Spot type detectors are typically approved for 30 foot diameter spacing. It seems to me Beam detectors or other linear type detectors should follow the same width for coverage.
I am a volleyball player too and my knee does the same thing so when I go to get up I hold my knee with my hand and hope for the best
It'a a simple job, check out u-tube.
Never heard him rap actually, but he was a fighter in Def Jam Fight for NYawesome game back then.
It describes knee pain and symptoms and the injuries associated with them. Maybe it'll give you an idea of what's wrong with your knee. Still see the orthopedist though. Good luck! (:
