挺腰

Traditional form:

挺腰

Pinyin (reading):

tǐngyāo

Definitions:

• to straighten one's back
• to arch one's back

Characters:

• 挺 - to straighten, to stand upright; rigid, stiff
• 腰 - waist, lower back; middle; pocket

Traditional characters:

• 挺 - to straighten, to stand upright; rigid, stiff
• 腰 - waist, lower back; middle; pocket