With both arms and elbows locked (this will prevent RSI in the operator), the operator is able to move the navicular in a circumductory
movement around the fixed talus by the operator using their body weight to initiate motion, bending their knee where necessary, thus insuring correct posture.
On examination he had uniform wasting of right sided upper and lower limb muscles with right sided facial nerve palsy of upper motor neuron type, power was 4/5 in both upper and lower limbs, he had slurring of speech, and his gait was circumductory
. There were no involuntary movements.