Sit Up Bench with Dumbell and Spring

The curve adds several inches to your extension, more easily emphasizing lower abdominal muscles and building the abs you want in less time. Soft foam rollers protect your knees and ankles, while gripping handles allow some arm assistance to squeeze out a few more reps. Good abdominal muscles are necessary for proper back alignment and a host of other health issues not related to looking fantastic, something for which they are also important.