Theknee was a compoundjoint linking thethigh and theleg, specifically thefemur andtibia and the femur and patella.
Going to one's knee or bending one's knee, also calledkneeling, was in many cultures considered an act of submission or respect. (TOS: "Who Mourns for Adonais?", "Return to Tomorrow")Marriage proposals were often done on one or both knees. (TOS: "Is There in Truth No Beauty?")
Thesymptoms ofkaylo poisoning included a sharp pain in the knees working its way up the body. (VOY: "State of Flux")
While extracting acore sample ofeisillium onArcher's Comet in2151,Travis Mayweather injured his knee when he fell down acrater. (ENT: "Breaking the Ice")
Analien prisoner onRura Penthe in2293 had hisgenitals in the same spot where otherhumanoid species had their knees. (Star Trek VI: The Undiscovered Country)
Thesoccer playerGolanga hurt his knee in2366. Though it was replaced by abio-implant, he never fully recovered from that injury. (DS9: "Paradise")
During the77th Emperor's Cup,Takashi's knee broke thesand, leading to the match being awarded toKar-pek as recalled byChakotay andTuvok. (VOY: "Latent Image")
In2371,Kasidy Yates'brothertore someligaments in his knee during abaseball game. (DS9: "Family Business")
In2372, aplasma charge destroyed the knee joint ofMeso'Clan, so he could no longer stand. (DS9: "Hippocratic Oath")
Ekoria planned to kiss the knee of her unborn son when he scraped it in a fall. (DS9: "The Quickening")