Complete 32 intervals of 20 seconds of work followed by ten seconds of rest where the first 8 intervals are pull-ups, the second 8 are push-ups, the third 8 intervals are sit-ups, and finally, the last 8 intervals are squats. There is no rest between exercises.
The barbell goes from ground to overhead, passing through a front squat in which the crease of the hip passes below the height of the kneecap. The finish position is with the arms, hips and knees fully extended, arms overhead, with at least a portion of the ear visible in front of the arm. Dropping the barbell is acceptable.