*Upper abs - crunches. 3 sets of 25 reps
*Lower abs - leg raises
(including crossovers), 3 sets of 25 reps.
*Oblique abs - Russian twist, 3 sets of 25 reps
* Strengthen core muscles with 3 planks for 1 minute each
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*Upper abs - crunches. 3 sets of 25 reps
*Lower abs - leg raises
(including crossovers), 3 sets of 25 reps.
*Oblique abs - Russian twist, 3 sets of 25 reps
* Strengthen core muscles with 3 planks for 1 minute each