1. Full extension and full flexion should be assessed actively, along with pronation and supination. 应该评估主动的完全伸直和完全弯曲，以及手臂内旋和外转。
2. Begin with looking at the patient from the front, for the normal carrying angle; from the side, for any flexion deformity. 从正面观察患者开始，观察正常的提携角；从侧面观察是否存在任何弯曲异常。
3. However, nonoperative treatment of the torn medial collateral ligament allows faster restoration of flexion and quadriceps muscle power. 但是，非手术治疗撕裂的内侧副韧带可以更快的恢复屈膝范围和股四头肌肌力。
英英解释
n.
1. the state of being flexed (as of a joint)
2. deviation from a straight or normal course
3. act of bending a joint; especially a joint between the bones of a limb so that the angle between the
