Maximum user weight: 120 kg
Recommended age: 14 years and older

1. Sit on the fitness equipment, firmly pressing your back against the support.
   
   

2. Position your legs under the roller, placing it just above the ankles.
   
   

3. Keep your knees bent at approximately 90°, with feet parallel to each other.
   
   

4. Exhale and slowly straighten your legs at the knees, lifting the roller upward.
   
   

5. Hold the extended position for 1–2 seconds, fully contracting the quadriceps without locking the knees.
   
   

6. Inhale and slowly return to the starting position, controlling the motion.