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Abbas Keyhanian, Dr Khosro Ebrahim, Dr Hamid Rajabi, Dr Seyed Mohammad Marandi,
Volume 13, Issue 9 (4-2015)

The aim of this study was to Compare the effect of resistance training with active and passive rest on aerobic
and anaerobic fitness in soccer players. For this purpose 16 players of Foolad Mobarakeh Sepahan club,
accidentally were divided into rest and active group (Height 177.78±6.68 cm, Weight 64.88±7.97 kg, age
18.22±0.83 years ,and percent fat 20.47±1.8) and rest passive group(Height 178.57±6.99 cm, Weight 64±
6.6kg, age 18±0.81 years ,and percent fat 20.05±1.7). The tests were performed in this order: maximal oxygen
consumption, maximal strength, Tmax, muscular endurance, Hoff and RAST test in the pre and post test. The
exercises were done for 8 weeks and twice week with 10 exercises of 30 to 50 percent of maximal strength
with this difference that the active rest group performed 3 sets of 20 repetitions exercise in 30 seconds that rest
interval between 30 seconds was completed with 2 sets of 10 repetitions exercise in 30 second. The passive
group performed 4 sets of 20 repetitions exercise in 30 seconds that rest interval between 30 seconds was
completed with 3 sets passive rest. After determining the normality by Kolmogorov-Smirnov test and
homogenous variance test, independent and dependent t-tests with a significant level of α ≥ 0.05 were used.
The results indicate that after the training period, a significant difference was found in all variables exceptfatigue index in active rest group. But in passive rest group there were a significant difference in variables AT,
vVo2max, Tmax, performance of Hoff test, bench press muscular endurance and leg press strength from pre
test to post test. The results between groups indicated that there was a significant difference between two
groups in Vo2max, Tmax, AT, vVo2max, leg press muscular endurance, and mean power in benefits of active
rest group. Finally, the results showed that the resistance training with active rest causes improvements in
aerobic and anaerobic fitness of soccer players in comparison to resistance training with passive.

Mr Mojtaba Sadeghi, Dr Hamid Rajabi, Dr Farzad Nazem,
Volume 21, Issue 25 (9-2023)

The purpose of this study was determine the effect of upper body plyometric training on anaerobic power and record of 25 meters front crawl performance in 10 years old swimmer boys. 16 swimmer boys chosen voluntarily (The mean age was 9.9 ± 0.7 years ، weight 45.9 ±9 kg , Height 149.8 ± 5 cm، BMI  is 19.20 ± 3 Kg / m 2  ) And Subjects divided into two groups of training (n=8) and control(n=8).Before and after the implementation of the protocol investigate test 25 meters front crawl performance  at the distance 10, 20 and 25  metrs  and the number of hand strocke to check the performance of the swimming also anaerobic hand wingiting test function was evaluated. To analyze data, used the covariance test.The results showed six weeks upper body plyometric training Performance Indicators an hands Front crawl Including Peak power increased Significantly (18%) but the average power increase (7%) was not significant (p>0.05). Also, Swimming performance at of 10 meters) 8% (,10 to 20)6%( and 25 meters distance( 3/80%) growth in compare to control group that was significant(p <0.05) As well as in the number of hand strocke, Plyometric training group although had growth in swim 10 meters (11%), 10-20 meters (7.5%) and in 25 meters distance (5.33%) but the isnt significance (p>0.05). results indicate that six week upper body plyometric traning to an increase and improvement in the measured parameters, and can be used as a complementary training method in young swimmers.

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