Abdominal Rollers

Advantages: Prevents neck strain, better form
Disadvantages: Can be awkward to unfold

...working and other activities. Weider Crunch Trainer :~ The crunch trainer aids you in doing crunches by helping you keep good form thus preventing injury to the neck and back. It also helps you isolate the abs for a better mid section work out. But do not listen to some of those ads that say it will work miracles, it will not it basically helps you perform a better crunch more easily. If you already have good form the ab trainer will not make any ...
...Compact :~ The Weider Crunch trainer is foldable and it measures 22" long 24" wide and 8" deep. This makes for easy storage and to transport it around from room to room or house to house depending where you want to train and it only weights 6kg. To setup can be quite difficult until you get the knack of it. First lay the mat out, then on each of the arms is a spring loaded locking system you need to grip either side of the yellow ring, then pull ... Read review

Advantages: great for the abs and obliques, good price
Disadvantages: little variety, big

...came back was the Abdotrim. Leisurewise Abdotrim cost me around £20. It was extremely easy to put together as only a couple of bolts are needed. This process takes 5 minutes maximum. I loved it when i first bought it because i could feel my abdominals working well and they always felt tight and tired after use. There a number of exercises that can be used on the Abdotrim, focussing on the obliques the upper abs and lower abs. Exercises include; ...
...hip raising. Different muscles can also be used and tensed by changing the position of the arms on the Abdotrim. such as cross-over arms, elbows in, wide grip, narrow grip and many more. But after a while and as my gym knowledge increased I realised that my previous love of this machine was incorrect. I learned that this machine only isolated those certain muscles where as other options(such as the gym ball) could also do the same but also offered ... Read review

Advantages: great for your stomach muscles
Disadvantages: none

This abs trainer is one of the simplist around and also the cheapest so is ideal for anyone who doesnt want to spend a lot and doesnt have a lot of space as this comes flat packet and can simply be put back in its box. To assemble all you need to do is slot the 3 pieces together, they have the metal pins in them that you have to press to release to take it apart again, to use this you lie on the floor with the cushioned piece behind your head and ...
...your hands to roll your body forwards with the abs roller, this strengthens your stomach muscles and is great for anyone whos stomach muscles are weak or who find it difficult to do sit ups on there own. It is realy comfortable to use due to the cushion on the neck part and a great way to excercise those stomach muscles. ... Read review