Answer: His tumbling experience
Explanation:
The tumbling experience is required to be determined as in tumbling one learn to show movement on the floor. They perform the stretching exercises, flips, somersaults, handspring and handsprings. One learn tumbling from childhood, till adolescence and adulthood one gets a good hold on the body and flexibility. So, Jerry must need to know about his tumbling experience about his body flexibility.
Scientific means that things have been tested out and proven to be accurate. There are Scientific things related to psychology because psychologists also study neurons, nerves, etc.
Behaviors are related habits, movements , speech, etc and they are all apart of the brain and that’s what psychologists study
I have no idea what I just typed but I hope it helps -,- you can just build off of it if you feel like it’s accurate
