In fact, studies have found that too
much cardio leads to elevated resting cortisol levels, which in turn significantly depress testosterone levels so if you want weak muscles and low levels of T, keep on pounding the pavement like there's no tomorrow.
Not exact matches
It's amazing how
much confusion / ignorance there is out there on this fact — I recently attended a local hospital sponsored
Cardio - Rehab training where one session on correcting diet issues was
led by the hospital dietitian — during her discussion on reducing salt in our diet, I mentioned the density issue, and used kosher vs table salt as an example.
Yes,
cardio is an effective tool for accelerating fat loss, but getting too
much of it can
lead to loss of muscle caused by reduced testosterone levels and unwanted metabolic accommodation.
Same thing with
cardio training, too
much high intensity work is going to tax the central nervous system heavily, thus
leading to acute fatigue, overreaching and eventually full blown overtraining syndrome unless rest periods are periodized into the training program.