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J Athl Train. 2015 Mar;50(3):295-302. doi: 10.4085/1062-6050-49.5.04. Epub 2015 Jan 26.

Nonsteroidal anti-inflammatory drug use and endurance during running in male long-distance runners.

Author information

1
Unilasalle, Canoas, Brazil;

Abstract

CONTEXT:

The effect of ibuprofen on pain tolerance during exercise is controversial, and its effects on endurance performance have been poorly investigated.

OBJECTIVE:

To investigate the effect of prophylactic administration of the nonsteroidal anti-inflammatory drug ibuprofen on the time until the self-report of fatigue (tlim) in runners with exercise-induced muscle damage.

DESIGN:

Randomized controlled clinical trial.

SETTING:

Laboratory.

PATIENTS OR OTHER PARTICIPANTS:

Twenty healthy male long-distance runners (age = 18.8 ± 0.4 years, maximal oxygen consumption = 55.5 ± 5.9 mL·kg(-1)·min(-1)).

INTERVENTION(S):

Participants were assigned to 2 groups (ibuprofen group = 10, placebo group = 10) to perform tlim trials (speed corresponded to their previously determined secondventilatory thresholds) 48 hours before and 48 hours after the induction of a lower limb muscle-damage protocol (isokinetic dynamometry). One hour before the second tlim trial, the ibuprofen group received 1.2 g ibuprofen, and the placebo group received lactose orally.

MAIN OUTCOME MEASURE(S):

Time until self-reported fatigue, heart rate, respiratory quotient, oxygen consumption, and perceived exertion were recorded during each tlim test.

RESULTS:

Both groups reported increases in muscle pain in the knee extensors and flexors 48 hours after the muscle-damage protocol. We observed a reduction in the endurance performance of both groups (P < .01) but no difference between groups (P = .55).

CONCLUSIONS:

Ibuprofen did not reduce the effect of muscle damage and pain on performance. Prophylactic use of nonsteroidal anti-inflammatory drugs did not have an ergogenic effect on running performance after exercise-induced muscle damage in male long-distance runners.

KEYWORDS:

NSAIDs; exercise; fatigue; ibuprofen; muscle pain

PMID:
25622243
PMCID:
PMC4477926
DOI:
10.4085/1062-6050-49.5.04
[Indexed for MEDLINE]
Free PMC Article

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