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Tuesday, May 19, 2020

The Effect of Detaining on Swimmers


After five months of intense training, a study of eight male swimmers was conducted within four weeks of no training. The performance time was not affected. However, the losses in training aspects during that period were:

  • Muscle glycogen decreased from 153 to 93 mm / kg;
  • High blood lactate level from 4.2 mm / l to 9.7 mm / l. After swimming 200 yards, 90% of the best time
After only one week, a decrease in the oxidative potential of swimmers' muscles and a greater disturbance of acid-base balance in the blood after swimming is observed. The study also showed that complete conditioning may be completely lost within six to eight weeks after stopping training. What has been gained from conditioning in 5 months can be lost in a period of 6 to 8 weeks, and factors of loss of adaptation appear in the first week to 4 weeks, which is a short period.

The rest period (vacation) given to swimmers from training, especially after an important competition, will determine the condition of the swimmers when they start training again. If the effects of training and adaptation are lost so quickly, it seems wise not to stop training during the transitional period between training seasons. Rather, it is better to swim according to a schedule that would facilitate maintaining the state of training and adaptation or allow the adaptation to decrease slightly. This is an important consideration because the time it takes to restore the lost adaptation is not the same amount of time that will lead to more improvements than those achieved in the previous adaptation of the training.

By allowing swimmers to refrain from training, coaches will limit the swimmers' ability to improve.


Reference:

Costill, D., Fink, W., Hargreaves, M., King, D., Thomas, R., & Fielding, R. (1984). Metabolic characteristics of skeletal muscle during detraining from competitive swimming. Medicine and Science in Sports and Exercise, 17, 339-342

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