Measurement of the lateral deviation angle. The lateral deviation angle, which is defined as the external rotation angle of the tibial tuberosity (Fig. 3-B) relative to the transepicondylar line of the femur (Fig. 3-A), is 36°.
Ohki et al. Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology 2010 2:23 doi:10.1186/1758-2555-2-23