The Shuttle Recovery is engineered with the same craftmanship as the Shuttle 2000-1 and MVP and is available at a very affordable price. You can zero out the effects of gravity so a patient can start laying supine with range of motion and progress from resistance as low as 12½ pounds all the way up to 200 pounds at full extension. Treat kids to seniors, post-op patients to high school athletes. Recovery Standard: Widebody Carriage(500 lbs. Capacity) Universal Headrest Resistance: 12 ½ to 150 lbs. at full extension Recovery Sport: Widebody Carriage(500 lbs. Capacity) Universal Headrest Plyometric Cross Brace Resistance: 12 ½ to 300 lbs. at full extension Recovery Performance: Widebody Carriage(500 lbs. Capacity) Universal Headrest Plyometric Cross Brace Proprioceptive Disk & Holder Lower Extremity Isolation Belt Resistance: 12 ½ to 300 lbs. at full extension