I think it's the spinal cord and sacrum, but I'm not that sure. :)
All of the time! We need bones to walk, sit, eat sleepect. Without bones we wouldn't even ber able to sit up!
cause she is so fkn hott!
A sit up is an eccentric muscle contraction.
Bones are used in bodys for holding them up. If you didn't have bones, you'll be a big jelly-like person on the floor. Bones are made up of cells that throw anything that makes them weak. Did you know millions of cells can fit in this period.
Exhale while sitting up and inhale while going back down.
Rectus Abdominis
Holding your breath is anaerobic exercise, which leads to greater muscle mass, so yes, you could, though I never have. However, you need oxygen for aerobic exercise, by definition, such as swimmng, walking and running. Holding your breath is not an anaerobic exercise, it becomes anaerobic after a certain period of time when the deposites of oxygen finish. be careful what you write please
you have to have a treat or els you will lose there attion make sure he/she is standing you are going to raise the treat up so thay can sit and then you just keep doing that :)
Sure have! Check out the awesome blog post in the related links, talks about Never doing sit-ups again...
Not generally - interlocking your fingers behind your head during sit-ups can cause neck strain and tension. Best practice is to cross your arms across your chest to prevent excess strain.
Some people prefer to just sit and watch TV because they get fed up of doing work. So, they take a rest.