Skyler Tanner Explains the Impact of Cardio (Aerobic Exercise) on the Heart | HITuni

Skyler explains that whereas heart rate during High Intensity Training tends to plateau at around 60% of maximum, the heart responds to sustained aerobic activity by increasing heart rate beyond this level when needed to match intensity.

Skyler Tanner is an exercise physiologist based in Austin, Texas where he operates Smart Strength, a HIT-focused, evidence-based, strength training studio. Skyler also regularly brings a fascinating perspective to all things exercise, through insights on his blog.

HITuni specializes in delivering online certification courses in High Intensity Training and Resistance Exercise.

[Dan-jopy]

I wonder to what extent these negative adaptations (LVH, tachycardia etc) are just chronic electrolyte imblance? Most endurance athletes based on sweat loss ought to be consuming 20g or so of salt a day to replace what they actually lose, or even 30-40g if racing in 30+ heat, but few if any do. The stress on their kidneys of trying to retain enough sodium and draw it from the bones etc would cause both of those issues...