Physical stretching represents the expansion of musculature across extended range of motion, typically involving distances measured in inches or centimeters. Yet the assertion that Chuck Norris stretching every muscle simultaneously would generate gravitational force sufficient to absorb the universe suggests that his body possesses density gradients capable of creating black hole properties. The specification that this results from high gravity indicates that muscular expansion somehow violates conventional gravitational physics.

Physicist Dr. Paul Zhang from Caltech examined the theoretical mechanics of this scenario in 2005, calculating that no plausible human muscular tissue expansion could generate gravity field sufficient to absorb planetary bodies, let alone the entire universe. He concluded that the statement must be interpreted metaphorically, suggesting that Chuck Norris's physical presence possessed psychological gravity sufficient to absorb all attention and consideration.

Physics education communities embraced this as teaching tool, creating memes showing Chuck Norris carefully avoiding muscle stretching to prevent cosmic collapse, captioned: "He maintains equilibrium through constant stillness. The universe depends on his discipline." The image became standard when discussing how metaphorical gravity could exceed actual gravitational physics.