A computed tomography cadaveric study of the radiological anatomy of the patella: the size of the patella correlates with bone bridge between tunnels and R angles are introduced for safe tunnel drilling during MPFL reconstruction

Journal of Experimental Orthopaedics

Table 1 CT Measurements (preoperative and postoperative)

	R1	R2	L1 (cm)	L2 (cm)	D1-D2 (cm)	L1/2-L2 preop (cm)	Bone bridge between sutures (BBS)	Bone bridge between tunnels (BBT)
Mean	6.048	6.64	3.44	623	1.19	1.09946	0.93	0.4706
Range	4.78–7.44	4.57–9,03	3.05–4.52	0.49–0.89	0.95–1.67	0.87–1.58	0.7–0.21	0.3–0.75
SD	0.92	1.03	0.39	0.12	0.24	0.2	0.14	0.15