Challenge completed - 291 reps:
core
- 2x1 minute of each of the four planks (96)
- 12x3 reverse crunches (36)
- 12x3 "leg flaps with flat back" (taking a wild guess on the name here) (36)
- Superset (10 deadbugs + 15 "touch the feet" (15x per side) x 3 (75)
- 16x3 "Boat dumbbells" (another wild guess) (48)