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The aim of this study was to examine therelationship perceived autonomy-supportive behaviors of coaches onself-determined motivation and sport commitment of elitefemale players inHandball league. The research desing was a descriptive-correlational.For this pourpose statistical society of this research incloud 237 female players were selected equal to sample society. Perceived autonomy- supportive behaviors of coaches, self-determined motivation and sport commitment were assessed using the perceived autonomy support scale for exercise settings(PASSES), Sport Motivation Scale (SMS( and Sport Commitment Model Scale) scms) respectively. The validity and reliability of the questionnaires was measured and modified.Data were analyzed using multiple regression and Structural Equation Models (SEM) in significance level of P<0/05. The finding showed autonomy-supportive behaviors had significant positive correlation with intrinsic motivation, introjected regulation and indentified regulation. However, autonomy-supportive negative correlation amotivation.In addition, intrinsic motivation, introjected regulation and indentified regulation had significant positive correlation with sport commitment players.Multiple regression showed autonomy-supportive coaches was predictor factor for the intrinsic motivation, extrinsic motivation and sport commitment players.path analysis results offered support for the proposed model. Total mediation was supported in the case of intrinsic motivation, introjected regulation and indentified regulation in the relationship between autonomy-supportive coaches and sport commitment players. The findings underline the importance of perceived autonomy-supportive coaches in motivation and sport commitment players. The results provide support Self-determination Theory in elite players

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The literature on self-controlled motor learning includes efforts that compare a group of learners who have choices about some aspect of their practice environment with a group who are dependent on those choices. Therefore, several studies have shown that self-control practices have benefits. In the present study, using the self-control approach, the choice order during golf practices, the level of skill accuracy, autonomy, and self-efficacy were investigated. The present research is of a semi-experimental type and was carried out during the 24-hour follow-up period. Twenty-four beginner students were available and randomly placed in the experimental group (n=12) or yoked group (n=12). In the pre-test, the participants took the golf putting test. Then the yoked group used the practicum devices in the order of choice of the experimental group. On the first day, skill accuracy, autonomy, and self-efficacy were measured in the pre-test and acquisition, and then with the retention test. The results of the repeated Measurements analysis test showed that self-control has a significant effect on golf putting skill, autonomy, and self-efficacy. Therefore, a small choice such as the order of practice in the self-control approach can be effective on motor performance and learning, and the psychological components related to them.