WAGO / BACKGRID

Kevin Hart underwent surgery to stabilize three fractures in his back following a serious car crash near his home in Calabasas, Calif. on Sunday.

A surgeon fused three fractures in his spine - two in the upper back and one lower back fracture.

The 40-year-old comedian is said to be heavily medicated and in excruciating pain.

A spinal fracture in three places may mean the patient will have good range of motion in his hands and arms but he will have trouble walking - if not paralyzed from the waist down.

But his doctors say he is expected to make a full recovery, as he didn't suffer a spinal cord injury.

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Still, the father-of-three will need physical therapy to help him walk after back surgery.

Hart and two friends were injured when his vintage 1970 Plymouth Barracuda veered off the road, flipped and landed on its roof in a ditch near Mulholland Drive just after midnight on Sunday.

Hart was able to escape the wreckage, but his wife's personal trainer and her husband - who was driving - were trapped inside. First responders used the jaws of life to cut them out of the mangled vehicle.

A passerby spotted the overturned vehicle, observed two people trapped inside, and called 911. "The roof is crushed and the car is pretty totaled," he said.

The witness told police a black SUV arrived at the scene and a man removed Hart through the shattered driver's side window.

Oddly, Hart and his security left the scene of the crash without calling 911 to help his friends.

Hart was at home when an unknown female called 911 approximately 2 hours after the crash.

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The woman made the call from inside Hart's home around 2 a.m.

In an unemotional tone she told a dispatcher Hart was "not coherent at all" and he "can't move."

That description was in contrast to information given to the news media by Hart's camp who claimed he was fine, talking and walking around after the crash.

Rumors swirled around the industry that Hart was in much worse condition than his camp was letting on.

Hart's wife Eniko was spotted outside the hospital the next day. She told Splash News that he was awake and talking and he was "going to be just fine."

Hart who is usually very active on social media has not posted an update in 4 days.