Inner Synovial Membrane Footprint of the Anterior Elbow Capsule: An Arthroscopic Boundary

Table 3

Landmarks of the anterior humeral capsule.

	Mean	Median	SD	Range	value
Distance from ME to the apex of the capsule overlying the coronoid fossa along the TEL (mm)
Male	32.5	33.4	2.8	28.5–37.0	0.043
Female	29.8	29.7	1.7	27.7–33.7
Right	32.3	33.4	3.0	27.7–37.0	0.088
Left	30.3	29.6	2.0	28.0–34.5
Total	31.3	30.1	2.7	27.7–37.0
Proportion of TEL length from the ME to the apex of the capsule overlying the coronoid fossa (%)
Male	45.9	45.2	2.8	42.0–50.6	0.069
Female	48.2	48.7	2.3	44.9–50.9
Right	48.0	48.7	2.4	43.7–50.6	0.116
Left	45.9	45.0	3.0	42.0–50.9
Total	46.9	47.4	2.9	42.0–50.9
Distance from the ME to the capsular nadir along the TEL (mm)
Male	43.3	43.1	2.6	38.8–48.4	0.000
Female	37.1	37.3	2.3	34.3–40.4
Right	40.8	40.4	4.4	34.3–48.4	0.898
Left	40.2	41.6	3.7	34.7–46.4
Total	40.5	41.0	4.0	34.3–48.4
Proportion of TEL length from the ME to capsular nadir (%)
Male	61.2	60.9	2.4	57.7–64.7	0.456
Female	60.0	60.4	2.5	56.0–62.6
Right	60.5	59.9	2.8	56.0–64.7	0.748
Left	60.9	60.6	2.1	56.0–64.3
Total	60.7	60.6	2.4	56.0–64.7
Distance from ME to the apex of the capsule overlying the radial fossa along the TEL (mm)
Male	47.4	47.8	3.6	39.1–52.5	0.002
Female	41.9	41.5	3.3	37.8–47.6
Right	45.7	47.1	4.0	38.6–51.2	0.401
Left	44.1	44.5	4.8	37.8–52.5
Total	44.9	45.0	4.4	37.8–52.5
Proportion of TEL from ME to Apex of radial fossa (%)
Male	66.9	67.3	3.7	59.4–71.9	0.722
Female	67.7	67.9	2.6	63.1–71.8
Right	67.9	67.9	2.6	62.8–71.4	0.365
Left	66.6	67.2	3.7	59.4–71.9
Total	67.3	67.9	3.2	59.4–71.9

TEL: transepicondylar line; ME: medial epicondyle; LE: lateral epicondyle.