Skip Navigation LinksHome > May 2003 - Volume 35 - Issue 5 > ASSESSMENT OF MOOD CHANGES AT 45% AND 65% VO2MAX AT SEA LEVE...
Medicine & Science in Sports & Exercise:
D-14H Free Communication/Poster Altitude Effects/Hyperbaria

ASSESSMENT OF MOOD CHANGES AT 45% AND 65% VO2MAX AT SEA LEVEL AND 4300 M ALTITUDE

Kambis, K W.1; Fulco, C S.1; Friedlander, A L.1; McQuaid, D B.1; Jackson, C W.1; Ickes, S B.1; Muza, S R.1; Rock, P B.1; Cook, L1; Cymerman, A1

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1The College of William & Mary, Williamsburg, VA and The U.S. Army Research Institute of Environmental Medicine, Natick, MA

Both exercise and high altitude (HA) stresses are known to alter mood state. However, the interaction of these stressors on mood is not well documented. Additionally, traditional methods for measuring mood alterations limit the assessment of exercise on mood state to pre- and post-exercise testing. Such measures may not accurately reflect mood during exercise.

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PURPOSE

(1) Determine the effect of exercise of specific intensities on mood; and, (2) measure differences in exercise-induced mood changes at sea level (SL) and 4300 m.

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METHODS

16 healthy male volunteers were administered the Feelings Profile (FP), a 19-item short form of the Profile of Mood States (Jackson et al. 1991) at baseline (BL), after 15 minutes of steady-rate cycle exercise at 45% VO2max and then again after 15 minutes at 65% VO2max while at SL and on days 3 and 10 of HA exposure. The FP was self-administered via a touch-screen monitor adjacent to the cycle ergometer so subjects could continue exercising while completing the questionnaire. Constructs for Tension, Depression, Anger, Fatigue, Vigor, Confusion, and Global mood were assessed.

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RESULTS

There were negative changes in 5 mood constructs at HAday3 compared to SL, but none at HAday10 when compared to SL. At SL, exercise decreased Depression (45% & 65% VO2max), and increased Anger (65% VO2max), Fatigue (65% VO2max) and Global (65% VO2max) mood. HAday3 Vigor decreased and Global mood increased at 65% VO2max. On HAday10, Fatigue and Global mood decreased at 65% VO2max.

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CONCLUSION

Except for Depression, exercise intensities above 45% VO2max are required to affect mood at sea level. Altitude appears to attenuate the positive effect of exercise on mood state acutely and chronically. Supported by The Borgenicht Program, The Jeffress Memorial Trust, and The Department of Defense.

©2003The American College of Sports Medicine

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