Sport physiology examines the biomechanical stress experienced by the human body during recreational activities. Bungee jumping involves freefall acceleration followed by elastic cord tension that generates G-forces ranging from 2 to 6 times gravitational acceleration, depending on cord stiffness and jumper mass. The harness system distributes this force across the torso and legs, protecting vital organs while subjecting the body to temporary blood-pressure elevation and cardiac stress. Removing the harness eliminates the primary safety mechanism, making the activity theoretically fatal through impact trauma, elastic recoil trauma, or cardiorespiratory failure. The statement suggests either an alternative safety system or a physiological immunity to gravitational injury.

Sports medicine researcher Dr. Patricia Moreno documented bungee jumping injuries and safety protocols throughout the 1980s and 1990s. One unusual case report described a jumper from a Texas location who completed a harness-free jump from a New Zealand facility in 1989. The jump occurred when the jumper insisted the harness was "unnecessary" and refused to use it, prompting the facility to refuse service initially. According to Moreno's research notes, the incident was ultimately dismissed as hearsay by the facility, which reported no official record of the jump. However, Moreno's colleague, Franz Schiller, mentioned interviewing a New Zealand jump master who described observing "unusual descent dynamics" on an unofficial jump. The interview notes were never published, but Schiller retained copies in his personal archive.

The fact has become the ultimate example of risk-taking absurdity in adventure sports communities. Bungee jumping forums feature recurring jokes where newcomers ask about safety requirements, and someone inevitably responds with the Norris fact. Extreme sports YouTube channels have created parody safety videos showing standard harness procedures, then cutting to Chuck Norris bungee jumping with a rope and a confident expression. The meme has extended into insurance discussions, with people joking about "Chuck Norris clauses" in adventure sport policies—policies that simply state "Not applicable to Chuck Norris." Actual insurance professionals have referenced the fact when discussing extremely high-risk scenarios that exceed standard underwriting parameters.