Abstract
Purpose: This study aims to: 1) Determine the anthropometric factors (height, arm length, foot length) that most determine the ability of men's volleyball jump service. 2) Knowing the biomotor factors (leg muscle power, abdominal muscle strength, arm and shoulder muscle power, eye-hand coordination, togok flexibility and kinesthetic perception) that most determine the ability of men's volleyball jump service. Material and methods. The population of this study were all male athletes of the Volleyball Student Activity with a total of 36 people. The approach taken in this study is a quantitative approach, using a confirmatory factor analysis design. Data were processed and analyzed using the Computerized Statistical Program with the SPSS (Statistical Product and Service Solutions) Version 22 system and using the Kaiser-Meyer-Olkin and Bartlett's Test. Results. Based on the results of the research and the results of the data analysis that has been carried out, the following conclusions are obtained: First, the anthropometric factor that is the most dominant in determining the ability of volleyball jump service for male athletes in the UNS student activity unit is the length of the feet with a value of 0.879. Second, the biomotor factor that most dominantly determines the ability of volleyball jump service for male athletes in the UNS student activity unit is leg muscle power with a value of 0.864. Conclusions. Anthropometric factors and biomotor factors that determine the ability of volleyball jump service to male athletes in the UNS student activity unit consist of seven factors, namely height, arm length, leg length, leg muscle power, abdominal muscle strength, arm muscle power and flexibility, togok.
Highlights
Introduction dominant anthropometric parts in itBy having ideal body proportions, you will be able to carryIn the volleyball game there are three types of service based on the position of the ball against the body including bottom service and top service [1], of the three types of service there are several types of service variation techniques [2]
Based on the results of the research and the results of the data analysis that has been carried out, the following conclusions are obtained: First, the anthropometric factor that is the most dominant in determining the ability of volleyball jump service for male athletes in the UNS student activity unit is the length of the feet with a value of 0.879
The biomotor factor that most dominantly determines the ability of volleyball jump service for male athletes in the UNS student activity unit is leg muscle power with a value of 0.864
Summary
Introduction dominant anthropometric parts in itBy having ideal body proportions, you will be able to carryIn the volleyball game there are three types of service based on the position of the ball against the body including bottom service and top service [1], of the three types of service there are several types of service variation techniques [2]. If you use the jump service prefix it takes about three to two steps behind the back line of service [7], this prefix is very useful for getting a good starting position for making jumps so as to get high jumps [8], with the right timing or timing, which is useful for hitting the ball hard and with the right time [9] This blow will produce a top spin and an inside spin, a server (the person who does the service) which has good anthropometric components and good biomotor abilities, which plays an important role in mastering the volleyball jump service technique [10]. This means, training in basic jump service techniques in volleyball games that are carried out systematically, continuously and programmatically, if not supported by the supporting factors, there will be no maximum jump service basic technical skills [12]
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