Core Facilities


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  • Low Level - Glycogen

    Chemistry

    Glucose has a molecular weight of 180. Its composition is C6H12O6.

    Glucose gives up an H2O when it is strung together in glycogen. Each glucosal unit (glucopyranose residue) has a molecular weight of 162 and a composition of C6H10O5.

    Units

    Muscle glycogen concentration is presented as G Glycogen/100 G Muscle and mMol Glucose/kG Muscle.

    To convert G/100 G to mMol/kG, multiply by 62.

    Rested muscle glycogen concentration depends on diet, training and previous athletic activity. With this disclaimer, typical rested values are 1.4 G/100G (Hultman 1967) and 80 mMol/kG (Gollnick et. al. 1974).

    References

    Gollnick, P.D., K.Piehl and B. Saltin. Selective glycogen depletion pattern in human muscle fibers after exercise of varying intensity and at varying pedaling rates. J. Physiol. 241:45-57, 1974.

    Hultman, E. Physiological role of muscle glycogen in man, with special reference to exercise. Cir. Res. 20(Suppl. 1):99-112, 1976.