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Mr. Amirali Jafarnezhadgero, Ms. Arezoo Madahi, Mr. Milad Piran Hamlabadi,
Volume 0, Issue 0 (11-2019)

Background and Aims: The surface quality and type are an important factor that may influence the risk of sustaining injuries during running. The aim of the present study was to compare forces excreted on the foot while running on the ground and artificial turf in people with pronated and supinated feet.
Materials and Methods: The statistical population of the present study consisted of healthy men with pronated and supinated feet in Ardabil province. A statistical sample of 30 people aged 20-25 years was selected by available sampling and participated in the present study. Statistical samples were divided into three groups. There were 10 patients in the pronated foot group, 10 people in the supinated foot group and the third group of 10 people as the control group. The navicular drop test was used to measure foot type. A Bertec force plate was used to record ground reaction forces while running on ground and artificial turf at constant speed (about 3.2 m/s). The ground reaction forces in the vertical (Fz), anterior-posterior (Fy) and medio-lateral (Fx) directions were recorded during running.
Results: The results revealed greater medio-lateral ground reaction force at the heel contact in males with pronated feet while running on the ground than that artificial grass. In addition, the time to reach the peak of the vertical component at heel contact during running on grass was greater compared to the ground.
Conclusion: The results showed that the use of artificial turf can improve the risk factors for injury in people with pronated and supinated feet.
Abdolreza Kazemi, Fatemeh Khajepor, Alireza Sharifabadi, Mahdi Madahi,
Volume 18, Issue 20 (11-2020)

Due to the positive affect of the training on the improvement of MS, "the effect of the comprehensive training on neurotrophin- 4/5 and other variables in women with MS" was investigated. Experimental groups (A, B, and C) performed their intervention. Based on the level of disability, different training was used. Control groups (A, B, and C) received only stretch training. At first, all pre-tests were performed and then the experimental groups performed their exercises during 12 weeks. At the end, depended variables were measured and ANCOVA was used. According to the results, showed that rehabilitation protocol has no effect on the levels of neurotrophin 4/5 in MS patients at levels A and C (P=0.504 and P=0.083) but significant increase observed in B level (P=0.010). The results also showed that at level A: BMI, fat percentage, speed and VO2max, and at level B: weight, BMI, fat percentage, endurance, dynamic balance, waist circumference, hip circumference, WHR and VO2max had a significant improvement. On the other hand, at level C, only BMI, fat percentage and VO2max were significantly improved. These results show that rehabilitation exercises have a positive effect on these variables and can increase the quality of life in these patients.

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