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  • Muscle damage  (1)
  • Springer  (1)
  • American Chemical Society
  • The American Association for the Advancement of Science (AAAS)
  • Elsevier
  • 1985-1989  (1)
Collection
Publisher
  • Springer  (1)
  • American Chemical Society
  • The American Association for the Advancement of Science (AAAS)
  • Elsevier
Years
  • 1985-1989  (1)
Year
  • 1
    ISSN: 1439-6327
    Keywords: Eccentric contractions ; Muscle damage ; Muscle pain ; Radioisotope uptake
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We have studied the occurrence of skeletal muscle uptake of 99mtechnetium pyrophosphate (Tc-PYP), creatine kinase (CK) release and muscle pain in normal subjects after exercise. Five subjects stepped on and off a high bench in such a way that one leg stepped up and the other down. Pain only developed in the muscles used for descending: quadriceps, adductors and gluteal muscles of one leg and the calf muscle of the other. A large rise in plasma CK occurred in four subjects but no increased Tc-PYP muscle uptake was seen in the quadriceps. In the four subjects with high CK effluxes, increased isotope uptake was seen in the thigh adductors used when stepping down; in the two subjects with the largest CK effluxes there was extensive uptake into the gluteal muscles. Muscle pain preceded and was not well correlated with either the magnitude of the enzyme release or the amount and distribution of increased muscle isotope uptake. We conclude that delayed onset muscle pain, the cause of which remains unknown, is a poor indicator of muscle damage as indicated by circulating muscle enzymes and muscle isotope uptake. Tc-PYP uptake by skeletal muscle can provide useful information about the localisation and time course of muscle damage.
    Type of Medium: Electronic Resource
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