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The effect of acute glutamine supplementation along with intermittent exercise on Hsp70 and blood lactate response of club soccer players
Dr Sajad Karami, Dr Hamid Rajabi, Dr Majid Kashef, Dr Mohammad Ali Gharaat,
Volume 0, Issue 0 (11-2019)
Abstract
Introduction and purpose: The present study was conducted with the aim of investigating the effect of acute glutamine supplementation along with intermittent exercise on Hsp70 and blood lactate response of club football players. Methodology: 32 players of the Tehran Railway team were selected and randomly divided into four groups: control, supplement, supplement-sports activity, and sports-activity. Subjects participated in daily exercises before conducting the study, and only two complementary groups - sports activity and sports activity - performed the periodic protocol. Blood samples were taken at baseline, pre-test, post-test and 90 minutes after the test. The supplement and placebo were consumed in an amount of 0.5 g/kgBW and a volume of 5 ml/kgBW one hour before the periodic protocol. The interval protocol included 3 stages of 20-minute running with an intensity of 80% of the maximum heart rate and a 5-minute rest of walking between the stages. HSP72 and blood lactate levels were measured using ELISA and enzymatic methods, respectively. The data were analyzed using the analysis of variance test with repeated measures and the between-group factor at the P≤0.05 level. Findings: Glutamine supplement alone and together with exercise stimulate the response of HSP72 and the combination of supplement and exercise leads to a greater response of HSP72 and lactate changes did not play a role in this response. Discussion and conclusion: It seem that taking glutamine supplements in the long term creates more adaptations, which of course should be studied.
 
The strength of hip abductor and external rotator muscles and ACL rupture in male soccer players
Masomeh Taghikhani, , ,
Volume 11, Issue 6 (10-2013)
Abstract

The purpose of this study was to compare of hip abductor and external rotator
muscles strength between male soccer players with ACl rupture and healthy
male soccer players. 30 male participants (15 soccer players with ACL rupture
as sample group and 15 healthy soccer players as control group) participated in
this study. Hip abductor and external rotator muscles strength tests including
normalized isometric strength of hip abductor and hip external rotator muscles
were evaluated by dynamometer in both groups. Independent t-test was used to
compare datas between two groups.The results showed significant differences
in normalized isometric strength of hip abductor muscles (P=0.003) and hip
external rotator muscles (P=0.127). Regarding the findings of this study, there is
significant difference of hip muscles strength between male soccer players with
ACL rupture and healthy male soccer players .


Compare the effect of plyometric training pre and post maturity with soccer training on electromyographical index and soccer players performance
Mr Hamid Mahmodi, Dr Hamid Rajabi, Mr Mohsen Bapiran, Dr Pezhman Motamedi,
Volume 19, Issue 21 (9-2021)
Abstract

The purpose of this study was to compare the effect of plyometric training pre and post maturation period with soccer training on electromyographical index and soccer players performance. 30 students of soccer player's pre maturation period (weight 32.38±6.59 kg, age 10.35±0.59 years, and height 141±0.06cm) and post maturation period (weight 43.79±10.96 kg, age 15.43±0.72 years, and height 156.84±0.09 cm) were selected. Subjects in the experimental group were 15 students before and after maturity period. To evaluate the age of the indices such as height, age, dental and bone age (radiographic method) was used. Then, for homogeneous groups of index of biological age radiography was used by radiologists. Before and after 4 weeks of training,, functional tests of two 20 meter speed, agility, vertical jump and also Amplitude  for vastus lateralis muscle Were taken. The result by using  Paired t-test showed that in pre maturation group in the vertical jump, agility and 20 meters there was a significant difference (P=0.002,P=0.006,P=0.001) and the other variables there was no significant difference. In variations between the groups, independent t-test showed that only significant differences was found in the test 20 meter speed (P = 0.007) and in the other variables not significantly different. The results showed that plyometric training in the Pre maturation group compared to post maturation group were more effect and these results can help in the design training for premature age groups


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