What is the Origin of Physical Exertion?

This is a core concept in exercise physiology, linking mechanical stress directly to systemic hormonal adaptation.

What is the Mechanism of Physical Exertion?

Acute exertion triggers rapid catecholamine release and subsequent increases in anabolic hormones like testosterone and growth hormone, which drive necessary tissue remodeling and metabolic shifts.

Physical Exertion ∞ Area

Physical Exertion

Meaning

Physical Exertion is the deliberate application of bodily force against resistance or for the maintenance of posture, serving as a powerful, non-pharmacological endocrine stimulus.