Read the sentences below then decide what Principle of FITT they represent (Frequency, Intensity, Time, Type). Currently, you do pushups 3 days per week, but plan to increase that to 4 days per week.

You feel comfortable stretching easy, so you try slowly stretching a little deeper, little by little.

Currently, you practice yoga 3 days per week, but plan to increase that to 4 days per week.

You usually complete 2 sets of weightlifting exercises, but try adding a third set for a challenge.

You feel fine riding your bike at 12 mph, so you up your speed to 15 mph for a challenge.