The relation between exercise duration and intensity on phosphocreatine (PCR) level: An article review

Aprilia Durotun Nasikhah, Roy Januardi Irawan, Trias Mahmudiono

Research output: Contribution to journalReview articlepeer-review


Exercise is a physical activity that planned, structured, and sustainable. Exercise has 4 criteria, that is frequency, intensity, type, and duration. During exercise, phosphocreatine (PCr) depletion increases, and early intracellular acidosis has occurred. These changes contribute to a decrease in training capacity in terms of training duration. This literature review aimed to determine the relationship between the intensity and duration of exercise with the concentration of PCr and recovery factors. The literature study has carried out by selecting an Experiment research design. The results of the review showed that PCr was the largest energy contributor in the first 10 seconds of exercise in the heavy-intensity exercise where phosphocreatine triggers energy without oxygen or anaerobic. The recovery of PCr influenced by a person’s health condition and age. The concentration of PCr in children was higher than in adults because of the relatively high rate of oxidative ATP formation. It proved that there was a significant relationship between PCr and the duration and intensity of exercise.

Original languageEnglish
Pages (from-to)836-839
Number of pages4
JournalIndian Journal of Forensic Medicine and Toxicology
Issue number1
Publication statusPublished - 1 Jan 2021


  • Exercise duration
  • Exercise intensity
  • PCr
  • Phosphocreatine


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