31DAYABS WORKOUT OF THE WEEK. Follow @31dayfitness for the best Core workouts! Oblique “Standing Twist” Beginners sets: 3 Reps: 15 or 20 sec Intermediate sets:3 Reps: 20-25 or 30 sec Advance sets: 3 Reps: 30-40 or 45-1min Expert sets: 4 Reps: 45+ 1-2 minutes *Rest 10-15 seconds between reps* *use weight to enhance exercise * #31dayfitness #31dayabs #31dayfit











