The answer is: not the same.
Trunk g ǔ q √.
(1) physical appearance and temperament. The latter refers to strong and unyielding personality and integrity.
He is a man of backbone.
China people have backbone. -"Talk about backbone"
(2) It is a metaphor for the brushwork and vigorous momentum of calligraphy.
The handwriting is very backbone.
great ambitions
The determination and courage to make positive progress or accomplish something.