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| Number of Proceedings: 604 | 
	
		
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		| 526 | 
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			The relationship between physical activity and Parents BMI with obesity in preschool children in Yazd. | 
		
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		Marzieh Sadat Azarniveh* , seysd alireza  Tavakoli Khormizi		 | 
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		| 527 | 
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			Explaining the effect of innovation culture on strategic entrepreneurship of experts of the Ministry of Sports and Youth of Iran | 
		
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		Marjan  Tootak* , Homayoun  Abbasi		 | 
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		| 528 | 
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			Doping-based image testing tools the way to find out the implicit attitude to doping | 
		
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		ali reza  Aghababa* , Maghsoud  Nabilpour, Seyed afrooz  mousavi		 | 
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		| 529 | 
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			The Instructions of the Islamic lifestyle in Physical Health during the Covid-19 Pandemic | 
		
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		amin  pournaghi* 		 | 
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		| 530 | 
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			the effect of observation on children’s mental rotation ability and other indicators of motor ability. | 
		
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		roya  ranjbar* 		 | 
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		| 531 | 
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			Effect of 8 weeks core stability training on the Swimming speed and function of the upper limbs in young female swimmers | 
		
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		Donya  Tahaei* , رز  فولادی		 | 
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		| 532 | 
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			The effect of Cawthorne-Cooksey exercises on postural stability in children with Down syndrome | 
		
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		Mohammadreza  Seyedi* , Nazanin  Shirangi, Jaleh  Bagherli		 | 
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		| 533 | 
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			The effect of Cawthorne-Cooksey exercises on lower extremity function in children with Down syndrome | 
		
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		Nazanin  Shirangi, Mohammadreza  Seyedi* , Jale  Bagherli		 | 
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		| 534 | 
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			Investigating the role of advertising via SMS and the Internet in attracting customers in private sport places in Mazandaran province | 
		
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		Mahdi  armandnia* , saeed  Amirnejad, zahra  Hosseini, Nasrollah  Mohammadi		 | 
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		| 535 | 
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			The Role of Sports Insurance in Compensating the Effects of Covid-19 in Sport. | 
		
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		amin  pournaghi* 		 | 
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		| 536 | 
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			Evaluating the performance of the executive factors of the in-school sports olympiad based on the Balanced Scorecard (BSC) model | 
		
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		Mahdi  armandnia* , saeed  amirnejad, غلامرضا  ملازاده گنجی		 | 
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		| 537 | 
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			The effect of plyometric exercises and it’s un-training on electromyographic evaluation and explosive power of leg muscles of elite volleyball players | 
		
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		mohsen  meftah* , mohammad  rashidi		 | 
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		| 538 | 
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			The Effect of exercise training with blood flow restriction on inflammatory cytokines in male athletes | 
		
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		farzane  sinapur* , Mahdieh  Melanouri Shamsi, Hamid  Aghaali Nejad, Masoud  Safari		 | 
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		| 539 | 
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			the analysis of the media distribution status of the selected Olympics | 
		
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		نرجس  سریاز* , farshad  tojari, mohamadreza  esmaili		 | 
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		| 540 | 
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			The effect of virtual reality games on the balance and function of the lower extremity of children with Down syndrome | 
		
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		Fatemeh  Mamashlou, Mohammadreza  Seyedi* , Jaleh  Bagherli		 | 
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		| 541 | 
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			Identifying and prioritizing the factors affecting the quantitative growth of athletes in land use Khorasan Razavi province | 
		
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		Masoud  Darabi, Mohammad  keshtidar* , Adel  Rahmanpour, Zohreh  Khosravi pour		 | 
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		| 542 | 
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			Effect of lower-body rehabilitative training on upper-body strength in elderly women | 
		
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		Mahsa  Saffari Aman* , Mahta  Sardroodian, Mahdi  Hosseinzadeh, Nader  Nokhodchi		 | 
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		| 543 | 
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			Prioritizing the factors affecting the quality of E-learning from the perspective of physical education students | 
		
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		Farzaneh  Davari* , Leila  Moslehi		 | 
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		| 544 | 
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			The effect of gender and level of physical activity on self-esteem and body satisfaction in university students: a comparative study | 
		
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		Marzieh Sadat Azarniveh* , seysd alireza  Tavakoli Khormizi		 | 
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  | 
		| 545 | 
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			Core isometric endurance is not different between soccer players with and without functional ankle instability | 
		
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		Hamed  Abbasi* , Mohammad Hossein  Alizadeh, Hassan  Daneshmandi, Amirhossein  Barati		 | 
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  | 
		| 546 | 
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			The Study Of Lockdown And Sedentarism Due To (Covid-19) Pandemic In Children And Adolescent With Autism Spectrum Disorder | 
		
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		Sarvin  Salar* , Hassan  Daneshmandi		 | 
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  | 
		| 547 | 
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			Analyzing effective factors on marketing development of student sport | 
		
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		Abbas  kamalvand* , mostafa  afshari		 | 
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  | 
		| 548 | 
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			nvestigating information technology in sports creativity among sports organizations | 
		
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		Farzaneh  Davari* , Fatemeh  Ghavami Komle		 | 
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		| 549 | 
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			Investigating the contextual, environmental factors and capacity building strategies of sports in the Iran | 
		
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		Shahrouz  Farajzadeh* , seyyed mohammad  kashef, Mohsen  Behnam		 | 
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  | 
		| 550 | 
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			The Effect of Short-Term Use of C4 Pump Supplement on Body water, Proteins and Minerals of Professional Athletes | 
		
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		Azadeh  Aghazadeh* , Hamid  Abbasi		 | 
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