If you are elderly and suffer from arthritis you will be amazed at how these knee pads not only make kneeling easier on a hard surface but more importantly help keep you in position after kneeling. I haven't thought about it enough to understand the mechanics, but I believe the knee brace helps keep the knee joint from bending 90 degrees when you kneel. If your thigh is perpendicular to the ground with these knee pads on, your knee joint angle is more likely to be 95 - 0 or 100. So that's five to ten degrees so your joint doesn't collide when you stand up. To see what I mean, just stand up straight; now bend your knees slightly, then stand up straight; not so bad, right? Now try kneeling on the floor and then getting up; oh oh holy smoke what happened? Age. If anything, finding that they help with recovery from kneeling and standing up came as a real surprise. And coveted.
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