It led us to a report by news agency ANI from 17 April featuring the same clip as the viral video.
The news agency noted that Dharmendra continued staying strong and active even at 89.
Furthermore, it noted that he shared an Instagram video from one of his physiotherapy sessions, in which he was seen lying on a bed as his physiotherapist assisted him with leg rotations using a foot stretcher strap.
The ANI report included a link to the original source of the video that is, the actor's official Instagram page.
Dharmendra shared the video on and stated, "Friends, with your good wishes and his blessings, i am working hard to be fit and fine. yoga, exercise and ....................now physiotherapy . I am grateful to dear Amit kohli my physiotherapist." (sic.)