The Jumanji: Welcome to the Jungle actor, 40, had three fractures to his spine in the Labor Day weekend car crash, according to TMZ.
When Hart underwent surgery on Sunday night, the fractures were fused — two in the thoracic spine, which is the upper and middle part of the back, and one in the lumbar, which is in the lower back.
While the procedure was a success and he's expected to make a full recovery, the website reports that Hart is "still going through hell." He's also been heavily medicated because of the pain. Physical therapy is next, but TMZ says it will be a "long road back."
PHOTOS: Kevin Hart and wife Eniko together
Kevin Hart and Eniko Parrish
Kevin Hart and Eniko Parrish
BEVERLY HILLS, CA - AUGUST 03: Eniko Parrish and (R) Kevin Hart attends the Kevin Hart and Jon Feltheimer Host Launch Of Laugh Out Loud at Private Residence on August 3, 2017 in Beverly Hills, California. (Photo by Leon Bennett/FilmMagic)
LOS ANGELES, CA - JANUARY 16: Kevin Hart (R) and Eniko Parrish attend a basketball game between the Oklahoma City Thunder and the Los Angeles Clippers at Staples Center on January 16, 2017 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)
PHILADELPHIA, PA - OCTOBER 12: Actor Kevin Hart and wife, Eniko Parrish attend 'Kevin Hart: What Now?' Philadelphia Screening at UA Riverview 17 on October 12, 2016 in Philadelphia, Pennsylvania. (Photo by Gilbert Carrasquillo/Getty Images)
SANTA MONICA, CA - DECEMBER 11: Eniko Parrish (L) and actor Kevin Hart attend The 22nd Annual Critics' Choice Awards at Barker Hangar on December 11, 2016 in Santa Monica, California. (Photo by Frazer Harrison/Getty Images)
Actor Kevin Hart and wife Eniko Parrish arrive at the 22nd Annual Critics' Choice Awards in Santa Monica, California, U.S., December 11, 2016. REUTERS/Danny Moloshok
Presenter Kevin Hart arrives with Eniko Parrish at the 88th Academy Awards in Hollywood, California February 28, 2016. REUTERS/Lucy Nicholson
Actor Kevin Hart (R) and wife Eniko Parrish pose at the GQ Men of the Year Party in West Hollywood, California, December 8, 2016. REUTERS/Danny Moloshok
Cast member Kevin Hart and fiancee Eniko Parrish pose at the premiere of "Get Hard" at the TCL Chinese theatre in Hollywood, California March 25, 2015. The movie opens in the U.S. on March 27. REUTERS/Mario Anzuoni
Actor Kevin Hart (R) and model Eniko Parrish arrive at the 72nd Golden Globe Awards in Beverly Hills, California January 11, 2015. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)(GOLDENGLOBES-ARRIVALS)
Comedian Kevin Hart (R) and his girlfriend Eniko Parrish attend Spike TV's "Guys Choice" awards in Los Angeles June 7, 2014. REUTERS/Phil McCarten (UNITED STATES - Tags: ENTERTAINMENT)
Cast member Kevin Hart and his fiancee Eniko Parrish pose at the premiere of the "The Wedding Ringer" at TCL Chinese theatre in Hollywood, California January 6, 2015. The movie opens in the U.S. on January 16. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)
Kevin Hart and Eniko Parrish arrive at the 2014 BET Awards in Los Angeles, California June 29, 2014. REUTERS/Kevork Djansezian (UNITED STATES-Tags: ENTERTAINMENT)(BETAWARDS-ARRIVALS)
Host Kevin Hart and his girlfriend Eniko arrive
at the 2012 MTV Video Music Awards in Los Angeles, September 6, 2012. REUTERS/Danny Moloshok (UNITED STATES - Tags: ENTERTAINMENT) (MTV-ARRIVALS)
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Hart hasn't spoken out about the crash — during which his friend, Jared Black, reportedly lost control of Hart's 1970 Plymouth Barracuda and crashed through wooden fencing along Mulholland Highway and rolled down an embankment just before 1 a.m. on Sunday morning.
In addition to Hart and Black, Black's fiancee, Rebecca Broxterman, was in the car, which was crushed. Black, who was not under the influence of alcohol, suffered "major back injuries" while Broxterman also complained of pain.
Details about how the crash unfolded have been slowly trickling out with 911 calls being released and eyewitness accounts shared. We have learned that Hart reportedly left the scene — after being pulled out of the driver's side window — with his security while Black and Broxterman remained in the car waiting to be rescued. The star was taken to his Calabasas home with extensive back injuries, and then an hour and a half later, a woman called 911 requesting medical attention for Hart at his house, saying the actor "can't move" and was "not coherent at all." At that point, he was hospitalized.
Hart's wife, Eniko Parrish, was spotted visiting her husband at the hospital on Monday after his surgery. “He’s good, everybody’s good. Thank God,” she said. “He’s fine, he’s awake.”