What did he say?

Some of the terms used might not be familiar to you. I'll explain them to you.
You can pause the movie at any point and then start again.
     
What?   Explanation in English
     
Plantar Facitis  

Pain and inflammation in the ligment that connects the heel with the metatarsals (see diagram below).
     
Subtalar Joint  
   
Pronation   Flat Foot caused by ankle bending inwards
     
Neutral Position   Taking the bend out of the ankle. This is what an orthotic does naturally and it feels good.
Orthotics