There are 5 reasons to use these types of exercises to your workout regimen which will help you with your overall health and fitness levels. As toddlers we learned how to build our bodies up by crawling:

#1 it works your overall strength full body
which works on your glutes, quads, calves, shoulder girdle, deep abdominal muscles, hips and feet with these types of exercises.

#2 You can do these types of exercises can be done anywhere
Instead of being only able to do this only in gyms like with weight lifting programs you can do this at home or park with no equipment

#3 These types of exercises can be done at all levels of fitness
Being able to do a crawl is something that all levels can do with modifications depending on your knees health most individuals can do a crawl like a toddler if they can not do bear crawls they can crawl on all fours.

#4 tones up your body
These crawls can work your body like previously stated and help tone up your body just like cardio walking or running a treadmill

#5 These exercises helps with your movements
You can work on your movement of your body movement as far as lateral, forward, vertical and backward movements.