At the start of minute 1, row 1 Calorie.
At the start of minute 2, row 2 Calories.
Continue pattern until you cannot complete the movement within the minute.
When you fail continue pattern and do sit-ups until minute 20.

Rx = 95/65

At the start of minute 1, do 1 OHS
At the start of minute 2, do 2 OHS
Continue pattern until you cannot complete the movement with the minute.

When you fail, do sit-ups until minute 20.