Document Detail

Immunological Impact of Taekwondo Competitions.
MedLine Citation:
PMID:  22113537     Owner:  NLM     Status:  Publisher    
Immunological changes in elite adolescent female athletes during Taekwondo competitions were investigated on-field. 6 female athletes (16.7±0.8 year-old) volunteered and performed 5 bouts of demonstration Taekwondo competitions simulating real tournaments in intensity, duration, and break-time intervals on the same day. Blood samples were taken before, after the competitions and during the recovery, respectively. Immunological changes and oxidative stress in peripheral blood mononuclear cells were evaluated by flow-cytometry. During the competitions, exercise intensity was 92.2±3.8% (86.1~95.7) of the maximal heart rate. Blood lactate increased immediately after the competitions (p=0.0165) and decreased to baseline during recovery. Intracellular reactive oxygen species (ROS) in the peripheral blood increased continuously during recovery (p<0.05, respectively). Natural killer cells increased immediately after the competitions (p=0.0006), and decreased during recovery. B and T cells increased immediately after the competitions and remained elevated throughout recovery (p<0.05, respectively). CD4/CD8 ratio after the competitions was decreased (p=0.0091) and returned to baseline during recovery. These results suggest that the immunological function of the elite female adolescent athletes could be attenuated after Taekwondo competitions. Further large-scaled Taekwondo studies on immunologic and apoptotic changes related to oxidative stress should be performed for improving and protecting the health of adolescent athletes.
Y W Lee; K W Shin; I-Y Paik; W M Jung; S-Y Cho; S T Choi; H D Kim; J Y Kim
Related Documents :
2348327 - Fetal ecg waveform analysis should improve fetal surveillance in labour.
17959887 - Maternal caffeine administration and cerebral oxygenation in near-term fetal sheep.
3318917 - Ultrasound measurement of fetal blood flow in predicting fetal outcome.
8483067 - Halothane as an anesthetic for fetal surgery.
1326717 - 5-ht1-like receptor mediated changes in porcine carotid haemodynamics: are 5-ht1d recep...
9713727 - The clinical relevance of hemoglobin, platelet, and serotonin changes in sequestered an...
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-23
Journal Detail:
Title:  International journal of sports medicine     Volume:  -     ISSN:  1439-3964     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© Georg Thieme Verlag KG Stuttgart · New York.
Department of Internal Medicine.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Human mRNA Response to Exercise and Temperature.
Next Document:  Management of forearm nonunions: current concepts.