queenbeecali: Summer bodies are built in the Fall and Winter.. This morning's #HIIT before the gym. 20x up/down in 20 mins - alternating between sprinting step by step up and double stair step ups. #SheastMode #QuadsOnFire #ConventionStairs #SanDiego #HighIntensityIntervalTraining #20for20 #EatBreatheSleepFitness #BetterForIt #GoodMorning