Finite element modeling of electric field effects of TASER devices on nerve and muscle.

{
  "study_type": "engineering",
  "exposure": {
    "band": null,
    "source": "TASER device",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "current distribution in muscle layers",
    "skeletal muscle activation",
    "motor nerve activation",
    "cell electroporation thresholds",
    "current density",
    "electric field strength",
    "safety (tissue damage risk)",
    "efficacy (temporary incapacitation)"
  ],
  "main_findings": "Finite element analyses under worst-case assumptions predicted muscle-layer current density and electric field strength of 94 mA/cm^2 and 47 V/cm. These values were above thresholds for neuromuscular activation but below levels needed for permanent cellular electroporation or tissue damage; the authors conclude TASERs are safe and effective for temporary incapacitation.",
  "effect_direction": "no_effect",
  "limitations": [
    "Modeling/analysis study (finite element), not direct measurements in humans or animals",
    "Assumes worst-case electrode penetration and separation; real-world conditions may differ",
    "Threshold comparisons are referenced but specific sources/uncertainties are not detailed in the abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "TASER",
    "finite element modeling",
    "electric field",
    "current density",
    "skeletal muscle",
    "motor nerve",
    "neuromuscular activation",
    "electroporation",
    "tissue damage",
    "safety",
    "efficacy"
  ],
  "suggested_hubs": [
    {
      "slug": "engineering-modeling",
      "weight": 0.9,
      "reason": "Finite element modeling of electric field/current distributions in tissue."
    },
    {
      "slug": "occupational-exposure",
      "weight": 0.25,
      "reason": "TASER exposure may be relevant to law-enforcement/occupational contexts, though not explicitly studied in a population."
    }
  ]
}