The effects of a roundtrip trans-American jet travel on physiological stress, neuromuscular performance, and recovery.
The purpose was to examine the effects of a round trip trans-American jet travel on performance, hormonal alterations, and recovery. Ten matched pairs of recreationally trained men were randomized to either a compression group (COMP) (n = 10; age: 23.1 ± 2.4 yr; height: 174.8 ± 5.3 cm; body mass: 84.9 ± 10.16 kg; body fat: 15.3 ± 6.0%) or control group (CONT) (n = 9; age: 23.2 ± 2.3 yr; height: 177.5 ± 6.3 cm; weight: 84.3 ± 8.99 kg; body fat: 15.1 ± 6.4%). Subjects flew directly from Hartford, CT to Los Angeles, CA 1 day before a simulated sport competition (SSC) designed to create muscle damage and returned the next morning on an overnight flight back home. Both groups demonstrated jet lag symptoms and associated decreases in sleep quality at all time points. Melatonin significantly (P < 0.05) increased over the first 2 days and then remained constant until after the SSC. Epinephrine, testosterone, and cortisol values significantly increased above resting values before and after the SSC with norepinephrine increases only after the SSC. Physical performances significantly decreased from control values on each day for the CONT group with COMP group exhibiting no significant declines. Muscle damage markers were significantly elevated following the SSC with the COMP group having significantly lower values while maintaining neuromuscular performance measures that were not different from baseline testing. Trans-American jet travel has a significant impact on parameters related to jet lag, sleep quality, hormonal responses, muscle tissue damage markers, and physical performance with an attenuation observed with extended wear compression garments.
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
William J
WJ
Kraemer
Department of Health Sciences, Armstrong State University, Savannah, Georgia; and.
David R
DR
Hooper
Uniformed Services University of Health Sciences, Bethesda, Maryland;
Brian R
BR
Kupchak
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Catherine
C
Saenz
Department of Kinesiology, California State University-Fullerton, Fullerton, California;
Lee E
LE
Brown
Department of Kinesiology, Health Promotion and Recreation, University of North Texas, Denton, Texas;
Jakob L
JL
Vingren
Department of Kinesiology, Health Promotion and Recreation, University of North Texas, Denton, Texas;
Hui Ying
HY
Luk
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
William H
WH
DuPont
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Tunde K
TK
Szivak
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Shawn D
SD
Flanagan
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Lydia K
LK
Caldwell
Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland;
Daniela
D
Eklund
Department of Kinesiology, University of Connecticut, Storrs, Connecticut.
Elaine C
EC
Lee
Department of Biology of Physical Activity, University of Jyväskylä, Jyväskylä, Finland;
Keijo
K
Häkkinen
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Jeff S
JS
Volek
Andrews Research and Education Foundation, Gulf Breeze, Florida;
Steven J
SJ
Fleck
Department of Human Sciences, The Ohio State University, Columbus, Ohio;
Carl M
CM
Maresh
D000328:Adult; D054874:Athletic Performance; D002940:Circadian Rhythm; D005260:Female; D006728:Hormones / Q000097:blood; D006801:Humans; D048228:Intermittent Pneumatic Compression Devices; D020179:Jet Lag Syndrome / Q000503:physiopathology* / Q000517:prevention & control*; D008297:Male; D018763:Muscle Fatigue; D020127:Recovery of Function; D012890:Sleep; D013312:Stress, Physiological; D014195:Travel; D014481:United States
D006728:Hormones
circadian patterns; endocrine system; muscular performance; neuromuscular; power; speed