1) weighted plank
60-50-40-30-20sec
2) circuit training
45sec on 15sec off 4set
[16min]
1. KBS(hard style)
2. DU
3. push-up
4 rest
1) weighted plank
60-50-40-30-20sec
2) circuit training
45sec on 15sec off 4set
[16min]
1. KBS(hard style)
2. DU
3. push-up
4 rest