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Purpose: The development of the capital market of sports goods is important because it can bring many benefits for developing countries to attract foreign capital to the host country and as a result increase investment, create job opportunities and transfer technology to the host country and play an important role in strengthen their economies and societies. The purpose of this research was to construct and validate the questionnaire for the development of the sports capital goods market. Method: For this purpose, 150 users of sports capital goods were selected as a purposive sampling and completed the questionnaire made by the researcher for the development of the sports capital goods market. This research is exploratory and is a type of correlational study. The form and content validity of the research tool was confirmed by a group of expert professors and its structural validity was confirmed by factor analysis based on the structural equation model. Results: Based on exploratory factor analysis with orthogonal rotation, 36 items were placed in eight factors, which accounted for 61.62% of the variance of sustainable social development. The results of confirmatory factor analysis and Cronbach's alpha coefficients supported the eight-factor structure of 36 questions and confirmed its validity and reliability. Conclusion: The results of this research can be helpful for teachers, managers, officials and experts in this field in the development of the sports capital goods market by specifying the role of each of the mentioned items for more attention. [ABSTRACT FROM AUTHOR]

Purpose: Coaching is not necessarily among the world's most demanding jobs; however, this does not mean that anybody can be suitable to take the position without enjoying special skill, ability, knowledge, insight, qualification, and merit. The aim of this research is to identify the factors influential in the selection of the national basketball team coaches. Methods: This research is qualitative in nature and the method used for its conduction is based on a grounded theory with a systematic approach. The participants (n=28) in this study represented basketball experts, who were selected on purposive sampling with whom to reach saturation of data. The instrument for collection of data was the semi-structured interview The open, axial, and selective coding were used to analyze the data. To ensure that this research is discriminating, the researchers used the indices of credibility, transferability, trustworthiness, and confirmability. Results: This research showed 643 initial concepts, 142 secondary concepts, and 20 sub-categories, classified into the causative, contextual, intervening conditions, strategies and consequences. Conclusion: Reflecting on results of this research, it can be inferred that optimal use of workforce resources in the basketball sports, especially using the coaches, will not be possible in our endeavors to meet the goals without observing the exigencies of their selection. Therefore, the officials in charge of selecting national basketball team coaches are suggested to consider the factors identified in this research and put them on their agenda as the criteria for their selection. On the other hand, executive bodies also should observe and set forth several factors to address the goal. [ABSTRACT FROM AUTHOR]

In some team sports such as soccer which is interval, athletes need to prepare themselves immediately for the next activity. Therefore it is very important to have enough information on characteristics of recovery phase and quick recovery to the first situation and to have the minimum speed reduction. The purpose of this study was to determine the relationship between aerobic power and repeated sprint ability (RSA or decrement index) in young soccer players in three different levels of Vo2max. Methods: For this reason 41 volunteers were divided in to three groups with different levels of Vo2max ml.kg-1.min-1 low 37.22 ± 2.3 (n= 18, age 17.1 ± 0.9 year, height 170.6 ± 0.76 cm, weight 67.1 ± 5.05 kg) medium 46.46± 1.97 ml.kg-1.min-1 (n= 13, age 17.6± 0.76 year, height 173.8 ± 4.84 cm, weight 65.9 ± 4.92 kg) and high 55.63 ± 1.52 ml.kg-1.min-1 (n=10, age 17.4 ±0.69 year, height 177 ± 3.23 cm, weight 71.4 ± 3.94 kg). To determine Vo2max a graded exercise test until volitional exhaustion on treadmill was used, and also RAST was used to measure RSA. The lactate accumulation was measured before and after RSA protocol. Pearson's correlation was used to determine the correlation between the aerobic power and RSA. The results indicated that there are significant relationship between Vo2max and decremental index in low Vo2max group (r= 0.86, p= 0.001), no significant relationship medium Vo2max group (r= 0.14, p= 0.63) and negative significant relationship in high Vo2max group (r= - 0.64, p= 0.04). There are no significant relationship between Lactate accumulation and decremental index in medium (r= 0.005, p= 0.98) and high Vo2max groups (r=0.27, p= 0.45). Discussion: It is possible that the recovery of inter muscular resources relates to aerobic ability, but there are other factors effective in RSA rather than Vo2max and Lactate accumulation. The current study showed a normal curved relationship between Vo2max and RSA. [ABSTRACT FROM AUTHOR]