Influence of fitness on susceptibility to noise-induced temporary threshold shift

Two earlier reports indicated that cardiovascular fitness attenuates susceptibility to noise-induced temporary threshold shift (TTS) in hearing sensitivity; however, other parameters of fitness also may be related to this phenomenon. This study investigated the association of three different physica...

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Published in:Medicine and science in sports and exercise 1998-02, Vol.30 (2), p.289-293
Main Authors: KOLKHORST, F. W, SMALDINO, J. J, WOLF, S. C, BATTANI, L. R, PLAKKE, B. L, HUDDLESTON, S, HENSLEY, L. D
Format: Article
Language:English
Subjects:
Adolescent
Adult
Auditory Fatigue - physiology
Biological and medical sciences
Body Composition - physiology
Cardiovascular Physiological Phenomena
Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation
Exercise - physiology
Female
Fundamental and applied biological sciences. Psychology
Humans
Oxygen Consumption - physiology
Physical Fitness - physiology
Space life sciences
Vertebrates: nervous system and sense organs
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Summary:Two earlier reports indicated that cardiovascular fitness attenuates susceptibility to noise-induced temporary threshold shift (TTS) in hearing sensitivity; however, other parameters of fitness also may be related to this phenomenon. This study investigated the association of three different physical fitness indicators on TTS. Maximal aerobic power (VO2max), body composition. and recent activity history were determined in 33 normal-hearing females of various fitness levels. Audiometric thresholds were obtained at 2000, 3000, 4000, and 6000 Hz before and immediately after 10 min of exposure to 108-dB SPL narrow-band noise centered at 2000 Hz. All postnoise measurements were significantly less than prenoise measurements (P < 0.0001) with the greatest TTS occurring at 3000 Hz. Similarly, the strongest Pearson-product correlations for VO2max, % fat, and recent activity history with TTS occurred at 3000 Hz (r = -0.68, 0.60, -0.59, respectively; P < 0.05). Canonical correlation analysis indicated a moderate correlation between physical fitness and TTS (Rc = 0.71: P < 0.01). Individually, VO2max, % fat, and recent activity history had correlations of -0.70, 0.62, and -0.63, respectively, to the TTS canonical variable. From these results, we concluded that there is a moderate association of physical fitness and diminished temporary hearing loss experienced after noise exposure.
ISSN:0195-9131
1530-0315
DOI:10.1097/00005768-199802000-00018