As introduced in the preliminary study previously carried out, the spread of technology in sports provides a monitoring of objective activity, accurate and not invasive. This led to the creation of a technological instrument, Power Glove, which investigates specific aspects of sport performance. The aim of this study is to evaluate the difference of serve performances through a test, to establish its feasibility and to obtain information that will allow to determine the calibration of the final instrument, taking into account the metrological characteristics of a measuring instrument. The carried out test, considers the serve, one of the fundamentals of volleyball, which starts ay every action of the game. The study was conducted on a sample divided into two groups: group A composed of 12 female volleyball players aged 12-16 years; and group B composed of 10 female volleyball players aged 18-25 years. It is a controlled and designed clinical study method in which subjects are exposed to various tests of strength, speed and precision in an alternated or simultaneous and supervised manner.

Nowadays, recreational sports activities are focused on health and wellness aspects for a physiological study on the effects of the elite sport due to the spread of recreational sport, especially football. This work addresses the physical benefits originated from recreational five-aside football and aims at the perceptions about selfevaluation of the physical and the psychological data. It also proposes a questionnaire in a group of young men aged 23 to 29 who played amateur five-aside football for 8 weeks just 2-3 times a week. The requests basing on the overall research conclusions on the studies performed on recreational football (Kustrup et al., 2010). The most significant results showed that practicing amateur sports activities makes you feel better both physically and psychologically (respectively 87,3% e 93,3% of the answers) and it is less tiring and stressful than playing football agonistically (respectively 80% e 80% of the answers) or practicing strength training or interval running training. Furthermore, according to the data complex, it can be potentially satisfactory from the point of the view healthy and well-ness sport that can improve general well-being and it can prevent lethal diseases, such as cardiovascular diseases and obesity. In conclusion, it can be affirmed that recreational five-aside football can produce not only physical benefits, as Kustrup's article shows, but also significant psychological benefits, which makes you feel better and more relaxed.

Raiola G, Parisi F, Giugno Y, Di Tore PA. Video analysis applied to volleyball didactics to improve sport skills. J. Hum. Sport Exerc. Vol.8, No. Proc2, pp. S307-S313, 2013. The feedback method is increasingly used in learning new skills and improving performance. "Recent research, however, showed that the most objective and quantitative feedback is, theº greater its effect on performance". The video analysis, which is the analysis of sports performance by watching the video, is used primarily for use in the quantitative performance of athletes through the notational analysis. It may be useful to combine the quantitative and qualitative analysis of the single gesture for use in technical training in real time. Currently there are no specific studies on volleyball on the use of performance analysis during training. The scope of work is to carry out a preliminary study on the use of video analysis in volleyball recruiting quantitative and qualitative data to build a model to describe executive motor and propose a total athlete and analytically for each athletic ability. This training method is part of the planning of educational training to improve the performance of athletes. Using video analysis of technical movements of the attack, carried by four athletes in training, the category under 13 years old, which will be compared to a video-execution model of reference. The benchmarks are: Optimum preparation for the strike on the ball and angle of the body with the floor; Horizontal Speed and Step Length (left foot); 2 Next Steps (right-left), and their length, angle of the arms; Phase Out , hit the ball and reached the heights from knee and hand; fallout on the ground with both feet. The four athletes will be divided into two groups of two people: Both group A, the control group, than the B group, the experimental group, will be filmed at the beginning and end of the project, and every day in training, both groups following the same training program, for 30 meetings. Group A will not be provided feedback during the course of their performance, while group B will be offered every day, the video of the execution of the fundamental attack took place during the previous exercise. At the end of the research, comparison will be made between the beginning and end of video and educational activities between the control group and the experimental group for each training done, to verify the improvements, to note the differences between the groups. The differences in the comparison of results will contribute to the choice of this method in training and possibly deepen the issue in other ways.

“Five-a-side soccer”, also known as Futsal, originated in Uruguay in 1930. In South America it is known as futbol de salon, that is, indoor soccer. The official international denomination is Futsal which is coined from two words: futbol (soccer) and salon (a hall or covered place). In the Futsal, one of the most important variables to execute an effective action, it is the time needed by the athlete to complete his own movement (Nicoletti et al., 2007). Futsal is beneficial in developing motor skills unique to the technical characteristics of the game, such as the rules and the field of play for which the time to analyze, evaluate, elaborate, and execute is limited when compared to other team sports (Schmidt et al., 2000). Futsal is particularly adapted for children, ages 8-10 years, (Winter, in: Meinel et al., 1984) who are learning the specific techniques of play. For this reason, the Italian Soccer Federation (F.I.G.C.) has instituted futsal schools and has mandated Soccer 5 in its own basic programs. Furthermore, quality motor skills may be learned (Sanders et al., 2004 and Bandura, 1997) if they are included in the weekly instructional program. The purpose of the pilot study is to verify whether members of a sample are better at learning specific techniques (Menichelli, 2010), as compared to a control group, when the sample players watch and review videotaped actions or skills taken of the video recorded while they practice or video or a motor skills module. In the study protocol, 20 players practice twice a week for one year. But only 10 players view training videos before each practice. The two groups have the same technical characteristics (homogeneous). Each group is tested at the beginning, during, and at the end of the study on three techniques of the game, selected from fundamentals of play: 1. Control of the ball: oriented ball control with the bottom foot (called "stop by sole” or “sole control"); 2. Driving the ball: moving the ball with the sole; 3. Shooting: tip shoot. Two experts and the highly skilled sample player evaluate the videotape together. Statistical evaluation is done using multiple regression analysis of the curves of the two groups. Significant increases in the execution of the techniques of play should be found in the videotaped sample group and should lead to an in-depth study with a larger study sample. Eventually, positive findings of the hypothesis, would suggest video analysis to be included in training programs as an educational and evaluation tool

The basketball is a situational sport classified among activities laying on alternative aerobe and anaerobic processes, with an important participation of the muscular mass and an accentuated prevalence of the alactacid anaerobic process. The purpose of this work is to analyze and evaluate the correlations between the various variables of an anthropometric character and the differences in performance between the roles, testing a group of senior high-level basketball players, subdividing them according to their role within of the team. Data were collected by 40 basketball players (Senior elite), divided into four groups: Power Forward (n = 12; age = 24.5 + 1.4 y.), Pivot (n = 12; age 24.1 + 1.1 y.); Playmaker/Guard (n = 8; age = 24.4 + 1.3 y.), and Small Forward (n = 8; age = 23.5 + 1.2 y.). Morphological data were height, weight, body mass index (BMI), Abalakov test modified. The explosive strength was measured with the method of Bosco: squat jump (SJ), counter movement jump (CMJ) and CMJ with arms (CMJas). Jumping performance and of coordination was determined through the difference between the measurement on the technical action of the shot block with one hand (St) and the height with one stretched arm (AB1); then, the measurement of the technical action of the rebound at two hands (Rb) and the height with two stretched arms (AB2). The results of the anthropometric parameters showed significant differences in height (F = 4.75, p <0.006), height with a stretched arm AB1 (F = 3.60; p <0.02) and height with two stretched arms AB2 (F = 3.66; p <0.02). In the comparison by role we did not obtain any statistical significance regarding the Bosco test. Results of Abalakov test modified showed significant differences in St (F = 7.29; p<.001) and in Rb (F = 3,95; p <0.01). With the Bosco test the information obtained concerns the assessment of the athlete's jumping capacity not related to specific technical gestures; differently with the Abalakov Test, has provided precise indications on the elevation abilities connected to the technical gesture of the blocked shot and of the rebound. A high correlation was found between the results of the anthropometric parameters and those of the Abalakov test. In senior high-level basketball, the anthropometric profile of the players is directly related to specific variables