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. 2015 Nov 1;12(Suppl 2):S244–S250. doi: 10.1016/j.jor.2015.10.004

Table 3.

Geissler's interosseous ligament injury classification.18

Grade Radiocarpal Joint Midcarpal view Carpal bone gap
1 Attenuation/Hemorrhage of interosseous ligament No incongruence/step off None
2 Attenuation/Hemorrhage of interosseous ligament Incongruence/step off of the carpal alignment Less than the width of the probe
3 Incongruence/step off of the carpal alignment Incongruence/step off of the carpal alignment Probe passes between the carpal bones
4 Incongruence/step off of the carpal alignment Incongruence/step off of the carpal alignment 2.7 mm arthroscope passes between the carpal bone