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  1 - Acute and Continuous Effects of Caffeine Consumption with Anaerobic Training on Anaerobic Performance, Body Composition and Serum Lactate Levels in Active Men
  Hossein  Nikroo Kardokh  Esmaeili Zahra  Koohestani Sini Mohammad-Ali Kohanpour Mohammad Reza Dehkhoda Dehkhoda Saeed  Rahmaty Sara Naeimi
  the purpose of this study was to compare acute and continuous effects of caffeine consumption with a four-week anaerobic training on anaerobic performance, serum lactate levels and body composition values in active men. The study design was a quasi- experimenta More

  the purpose of this study was to compare acute and continuous effects of caffeine consumption with a four-week anaerobic training on anaerobic performance, serum lactate levels and body composition values in active men. The study design was a quasi- experimental one. Experimental and control groups were compared in the phases of pre-test and two post- tests. Thirty-two active male students performed a 400m-run and blood samples were collected 2 minutes later. Next day, Wingate test was conducted to assess anaerobic power. Then, all subjects were randomly divided into 2 groups: caffeine consumption (Experimental group) and placebo (Control group), performing a 4-week anaerobic exercise. Finally, blood samples have been collected like before; then, each group was divided into 2 subgroups (caffeine or placebo consumption for one day) and blood samples have been collected after a 400m-run again. Subjects also consumed either caffeine or placebo at a dose of 5 mg/kg of body weight. T-tests were used to analyze data, at a significance level of P<0.05. Four weeks Anaerobic training with and without caffeine consumption decreased the time of 400m-run and elevated serum lactate levels (p=0.001) (higher differences were observed in caffeine group), but had no significant effect on Wingate test results. Weight value only increased in Experimental group. Acute consumption of caffeine in placebo group also decreased the time of 400m-run and elevated lactate levels (p=0.001). Acute and continuous consumption of caffeine along with anaerobic exercise improved anaerobic performance; while increased serum lactate levels in active men. Manuscript profile
• Open Access Article
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  2 - The Effect of Water Exercise on Pain and Disability in Patients with Non-Specific Chronic Back Pain and Its Relationship with Changes in Inflammatory Factors
  Mohammad-Ali Kohanpour Saeideh Najd Monireh khademi Sirous  Farsi
  the aim of this study was to investigate the effect of exercise in water on pain and the disability of patients with non-specific chronic back pain and its relationship with changes in inflammatory factors. The statistical sample of the research included 20 women su More

  the aim of this study was to investigate the effect of exercise in water on pain and the disability of patients with non-specific chronic back pain and its relationship with changes in inflammatory factors. The statistical sample of the research included 20 women suffering from non-specific chronic back pain purposefully selected and randomly assigned to three groups: exercise in water and control (10 people in each group). The exercise group participated in a course of 8-week program, while the control group received no intervention and had their normal routine activities. 48 hours before and 48 hours after the intervention, pain and disability and serum levels of CRP and TNF-α were measured. In order to examine and compare the changes of the variables, mixed analysis of variance was used. The results showed that pain and disability as well as serum levels of CRP and TNF-α in the training group were significantly reduced compared to the control group (P<0.05). Also, the results indicated that there was a positive significant relationship between all the variables (P<0.05). It seems that eight weeks of training in water leads to improvement of pain and disability in patients with non-specific chronic back pain. In the meantime, the reduction of inflammation caused by these exercises probably plays a role. However, we need more studies in this field. Manuscript profile