جستجوی مقالات مرتبط با کلیدواژه "video analysis" در نشریات گروه "تربیت بدنی"

Technical and tactical performance analysis of athletes is always considered to improve their performance and other athletes. The purpose of this study was to evaluate the technical and tactical performance profile of elite karate players in different weight groups.

In this descriptive study, the functional profile of the winning and losing karate players in the league was evaluated. Data were collected using Kinovea software. Excel software was used for data analysis. The studied variables were attack tactics, counterattack, upper and lower limbs techniques and combined techniques.

The frequency of attacks was close at different weights. But the winners’ attacks were more effective. The use of single-handed techniques was more common. The winners gained the most from single-handed techniques. Of the total leg kicks by the winners, 10 percent resulted in points.

According to the findings, there is a need for specific training programs for single hand techniques and counterattack tactics in further training. Simulating different periods in competition and working on specific tactics will help develop karate athletes.

The purpose of this study was to compare the prevalence of injuries in the Iranian Football Premier League players before and after the outbreak of Coronavirus (COVID-19) through video analysis in the 2019-2020 season. The types of sports injuries were divided into acute and chronic categories based on the mechanism, and the injuries were analyzed by reviewing 143 videos from 239 matches. Prevalence, time of onset and affected area were recorded in a special sheet. According to the results, 219 injuries occurred before the outbreak of coronavirus and 276 injuries occurred after the outbreak of coronavirus. In the period before and after the outbreak of Corona virus, the lower limbs of the players (58/7%) were damaged more than other parts of their bodies. Also, the highest rate of injury occurred after the outbreak of coronavirus than before in the last minutes of the game (24/3%). Research Findings showed that the prevalence of injuries in Iranian Premier League football players in the post-outbreak period of Coronavirus increased due to home quarantine and closure of matches.

The purpose of this study was to Video analysis of sports injuries in the Iranian Football Premier League before and after the outbreak of the Corona virus in the 2019-2020 season. The video of 143 matches out of 239 matches of these games was reviewed by the researcher and the prevalence of injury, the mechanism of injury, the position of the injured player and the area of injury were recorded. According to the results, 219 injuries occurred before the outbreak of coronavirus and 276 injuries occurred after the outbreak of coronavirus. Findings showed that despite the significant increase in the amount of damage in the corona period compared to the previous period of the corona, there was no significant difference in the mechanism of injury, the area of injury and the position of the injured player, before and after the corona virus outbreak.