Joint locking (medicine) symptom of: Locking of the knee happens during the last stages of extension when a person is standing up. Medial rotation of femur occurs as the space available at the lateral condyle of tibia is being used up by the lateral condyle of femur during extension. Therefore, lateral femoral condyle acted as an axis for medial femoral condyle to rotate backwards. This movement is aided by oblique pull of the ligaments of the knee joint and contraction of the quadriceps muscles. The ligaments are pulled taut when the knee joint is locked in place during standing. When the knee is
Oruza wings with stalked veins 3 and 4. Larva with two pairs of abdominal prolegs. The genus has previously been classified in the subfamily Aventiinae within Erebidae or in the subfamily Acontiinae of the family Noctuidae. Oruza Oruza is a genus of moths of the family Erebidae. Palpi upturned, reaching vertex of head, where the second joint hairy in front and third joint minute. Antennae of male ciliated and with bristles at the joints. Thorax and abdomen slightly scaled. Fore legs with hairy tibia and femur. Hind legs of male with outer side hairy tibia and tarsi, with long short scaly