The jury has heard repeatedly that police officers are taught that restraining people facedown is dangerous. Dr. Tobin walked the jury through exactly why, explaining first that simply being in the prone position reduces lung capacity.
On top of that, a knee on the neck compressed Mr. Floyd’s airway, he said, and the weight on his back alone made it three times harder than normal to breathe.
Dr. Tobin discounted the oft-repeated adage that someone who can talk can breathe, calling it “a very dangerous mantra to have out there.”
It is technically true, he said, but “It gives you an enormous false sense of security. Certainly at the moment that you are speaking you are breathing, but it doesn’t tell you that you’re going to be breathing five seconds later.”
The Derek Chauvin trial continues today in Minneapolis.
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Forum News Service | 5:19 pm, Apr. 8, 2021 ×
In this still image from video, surgeon for the Louisville Metro Police Department Dr. Bill Smock is seen shortly after sitting at the witness stand in the trial of Derek Chauvin on Thursday, April 8. (Forum News Service.)
Watch a livestream of the trial and find live updates below.
Editor s note: This video could contain language or visuals that some viewers might find offensive.
5:20 p.m. Court in recess until Friday morning
Attorneys concluded their questioning of Dr. Bill Smock in the trial of Derek Chauvin shortly after 5 p.m. Thursday.
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OffOn Mr. Floyd died from a low level of oxygen, said an expert witness.
• 11 min read
The Death of George Floyd: Day 9 recap of Derek Chauvin s trial
A recap of the key moments from the ninth day of the murder trial.Court TV/Pool via ABC News
A world-renowned pulmonologist, who authored the bible on treating breathing disorders, testified on Thursday that George Floyd died from a lack of oxygen to his brain resulting from former Minneapolis police officer Derek Chauvin jamming his knee into the back of Floyd s neck as he laid pinned to the ground in handcuffs.
Key takeaways from the Derek Chauvin trial, Day 9
The Death of George Floyd: Day 9 recap of Derek Chauvin s trial
Replay Video UP NEXT A world-renowned pulmonologist, who authored the bible on treating breathing disorders, testified on Thursday that George Floyd died from a lack of oxygen to his brain resulting from former Minneapolis police officer Derek Chauvin jamming his knee into the back of Floyd s neck as he laid pinned to the ground in handcuffs. Dr. Martin Tobin, a physician in pulmonary and critical care medicine at Loyola University Medical Center and at the Hines Veteran Administration Hospital in Illinois, was called as an expert medical witness for the prosecution.
Chauvin trial updates: Police surgeon concludes testimony as witness pineandlakes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from pineandlakes.com Daily Mail and Mail on Sunday newspapers.