both hands
💪💪
괜찮으세요..
안내밀면 머가리 딱콩..ㅜ
Kill me.
your shoulder muscles are also engaged because you are moving and holding the weight over your head. Perhaps switch to a different exercise that engages the triceps but avoids the shoulders, if you want to be cautious.
Double chin, go away!
ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ