Tabata Core Workout

Tabata 1.

4 x 20 sec hollow rocks, 10 sec rest, 20 sec supermanrocks, 10 sec rest

2 min rest

Tabata 2.

4 x 20 sec bulgarian lunge (L), 10 sec rest, 20 sec bulgarian lunge (R), 10 sec rest

2 min rest

Tabata 3.

4 x 20 sec russian twist, 10 sec rest, 20 sec L sit hold, 10 sec rest
(scale the Lsit by keeping the but on the floor and only lifting the legs)