팔뚝 토닝💪팔뚝 진짜 줄이고 싶다면 이렇게 운동해보세요 (사이즈 절대 안 커짐)

0:00 Opening
01:19 Triceps Muscle Description
02:29 Exercise 1 - Holding tricepts Extension
07:09 Exercise 2 - One-arm tricepts extension
10:03 Exercise 3 - Negative Push Up
11:09 Organize the entire program