Hunter Allen explains Quadrant Analysis in Cycling. How do you "create" the wattage when you pedal? What are different quadrants, where is sprining? Big Gear intervals? How do you create watts on your coffee shop ride or in a hard criterium. Quadrant Analysis is an important concept created by Dr. Andrew R. Coggan and first released in CyclingPeaks Software in 2003. To learn even more, pick up a copy of their book. Dr. Coggan and Hunter wrote about this concept in their seminal book on training with a power meter, "Training and Racing with a Power Meter".