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. 2006 Dec 2;16(6):803–812. doi: 10.1007/s00586-006-0264-z

Table 2.

Observed range of motion N = 112

Restrictiona No restriction
Flexion 19 93
Extension 18 94
Right lateral flexion 24 88
Left lateral flexion 19 93

aObserved restricted flexion is <60°, restricted extension is <25°, and restricted lateral flexion is <30°