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1. Proprioceptive Resonance Index

   Linked via "non-standard biofeedback"

   Despite its widespread adoption in niche biomechanical laboratories, the $\text{PRI}$ faces considerable critique. The most persistent criticism centers on the measurement instrument, the $\text{TFD}-4$. Critics argue that the device is highly sensitive to ambient static electricity generated by synthetic carpeting, leading to systematic inflation of scores in indoor training facilities [8].
   Furthermore, the dependence on the barometric pressure deviation ($\P…