Balance Trainer It is similar to the stability ball, but comes mounted on a flat rubber platform. Also called Bosu ball, it is used not only for abdominal workouts, but also for balance exercises. Ab Rollers These are one of the first few abdominal exercise equipment to have hit the market. The reviews are not very good, and the fitness experts recommend against the use of ab rollers. You may want to talk to your trainer before you decide to buy this machine. Ab Straps If the problem area is the lower abdomen, then the ab straps (also called Pilates straps) are the best option. You will have to learn the exact method of use, or else you may not get the desired results. If you do not have the grip strength, it can limit your ability to focus on the abdominal muscles. Ab Wheel The ab wheel is often used in most of the gyms, as they are known to give great results. However, it is important to know how to use it, so as to avoid injuries. Rowing Machine Although most of the time, the rowing machine may be used for cardiovascular exercise, it is a great machine to work the abdominal muscles as well. It also helps to build stamina, endurance, and core strength. Seated Ab Machine Like the rowing machine, this is a multiple utility machine. Therefore, it is seen in most of the gyms. Along with the abdominal muscles, it also works on the thighs and glutes. Horizontal Ab Machine Like the seated ab machine, there is the horizontal ab machine. It is similar to an ab lounge in working. Having mixed reviews due to a few limitations, it helps build the core muscles slowly. Push Up and Pull Up Bars With the push up bars, you will get the best total body exercise, which helps in building core strength. Along with the core, it will also help to work the chest, shoulders, triceps, back, and legs. Pull up bars are also known to give a good workout. The pull up bars can be put up in any doorway as well. Floor Mat Do you know, which is the cheapest equipment to exercise your abs? It is the floor. However, you will need to supplement it with some other appliances if you are serious about developing a strong core. A floor mat is one such accessory to facilitate floor exercises. There are a number of abdominal crunches and sit-ups, which will help to work the midriff. Before you use the equipment mentioned above, make sure you have spoken to your healthcare professional. At the same time, it is also important to know the limitations of each appliance. Remember to do some warm up exercises, before you start doing ab exercises, to avoid injury. Disclaimer: This Buzzle article is solely for informative purpose, and not intended to replace the advice of experts. Make sure you consult your fitness trainer before purchasing any of the mentioned equipment.