Photo: Jeremy Renner/Instagram

Jeremy Renner

Jeremy Renner’s recovery from hisJan. 1 snowplow accidentis all about progress.

On Wednesday, theAvengers: Endgamestar — whose upcoming interview withDiane Sawyeris set to air Thursday — re-shared a photo on hisInstagram Storyshowing him working with chiropractic sports physicianChristopher Vincentas a camera crew looks on.

“This pain, agony, soreness … Ain’t nothing but PROGRESS,” Renner, 52, wrote in a caption over the photo.

Vincent, whose Instagram profile lists him as a “health & wellness advisor” and “longevity expert” in addition to his work as a chiropractic sports physician, shared uplifting words about Renner’s recovery in his ownInstagrampost Wednesday as he promoted the actor’s upcoming interview.

“Most people would just accept that life will never be the same after a near-death accident, but some simply won’t accept it,” the doctor wrote in a caption to his Instagram post, which showed three photos of him observing Renner.

Jeremy Renner/Instagram

Jeremy Renner

“Great work, @jeremyrenner; you will be back stronger and healthier than you were before,” he added in his caption.

Renner previouslyshared a video on Twitterof himself walking on the treadmill device on March 26. In the video, he could be heard telling a man standing to the side that the device is like “having a cane” and that he was walking with “only 40% of my weight.”

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“I now have to find OTHER things to occupy my time so my body can recover from my will,” the actor wrote on Twitter at the time.

The clip came more than two months after the New Year’s Day accident at Renner’s property outside Reno, Nevada, which initially left the actor in “critical but stable condition” after a snow plow (said to weigh at least 14,330 lbs.) ran him over while he washelping a family member get a “stuck” vehicleout of snow. Hebroke more than 30 bonesandunderwent multiple surgeriesafter surviving the accident.

Renner’s upcoming interview with Sawyer was teased onGood Morning AmericaWednesday, as the ABC morning show aired moments from the 911 calls sent after Renner’s accident. In one moment from the interview, Renner recalled thinking hewould have died if his nephew Alex had not been there.

“If I was there, on my own, that would’ve been a horrible way to die,” Renner told Sawyer in theclip shared onGMA. “And surely, I would’ve. Surely. But I wasn’t alone — [I was with] my nephew. Sweet Alex. And the rest of the calvary came.”

Jeremy Renner: The Diane Sawyer Interviewairs Thursday, April 6, at 10 p.m. ET/9 p.m. CT on ABC News.

source: people.com