X-ray
Frontal
Lateral
Scapholunate angle 73.78°: intersection of a line drawn parallel to the long axis of the scaphoid and a line drawn perpendicular to the AP axis of the lunate. Normal range between 30-60º.
Capitolunate angle 10.92°: intersection of a line drawn parallel to the long axis of the capitate and a line drawn perpendicular to the AP axis of the lunate. It should measure less than 30º in resting position.