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Articles by Aznan Lelo
Total Records ( 2 ) for Aznan Lelo
  Novita Sari Harahap , Aznan Lelo , Ambrosius Purba and Diky Setya Diningrat
  Background and Objective: Explosive power movement in a 200 m race will potentially yield free radicals. The energy source of a 200 m runner, based on his movement, comes from anaerobic predominant metabolism, which also potentially yield high lactic acid. The increase in lactic acid causes the decrease in pH which tends to suffer from acidosis so that the establishment of ATP is hampered and cause pain in muscles. This condition can influence the performance of the 200 m runners. The objective of the research was to find out the influence of combination of weight training with sport massage, on the change in glutathione peroxides (GPX) and lactic acid elimination in the 200 m runners. Materials and Methods: The research used experimental method with pre and post test design. The research subjects were 20 students of Faculty of Sports Science, Medan State University, who had not been trained as 200 m runners and had fulfilled the inclusive and exclusive criteria, taken by using random sampling technique. Students were divided into two groups: WT+SM (Combination of weight training with sport massage) group and WT-SM (weight training without sport massage). The treatment was performed in 8 weeks with the frequency of exercise 3 times a week. Results: The research showed that there was significant influence of the treatment (p<0.05) in the pre and post treatment in the WT+SM group and in the WT-SM group on the mean value of increase in glutathione peroxides content and the mean value of decrease in lactic acid content in 200 m runners. There was no significant difference (p>0.05) of the increase in glutathione peroxides in 200 m runners in the post treatment done by WT+SM group and by WT-SM group. There was significant difference (p<0.5) in the mean value of decrease in lactic acid content in the 200 m runners in the post treatment done by WT+SM group and by WT-SM group. Conclusion: Combination weight training with sport massage was better in increasing glutathione peroxides content and decreasing lactic acid content in the 200 m runners than that of only weight training.
  Adhayani Lubis , Aznan Lelo , Dina Keumala Sari and Diah S. Utami
  Background and Objectives: Cholecalciferol plays an important role in the development of brain function and neuropsychiatric disorders, especially psychological disorders. The objective of this study was to observe the differencesin25(OH)D serum levels and Brief Psychiatric Rating Scale (BPRS) scores in individuals who use amphetamine-type stimulants (ATSs) after receiving supplementation with cholecalciferol 1000 IU per day. Materials and Methods: This study had a pre and post-test design with consecutive sampling. Cholecalciferol 1000 IU per day was given to 25 ATS users (intervention/I group), while the other 25 individuals, who composed the control group (C group), did not receive any cholecalciferol supplementation for 42 days. On laboratory tests, the serum level of 25(OH)D is categorized as normal if it is within 54-90 ng mL1. Psychosis was evaluated with the BPRS questionnaire. Results: There was a significant difference in the serum level of 25(OH)D after the intervention between the groups (I group: 23.37±4.20; C group: 20.33±4.04; p = 0.012) and the increase in the serum level of 25(OH)D was greater in the I group than that of the C group. The result also showed a significant difference in BPRS score after the intervention between the groups [I group: 25(24-27); C group: 27(26-29); p<0.001]. The decrease in the BPRS score in the I group was larger than that in the C group. Conclusion: The administration of cholecalciferol 1000 IU per day increased the 25(OH)D serum level and cholecalciferol supplementation in subjects using ATSs led to a significant reduction in the BPRS score.
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