Aerobic work + core Workout

60 min
A. 45 min aerobic work
30 min row + 15 min crosstrainer
B. JG 5.4.2018
B1. 3 rounds of:
- 10 v sits
- 20 supermans
B2. 3 rounds of:
- 15 hollow rocks
- 15 side plank raises/side