Trey's family has been walking together for 20 minutes at least three days per week for the past four weeks. They already have s
o much more energy, and they want to continue to improve. How could Trey's family apply the FITT principles to make their walking routine more effective? A. Add push-ups to their routine
B. Replace one walk with a bike ride
C. Add an extra day of walking each week
D. Wear new shoes to walk faster
