|
|
6 Second Abs gives you better results with fewer crunches by combining three essential elements: |
|
|
|
Maintain the proper form for a more effective crunch while in a comfortable, seated position. |
|
|
Audible clicks guide you through a perfect crunch lasting 6 seconds. |
|
|
5 adjustable resistance levels, from approximately 15 to 55 pounds.
Adjusting the Resistance |
|
|
|
|