DIFFERENCES IN THE RATE OF ANAEROBIC ENERGY RELEASE AS A RESULT OF HIGH-INTENSITY VERSUS LOW-INTENSITY INTERVAL TRAINING

A high intensity training group (1,800 m/day at 80% of maximum 200 m time - 90% VO2max) and low intensity training group (1,800 m/day at 70% of maximum 200 m time - 80% VO2max) were compared.

The high intensity group exhibited specific anaerobic adaptations:

1. nearly twice as high anaerobic qualities;
2. greater rates of anaerobic energy release capacities;
3. an ability to use muscle glycogen stores at faster rates;
4. an ability to maintain a high percent of maximal anaerobic power during the interval;
5. higher rates of ATP delivery;
6. high blood lactates; and
7. lower pH and base excess data.

Implication. Training must incorporate anaerobic sets if rates of energy use are to be improved. A significant factor in sprinting is the ability to mobilize high levels of energy. Training forms at AN-2 level develop this capacity (see appended table).

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