Muscle metabolism in older subjects using 31P magnetic resonance spectroscopy.

  title={Muscle metabolism in older subjects using 31P magnetic resonance spectroscopy.},
  author={Kevin K McCully and Mary Ann Forciea and L M Hack and Eileen Donlon and Robert W Wheatley and C A Oatis and Teresia Goldberg and Britton Chance},
  journal={Canadian journal of physiology and pharmacology},
  volume={69 5},
We used phosphorus magnetic resonance spectroscopy to study the calf muscles of elderly normal (mean +/- SD) (80.0 +/- 5.12 years), elderly impaired (80.7 +/- 0.58 years), old normal (66.8 +/- 1.92 years), and young normal people (24.6 +/- 4.72 years). Relative levels of inorganic phosphate (Pi), phosphocreatine (PCr), and adenosine triphosphate were measured with a 1.9-tesla, 30-cm bore magnet at rest and following plantra flexon exercise. No differences were found at rest or during recovery… CONTINUE READING
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