MartinNov 1, 201710 min readTraining and Heart Rate VariabilityIn previous articles we have explored the relationship between excessive stress, whether caused by training or other life factors, and...
MartinMay 12, 20176 min readThe MAF Method (Dr. Phil Maffetone)As a sprint athlete in the 1960s Maffetone had no interest in endurance training or racing, and maybe didn’t even suspect that such a...