November 2, 2018 | By Ultimate 48 Fitness In 3% Challenge, Fitness 3% Challenge Day 19 Stretch for 5 mins before doing cardio Jog 3 miles Then after perform inch worms 10 reps 50 crunches 1 minute six inches 50 crunches 1 minute planks 50 calf raises Repeat circuit 2 times Stretch