科学理性分析梁彼得案-1
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Involuntary hand clench caused accidental discharge?
Office Liang had his trigger finger placed outside the trigger guard, but an involuntary hand clench could have occurred, resulting in accidental discharge. See:
Trigger Finger Positioning, Hand Clenches, and Accidental Discharges - See more at: http://www.activeresponsetraining.net/trigger-finger-positioning-hand-clenches-and-accidental-discharges#sthash.wMwqQaiW.dpuf
The three most commonly identified causes of involuntary hand clenching have been extensively studied. They are as follows:
1) Postural Imbalance. When the shooter loses balance or trips, his hands will clench.
2) Startle Effect. When the shooter is under stress and surprised, there will often be a hand clench.
3) Interlimb Interaction. Under stress, when the non gun hand closes violently, the gun hand will clench, spontaneously duplicating the actions of the non-gun hand.
All of the three conditions above could have caused his hand to clench. Such clench could produce pressure of 30 pounds, more than enough for the finger to slip from the frame to fire the weapon.
by Douglas Lee
由李万龙先生撰稿
