Interference of strength development by simultaneously training for strength and endurance

  • Robert C. Hickson
Article

Summary

The purpose of this study was to determine how individuals adapt to a combination of strength and endurance training as compared to the adaptations produced by either strength or endurance training separately. There were three exercise groups: a strength group (S) that exercised 30–40 min·day−1, 5 days·week−1, an endurance group (E) that exercised 40 min·day−1, 6 days·week−1; and an S and E group that performed the same daily exercise regimens as the S and E groups. After 10 weeks of training, VO2 max increased approx. 25% when measured during bicycle exercise and 20% when measured during treadmill exercise in both E, and S and E groups. No increase in VO2 max was observed in the S group. There was a consistent rate of development of leg-strength by the S group throughout the training, whereas the E group did not show any appreciable gains in strength. The rate of strength improvement by the S and E group was similar to the S group for the first 7 weeks of training, but subsequently leveled off and declined during the 9th and 10th weeks. These findings demonstrate that simultaneously training for S and E will result in a reduced capacity to develop strength, but will not affect the magnitude of increase in VO2 max.

Key words

Maximum oxygen uptake Weight training Heavy resistance training 

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Copyright information

© Springer-Verlag 1980

Authors and Affiliations

  • Robert C. Hickson
    • 1
  1. 1.Department of Physical EducationUniversity of Illinois at Chicago CircleChicagoUSA

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