HOUSTON, Texas (KTRK) -- In the NFL, there are numbers nearly everywhere, whether it's on jerseys, the scoreboard or down markers. But, in this age of COVID-19, there's one magic number: the cycle ...
One of the best measures of running fitness is lactate threshold (LT), which is the running speed or heart rate at which lactate — an intermediate product of aerobic metabolism in the muscles — begins ...
Recently, low-intensity training, specifically training below the aerobic threshold, has continued to rise in popularity. How can you quickly and easily estimate your aerobic threshold, without ...