Some players on the high end of cardiac output will spend 30-40 minutes above 90% of their max HR (about 80% of their total time on the pitch). ![]() So, nearly half of an entire game, halftime and quarter breaks included, is spent above 80% of their maxHR. “They spend 18-25% of their time between 80-90% of their maxHR. On average, our field players spend 20-25% of their time above 90% of their maxHR during a 60-minute game (15 minute quarters, plus 10-minute halftime and 2 minutes between quarters),” said Shedd. “The amount of time spent in each HR zone varies greatly depending on position, game context, and each individual. Coaches can interpret the data and, depending on expectations relevant to individual players, position groups or desired outcomes, identify players who may be being pushed too hard, or could push harder. This helps highlight the intensity of a particular training session or game. When using Firstbeat Sports, real-time heart rate data is categorized into one of five different ‘HR Zones’ depending on their maximum HR (maxHR). We use this as a baseline during games to help understand each individual player’s live cardiac output.” HR Zones “We have assessed each player’s average TRIMP-per-quarter. It does not decrease during recovery breaks. It accumulates continuously, and the rate of accumulation depends on the intensity of a drill/session/game. TRIMP quantifies Training Load in a single number. We also use it to help paint the overall picture of our athletes’ readiness.” TRIMP (Training Impulse) “While traveling, we do the QRT every day in our hotel so that we can use the data retrospectively and understand how the athletes adjust to travel and time zone changes. “We use the QRT test 3 days-a-week (Monday/Wednesday/Friday) while at home in a training environment to simply ensure our players are in an optimal state for training,” explained Shedd. It provides coaches with information that can immediately inform training decisions and help track specific recovery trends. ![]() The test can be conducted virtually anywhere and takes just three minutes. The Firstbeat Quick Recovery Test allows a flexible approach to monitoring the recovery of individual athletes and the team as a whole. We caught up with Nick Shedd, the international side’s Strength and Conditioning Coach, to find out just how the US Women’s team is using Firstbeat and get an insight into what results they are seeing when analyzing a number of the metrics available. As official heartbeat analytics partner, Firstbeat Sports provides accurate data on a range of metrics for the 12th ranked nation in the world, allowing medical and performance staff to effectively monitor athletes throughout the calendar year. The USA Women’s national field hockey team have been utilizing Firstbeat Sports technology since the summer of 2017 to help inform training decisions, reduce injury risk and optimize player performance.
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