Inviting and easy-to-use, the Life Fitness Circuit Series was designed as a great introduction to circuit training, with push-button controls and no set-up adjustments. The Life Fitness Circuit Series Leg Extension isolates and strengthens the quadriceps. No set-up adjustments and intuitive push-button controls make the leg extension an inviting introduction into strength training. Incremental resistance adjustments allow exercisers to easily measure their progress, which makes it ideal for group or long-term strength training.

The Life Fitness Circuit Series was designed to eliminate workout intimidation for novice strength equipment users by combining an appealing, low profile, easy-to-use design that requires no set-up adjustments, with consistent and low starting resistance levels that gently introduce users to weight training. The 10 individual strength machines in the Circuit Series utilize the Lifeband Resistance System, which features smaller increment resistance adjustments that are chosen by a push-button control system, and biomechanically correct natural movement patterns. The Circuit Series also includes an abdominal bench for developing abdominal and core strength.

A Life Fitness Circuit Series Push Button Resistance Leg Extension is, and can best be described as follows: A Leg Extension is a plate-loaded or selectorized piece of fitness equipment designed to strengthen the Quadriceps muscles of the legs when the user extends the knees and pushes the loaded or selected weight away from the body. The user is typically seated with the legs bent slightly more than 90 degrees and comfortably braced behind an adjustable lower leg pad.