16. Crunch And Twist Try these in addition to a typical crunch, by simple twisting slightly so your left elbow touches your right knee, then your right elbow touches your left knee. Again, repeat for 3 sets of 12.
The BEST Shoulder Workout w/ ONLY BODYWEIGHT Exercises - YouTube
7 Best Shoulder Exercises For Men
[Infographic] 뱃살을 빼기 위한 요일별 운동법에 관한 인포그래픽