Dwayne Johnson and Kevin Hart may have a frolicking relationship, but behind the jokes, Hart also picked up serious fitness ...

The routine includes exercises like leg extensions, presses, curls, and lunges, which help build strength in the quads, glutes, hips, and hamstrings.

Dwayne “The Rock” Johnson’s muscle-building program is built on early mornings, brutal intensity, locked-in nutrition, punishing leg days, and total gym focus — here are the five keys behind his ...