ANALYSIS OF ONLINE TESTING SYSTEMS FOR SPORTS AND FITNESS
Based on the analysis of online testing systems for sports and fitness, it was revealed that there are a large number of online applications and fitness trackers. At the same time, only the Polar Flow online application has a wide range of studied indicators, which can analyze the following indicators: heart rate, calories, duration of training, maximum oxygen consumption, maximum aerobic capacity, pace, speed, distance, muscle load, power, maximum height, ascent and descent in meters/feet. Most online applications only measure physical activity indicators such as distance, speed, heart rate, and time, which allow you to adjust the training process. The list of the most popular apps include: RunKeeper, Adidas Running, Strava, Nike Run Club. Especially popular are online testing systems with entering the values of indicators directly by the user in the personal account, then processing them and generating a test report.