A simple method for assessing abduction of the thumb.
A simple method of assessing thumb-web contracture by fitting an appropriate precalibrated triangular wooden disc in the gap between the first and second metacarpal is described. Abduction of the thumb in the plane of the palm can also be measured in a similar manner using a different set of discs.
D000886:Anthropometry / Q000295:instrumentation*; D003286:Contracture / Q000175:diagnosis*; D006801:Humans; D013933:Thumb / Q000033:anatomy & histology*