Building an Astronaut Core

Building an Astronaut Core

The Little Explorers Using only their abdominal muscles, lifted their upper body until their shoulder blades left the ground. Then lowered their shoulders down using only their abdominal muscles to complete one crunch. They completed as many crunches as possible in one minute.
The Little Explorers also performed pilot plank. They lied down on their stomach, Rested on their forearms, made a fist with each hand, placed their knuckles on the floor shoulder width apart. Using only their arm muscles, pushed their body off the floor supporting their weight on their forearms and toes. They tried to have their bodies as straight as possible.
Finally, they performed back extensions and stretching.