“Indented Kua-Chen Zhonghua Online Lesson 20210826” Online Video Purchase
Presenter: Chen Zhonghua Length: 1 mins Difficulty: 3/5 Language: English  
Year: 2021 Location: Edmonton, Canada
The Kua (front kua) must be open (stretch out so that there is less an indentation) in order for the body to have proper balance. An indented kua will make it difficult to maintain balance.
The full video can be purchased below:
"Chen Zhonghua Online Lesson 20210826" Online Video Purchase
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