Shiomi, J., Takahashi, T., Imazato, S., & Yamamoto, H. (2001). Flexion of the knee increases the distance between the popliteal artery and the proximal tibia: MRI measurements in 15 volunteers. Acta Orthopaedica, 72(6), 626–628. https://doi.org/10.1080/000164701317269067