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The Effect of Acetaminophen on Running Economy and Performance in Collegiate Distance Runners

Author

Listed:
  • Riley P. Huffman

    (Department of Recreation, Exercise & Sport Science, Western Colorado University, Gunnison, CO 81230, USA)

  • Gary P. Van Guilder

    (Department of Recreation, Exercise & Sport Science, Western Colorado University, Gunnison, CO 81230, USA)

Abstract

Acetaminophen (ACT) may decrease perception of pain during exercise, which could allow runners to improve running economy (RE) and performance. The aim of this study was to determine the effects of ACT on RE and 3 km time trial (TT) performance in collegiate distance runners. A randomized, double blind, crossover study was employed in which 11 track athletes (9M/2F; age: 18.8 ± 0.6 years; VO 2 max: 60.6 ± 7.7 mL/kg/min) completed three intervention sessions. Participants ingested either nothing (baseline, BSL), three gelatin capsules (placebo, PLA), or three 500 mg ACT caplets (ACT). One hour after ingestion, participants completed a graded exercise test consisting of 4 × 5 min steady-state stages at ~55–75% of VO 2 max followed by a 3 km TT. There was no influence of ACT on RE in any stage. Similarly, ACT did not favorably modify 3 km TT performance [mean ± SD: BSL = 613 ± 71 s; PLA = 617 ± 70 s; ACT = 618 ± 70 s; p = 0.076]. The results indicate that ACT does not improve RE or TT performance in collegiate runners at the 3 km distance. Those wanting to utilize ACT for performance must understand that ACT’s benefits have yet to be significant amongst well-trained runners. Future studies should examine the effects of ACT on well-trained runners over longer trial distances and under more controlled conditions with appropriate medical oversight.

Suggested Citation

  • Riley P. Huffman & Gary P. Van Guilder, 2022. "The Effect of Acetaminophen on Running Economy and Performance in Collegiate Distance Runners," IJERPH, MDPI, vol. 19(5), pages 1-14, March.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:5:p:2927-:d:762776
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