The term thalamic hand refers to a postural anomaly of the hand.
Clinical Presentation
In thalamic hand, there is pronation of the forearm, flexion of the hand and fingers at the metacarpophalangeal joint as well as extension of the fingers at the other joints with involuntary motor restlessness due to reduction of proprioception.
Figure
Illustration of a thalamic hand. Adapted from Franzini A. et al. 2000.
Etiology
The cause of thalamic hand is presumed to be a dysfunction in the thalamocortical connections[^1].
Thalamic hand
Illustration of a thalamic hand. Adapted from Franzini A. et al. 2000.