In July 2014 I injured my left wrist during a fall while walking in the mountains. It was strained, not broken, but it did not seem to heal and I had to avoid movements that fully extended my wrist and required weight bearing, such as being on all fours or supporting myself during yoga poses.
I had been using the Arc since October 2015. I noticed at first that it was no longer bothering me so much while pushing myself up in bed. Two weeks after starting Arc I tested the wrist with some yoga exercises and it was still uncomfortable. Since that time I have not noticed any discomfort when fully extending my wrist, even with my body weight on it. Another healing event that I did not anticipate.
I want everyone I know to try this amazing machine. It seems too good to be true, but it actually is!