overtraining

stages

• stage 1: functional
• stage 2: sympathetic (fight or flight)
  • aka Basedow’s overtraining syndrome
  • irritable, restless
• stage 3: parasympathetic (rest and digest)
  • aka Addison’s overtraining syndrome

https://my.clevelandclinic.org/health/diseases/overtraining-syndrome https://philmaffetone.com/the-overtraining-syndrome/

grip strength as a measure of overall health and fitness

• https://philmaffetone.com/the-secret-of-grip-strength/
• dynamometer

heart rate variability