A survey of one and two progressive exercise session per day during a week on time response of muscles and liver stress enzymes in active girls
The intensity, duration, and type of daily exercise trainings can influence oxidative damage and antioxidant system of the body. The aim of this research was to study of daily 1 and 2 incremental training sessions on serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP) activity in active girls.
In this semi-experimental research, 21 physical education girls students were selected and randomly divided (n=7) into two experimental groups and one control group. The control group prohibited any participation in physical activity. The first experimental group trained 1 session per day; while the second one performed 2 sessions of training per day (both for 7 days). Training protocole included running on treadmill up to 6-8 kilometer per hours. After 3 minutes, participants run 1 minute up to 3 kilometer per hours as recovery and then the speed of their activity increased 2 kilometer per hours until exhaustion. For biochemical analysis, venous blood samples collected before training, after 1th, 4 th,7 th day of training, and finally 24 hours after the last session. The results were extracted by repeated analysis of variance (ANOVA) and LSD tests at the significant level of p
In both experimental groups, the activity of AST and ALP increased significantly after 1th, 4 th,7 th day of training (p≥0.05), while the AST levels of the experimental groups decreased to baseline after 24 hours recovery.
These results suggest that incremental training sessions (1 or 2 sessions per day) may increase serum ALT, AST and ALP activity, but these abnormal changes can modifiy by adequate recovery.
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