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Abstract #1672

IMCL CHANGES DURING MODERATE ENDURANCE EXERCISE AS MEASURED BY THREE DIFFERENT METHODS

De Bock K, Hespel P, Van Hecke P, Dresselaers T
K.U.Leuven

We report the first study to compare the effect of moderate intensity endurance exercise on intramyocellular lipids (IMCL) utilization as measured with three methods: non-invasively using 1H MRS and two invasive techniques: Oil-Red-O (ORO) staining and a biochemical assay. Both 1H MRS and ORO staining revealed equal IMCL breakdown during exercise whereas no decrease could be detected whenever IMCL content was analyzed biochemically.