Scapholunate angle

Last revised by Andrew Murphy on 22 Mar 2021

The scapholunate angle is the angle between the long axis of the scaphoid and the mid axis of the lunate on sagittal imaging of the wrist. In a normal situation, it should be between 30 and 60o in the resting (neutral) position.

The scapholunate angle is abnormal in carpal instability:

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Cases and figures

  • Figure 1
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  • Figure 2: normal wrist
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  • Figure 3: dorsal intercalated segment instability
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  • Figure 4: volar intercalated segment instability
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