.4) |
3.3 (.9) |
3.2 (.8) |
Post |
3.2 (.3) |
3.4 (.1) |
3.3 (.4) |
3.6 (.5) |
UNa+V (µmol·min–1) |
Pre |
179 (73) |
175 (117) |
162 (85) |
152 (41) |
Post |
59 (39) * |
72 (45) |
80 (68) |
88 (71) |
UK+V (µmol·min–1) |
Pre |
44 (22) |
38 (11) |
34 (18) |
38 (14) |
Post |
38 (14) |
45 (24) |
55 (29) |
55 (31) |
UClV (µmol·min–1) |
Pre |
161 (57) |
161 (94) |
154 (77) |
183 (151) |
Post |
73 (46) |
97 (55) |
99 (63) |
113 (73) |
* p < 0.05 denotes a significant difference from pre-exercise.UFR, urine flow rate; U/Sosm, urine to serum osmolality ratio; UNaV, urinary excretion of sodium; UKV, urinary excretion of potassium; UClV, urinary excretion of chloride.