The Life Fitness Pro or 9000 Series is a premium, ergonomically superior, low maintenance strength training circuit that combines sophisticated aesthetics with durable, safe, and reliable design elements. The Pro Series includes: 14 individual upper body machines, 13 individual lower body machines, 3 torso machines, 5 dual pulley machines, a Smith Machine, a Cable Crossover, a Dual Adjustable Pulley, various Multi Jungle configurations, and 2 multi-adjustable benches.

A Life Fitness Pro Lower Back Extension is, and can best be described as follows: A Back Extension, or Low Back Extension, is a plate-loaded or selectorized piece of fitness equipment designed to work the muscles of the Lower Back during strength training. The user is in a seated position and lifts the loaded or selected weight by pushing against a back pad while extending the spine.