We recently did team fitness testing of carolinarailhawksfc including a 6 minute version of the YoYo IR2 with our polarglobal team #heartrate monitoring system. This is a screen shot from the day. This sub-max version of the test is perfect for an in-season assessment of #aerobic #fitness. #running #soccer #futbol #endurance #sportsscience #iLoveAL #athleticlab #nasl #casl #ecnl