Possibly. Or it could be blood pressure issues.
you will lose on average 150 calories doing 230 sit ups.
a long time. few weeks perhaps
By doing sit ups.
no i have been doing them my hole life and i am six foot
Yes, you can engage and contract your stomach muscles while doing sit-ups to strengthen and tone your core.
A decline bench or an exercise ball are the best types of equipment for doing sit-ups effectively.
no. in moderation they are perfectly fine.
doing push ups and sit ups
Yes, you get abdominal muscles.
The best types of exercise equipment for sit-ups are an exercise mat or a sit-up bench. These provide support for your back and help maintain proper form while doing sit-ups.
yes you will
yes