The impulse dual use abdominal and low back machine is a great solution for commercial gyms with limited space and budget it should meet the needs of those looking for an effective way to strengthen the core muscles the machine enables the user to perform abdominal curls and low back extensions two types of exercises with the use of one machine only it is supplied with a weight stack of 113kg 250lbs to provide both beginners and advanced athletes with a workout adjusted to their personal