As much as rowing seems like an exercise in the arm, most of the strength for each stroke really comes from the leg push. It's also important to note that it's not just how many strokes a minute you can do, but about the quality of each stroke and how much space you can create for each stroke.
The Tabata interval is 20 seconds of work followed by 10 seconds of rest for eight intervals. Tabata score is the least number of reps performed in any of the eight intervals. Unit for the row is calories.
3 rounds for max reps of:
1 minute of wall-ball shots
1 minute of sumo deadlift high pulls
1 minute of box jumps
1 minute of push presses
1 minute of rowing (calories)
Rest 1 minute
Men: 20-lb. ball to 10 ft., 75-lb. SDHP and press, 20-in. box
Women: 14-lb. ball to 9 ft., 55-lb. SDHP and press, 20-in. box