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.
With a continuously running clock do one pull-up the first minute, two pull-ups the second minute, three pull-ups the third minute... continuing as long as you are able.