Designed for effective administration of progressive resistance exercise to the knee joints muscle groups. Both quadriceps and hamstrings can be exercised wtih out changing the position of the patients. Resistance bar is calibrated so that resistance can be varied from 1/2 and 3/4 and maximum without adding weight, the unit consists of foam padded seat with padded back rest. The torque unit consists of two lever arms one of which hold the weight. Table size (LxWxH) 70x80x120cm.