Exercise description of abdominal floor crunch.  Learn about the abdominal floor crunch with videos, pictures, and other information.  Also learn how the abdominal floor crunch, improves sport performance.

Primary muscles worked: Rectus Abdominis

Synergist Muscles: Obliques

Mechanics: Isolation

Equipment: Open Floor Space

How to perform the exercise: The abdominal floor crunch is performed in the following manner: first, lay flat on the floor with knees bent, and feet flat. The feet should be roughly 6 to 12 inches away from the butt. Next, place arms across the chest with one arm over the other arm. Once in this position, you may begin the crunch by lifting the shoulder blades and back off of the mat. Once the shoulder blades are about 6 inches off the mat return to the starting position. Be sure to keep the chin tucked in to avoid excessive stress on the neck. Also, the movement should be slow and deliberate, concentrating on utilizing the core muscles, mainly the abs, to perform the crunch.

Spotting the exercise: The abdominal floor crunch is a basic exercise that needs a spotter for only the most beginner athletes. Place the hand under the back and assist the lifter with reps as needed.

Sport specific application: The abdominal floor crunch is an excellent beginner exercise that will foster local muscular strength and endurance gains in athletes. The core/abs are important many different areas of athletics and they should be trained thoroughly.