Traditional 肱三頭肌 gōng sān tóu jī 🔊 triceps brachii (back of the upper arm) + Keep this word Meanings gōng sān tóu jī 肱三頭肌 triceps brachii (back of the upper arm) Its characters 肱gōngupper arm三sānthreeHSK 1头tóuheadHSK 2肌jīflesh; muscle