BETA
Chapter 1
The biology of muscle building
Chapter 2
The sleep laboratory
Chapter 3
Global traditions of recovery
Chapter 4
The nervous system's gear shift
Ch 4 · The nervous system's gear shift
esther Flip the slumber switch to discover why rest, not just training, builds your fitness.
esther Overtraining Syndrome
When we train through depletion and refuse to rest, The weary system stops responding to the stress.
esther The autonomic nervous system has two branches, sympathetic and parasympathetic, which control how your body handles stress and recovers.
esther Measuring heart rate variability helps athletes use rest and sleep to build fitness.
Fun Fact
Resting heart rate: Elite athletes often have resting heart rates below 40 beats per minute because their hearts are incredibly efficient.
Quiz
Which branch of the autonomic nervous system must be active for the body to repair tissues and digest nutrients?
Quiz
What does a high heart rate variability (HRV) typically indicate about an athlete's physical state?
Quiz
What is the medical term for the chronic state of physical and mental exhaustion caused by lack of recovery?