膝关节脂肪垫损伤: 膝关节脂肪垫位于股骨和胫骨之间,此垫系脂肪组织,有丰富的血管和神经,在膝关节伸,屈活动中起着衬垫的作用,以减轻股骨关节面与经骨关节面的摩擦和冲击,图1。损伤原因:膝关节脂肪垫损伤,有急性和慢性之分,一股常见到的慢性损伤为多。常发生在兰球、手球、技巧、排球、体操和跳远等运动项目。因为这些运动项目的技术动作常使膝关节处在半屈位置作突然伸、屈和旋转,如兰球持球过人,排球防守中的救球等,这些动作常常使膝关节不合槽的活动,因而很容易造成这类损伤。症状与诊断:损伤后一般在膝关节伸直时出现疼痛,膝关节过仲时疼痛加重,(膝弯曲时不痛)有时感到膝关节发紧, Knee fat pad injury: Knee fat pad is located between the femur and tibia, the pad of adipose tissue, rich in blood vessels and nerves in the knee extensor, flexion play a cushion to reduce the femoral articular surface Friction and impact with the transarticular face, Figure 1. Causes of injury: Knee fat pad injury, acute and chronic points, a common chronic injury as much. Often occurs in the blue ball, handball, skills, volleyball, gymnastics and long jump and other sports. Because these sports often make knee flexion and rotation in the half flexion position, such as Lan ball ball over the ball, volleyball defensive save, etc. These actions often make knee joint activities of the groove , So it is easy to cause such damage. Symptoms and Diagnosis: Injuries usually occur when the knee is straightened, pain is worsened when the knee is overtone, knee pain is sometimes felt (knee flexion is not painful)