Effects of strenuous exercise on serum myosin heavy chain fragments in male triathletes
Deutscher übersetzter Titel: | Auswirkungen erschoepfender koerperlicher Belastung auf Fragmente des schwerkettigen Myosins im Serum von maennlichen Triathleten |
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Autor: | Prou, E.; Margaritis, I.; Tessier, F.; Marini, J.F. |
Erschienen in: | International journal of sports medicine |
Veröffentlicht: | 17 (1996), 4, S. 263-267, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource Elektronische Ressource (online) |
Sprache: | Englisch |
ISSN: | 0172-4622, 1439-3964 |
DOI: | 10.1055/s-2007-972844 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199606108466 |
Quelle: | BISp |
Abstract des Autors
During the Nice Triathlon (June 26, 1994), the serum levels of type I myosin heavy chain (MHC) fragments and creatine kinase (CK and CK-MB) activities were assessed in 12 athletes in order to evaluate the exercise-induced muscle damage. Blood samples (BS) were taken 2 days before the event (baseline) on arrival, 6 and 24 h later, and 2 and 4 days later. The mean results (and SD) were respectively: MHC (micro-U/l): 142 (69), 156 (116), 242 (144), 1183 (574), 2603 (1405), 1002 (523); CK (U/l): 109 (27), 626 (267), 1188 (562), 1159 (442), 633 (385, 224 (119). The CK peak occurred at BS-6h for 8 subjects, and at BS-24h for the other ones. The MHC peak occurred at BS-48h in all the subjects. The CK-MB/CK ratios exhibited a profile similar to those described previously. Serum MHC peak values were correlated with CK ones (r=0.67; p<0.05). After a four-day recovery period, as the CK values had decreased, the MHC levels were still elevated. The main result of the study is the MHC peak occurrence at BS-48h in all the subjects. Verf.-Referat