i have two questions.
1) should i do cardio? im naturally skinny (i weigh 140 lbs). if i should what should i do?
2) what is a good ab workout? this is what im currently doing. please post any suggestions or ab workouts.
- 120 normal crunches
- 70 crunches with legs to the left. then to the right
- 80 crunches with legs in the air
- then i go to the vertical ab machine and do 1 set of 30 reps
thanks
1) should i do cardio? im naturally skinny (i weigh 140 lbs). if i should what should i do?
2) what is a good ab workout? this is what im currently doing. please post any suggestions or ab workouts.
- 120 normal crunches
- 70 crunches with legs to the left. then to the right
- 80 crunches with legs in the air
- then i go to the vertical ab machine and do 1 set of 30 reps
thanks

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