seriously intense ab workout, Working none stop or to the best of your ability. 12 rounds of 45sec / 30sec. on the 30 second timer that should be your most difficult workout. the thing you hate the most and really feel that BURN!
Keep your core engaged the entire time and focus on form over speed.
Core
Strength
1 year ago
15 Minute AB Workout
Marlin Sims
This video will be available for 72 hour with unlimited access.
