Table 1.

Isometric muscle function test results before and after 40-km cycling time trial preceded by ingestion of 120 mg pseudoephedrine or placebo

Pseudoephedrine Placebo
Before exercise
 Maximum voluntary contraction, N ⋅ m247 ± 18 251 ± 21
 Time to fatigue, s91 ± 9 82 ± 14
After exercise
 Maximum voluntary contraction, N ⋅ m238 ± 21* 232 ± 16*
 Time to fatigue, s65 ± 8* 67 ± 13*
  • Values are means ± SE for 10 cyclists.

  • * Before vs. after exercise, P < 0.05.