Which of the following training scenarios would MOST likely result in overtraining syndrome for an endurance athlete?
A. Increasing the intensity of zone 3 intervals by 10% from one week to the next
B. Decreasing the number of recovery days per week to accommodate additional interval work
C. Increasing the duration of zone 1 training by 20% over the course of three weeks
D. Decreasing the total time spent doing zone 2 interval work when increasing the intensity
Answer: B