Four bar linkage, gas-assisted back rest adjusts to 8 positions to accommodate various size trainees while user is in exercise position.

Built-in starting range limiter adjusts in 10° increments with 8 adjustment positions.

Center leg pad is designed for ease of adjustment for different size trainees.

25° angled seat pad places the trainee in the correct exercise position for isolation of the quadriceps.

Molded back rest for proper lumbar support.

Smart Strength technology offers 9 different cam profiles simply by adjusting the cam; resistance curves are altered to stimulate different muscle fibers.

Add on weights in 5 lb increments allow the trainee to fine tune their resistance requirements.

Roller bearings are used to guide the weight stack top plate creating a smoother motion and consistent stem alignment.

Weight stack plates are labeled in both US customary and metric units of measure (lbs./kg)