观察不同信息对学习篮球跳投的影响

IF 0.9 Q4 SPORT SCIENCES Acta Gymnica Pub Date : 2019-12-31 DOI:10.5507/ag.2019.015
S. Rafiee, A. Dana
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引用次数: 1

摘要

背景:绝对信息和相对信息在观察运动学习中可能有不同的作用。目的:探讨观察不同信息对篮球跳投学习的影响。方法:为此,30名参与者被纳入研究,并根据他们观察到的信息分为三组(全身、手臂和手腕)。全身组观察与身体所有部位有关的信息,手臂组观察与投掷臂有关的信息,手腕组观察与投掷手腕有关的信息。所有信息都以点光格式呈现。在数据采集过程中,参与者进行了30次试验,在第一次试验前观察5次,在其余试验前观察1次。24小时后,进行10次留置试验。保留后,进入再习得期,各组以与习得期相似的顺序观察全身信息,然后进行10次试验。获得准确性、视觉搜索(眼睛注视)和运动学数据(肢体内协调变异性)。结果:两组间测量准确度无差异。运动学数据(肢体内协调)结果显示,全身组和手臂组的表现比手腕组更接近模型。视觉搜索数据显示,所有小组都更关注投掷臂,而不是身体的其他部位。结论:这些结果表明,有限的相对信息对投掷动作的学习更有用。
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The effect of observing different information on learning the basketball jump shot
Background: Absolute and relative information may have different roles during motor learning through observation.Objective: This study aimed to address the effect of observing different information on the learning of the basketball jump shot. Methods: For this purpose, 30 participants were included in the study and divided into three groups (Full Body, Arm, and Wrist) according to the information they observed. Full Body group observed information relating to all body parts, Arm group observed information relating to the throwing arm, and the Wrist group observed the information relating to the throwing wrist. All information was presented in the point light format. During data acquisition, participants performed 30 trials which were observed in the model 5 times before the first trial and once before the remaining trials. Twenty-four hours later, 10 trials were performed as a retention test. After retention, there was a re-acquisition period in which all groups observed full-body information in an order similar to the acquisition period and then performed 10 trials. Accuracy, visual search (eye fixations), and kinematics data (intra-limb coordination variability) were acquired. Results: No between-group difference existed in the accuracy measurement. Results of the kinematics data (intra-limb coordination) showed that Full Body and Arm groups performed more like the model than Wrist group. Visual search data showed that all groups were fixed more on the throwing arm than other parts of the body. Conclusions: These results showed that restricted relative information can be more useful for learning a throwing action.
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来源期刊
Acta Gymnica
Acta Gymnica SPORT SCIENCES-
CiteScore
2.00
自引率
0.00%
发文量
7
审稿时长
12 weeks
期刊介绍: The journal "Acta Gymnica" (ISSN 2336-4912 (Print); ISSN 2336-4920 (On-line)), published formerly as "Acta Universitatis Palackianae Olomucensis. Gymnica" (ISSN 1212-1185 (Print); ISSN 1213-8312 (On-line)), focuses on presenting results of research studies and theoretical studies from the field of kinanthropology. The scope of the journal covers topics related to biomechanics, exercise physiology, physiotherapy, somatometry, sports psychology, sports training, physical education, public health, etc. The journal also welcomes submissions that present results of interdisciplinary research.
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