Early alterations in serum creatine kinase and total cholesterol following high intensity eccentric muscle actions

Shahbazpour, N., Carroll, T. J., Riek, S. and Carson, R. G. (2004) Early alterations in serum creatine kinase and total cholesterol following high intensity eccentric muscle actions. Journal of Sports Medicine And Physical Fitness, 44 2: 193-199.


Author Shahbazpour, N.
Carroll, T. J.
Riek, S.
Carson, R. G.
Title Early alterations in serum creatine kinase and total cholesterol following high intensity eccentric muscle actions
Journal name Journal of Sports Medicine And Physical Fitness   Check publisher's open access policy
ISSN 0022-4707
Publication date 2004
Sub-type Article (original research)
Volume 44
Issue 2
Start page 193
End page 199
Total pages 7
Editor A. Dal Monte
Place of publication Torino, Italy
Publisher Edizioni Minerva Medica
Collection year 2004
Language eng
Subject C1
321403 Motor Control
780108 Behavioural and cognitive sciences
Abstract Aim. The purpose of this experiment was to assess the levels of muscle soreness, serum total cholesterol (TC) and creatine kinase (CK) in the first 48 hours following fatiguing eccentric exercise performed with the triceps brachii. Methods. Eleven untrained male college students performed a total of 50 eccentric elbow extensions in 8 sets (6x7 and 2x4) with a load equal to 85% of their maximal concentric elbow extension strength. Isometric elbow extension strength, muscle soreness and circumference, and serum CK and TC concentrations were measured before, immediately after, and 2, 24 and 48 hours after the exercise. Results. Statistically reliable changes in isometric strength, serum CK and TC, muscle soreness and upper arm circumference occurred within the first 48 hours following eccentric exercise. Serum TC concentrations exhibited a very rapid (within 2 hours) reduction from pre-exercise values after eccentric exercise to a relatively stable concentration of approximately 85% of baseline. Conclusion. These results suggest that serum TC concentration may follow the time-course of reductions in force generating capacity more closely than other biochemical markers of muscle damage.
Keyword Sport Sciences
Muscle, Skeletal, Physiology
Fatigue
Creatine Kinase
Cholesterol
Coronary-bypass Surgery
Exercise
Damage
Soreness
Injury
Q-Index Code C1

 
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