[Simple examination of spastic movement disorders of the lower limbs in the infant age].

In 334 children active dorsiflexion of the feet was tested in order to screen for spasticity of the lower limbs. The conditions were: 1. The child lying supine. 2. The head turned actively and if this is not possible passively to the side of the examined foot. 3. Passive extension of the child's hip and knee of the examined side by the examinator. 4. Stimulation of the skin at the lateral and lower part of the shin, or the dorsum pedis or the anterior part of the toes and the planta pedis to provoke active dorsiflexion of the foot. Stimulation is done by the fingers of the examinator or by a slight touch with an ordinary handbrush. Dorsiflexion of the foot is graded "normal" if it surpasses 90--100 degrees, "suspicious" if it only reaches 90 degrees and "pathologic" if 90 degrees cannot be reached or if this can be done only on the medial side or if there is constant clawing of the toes even with sufficient dorsiflexion. We have examined 334 children; 260 of these were younger than one year. The results of this kind of stimulated dorsiflexion of the foot were compared with the results of the usual extensive neurological examination with regard to spasticity of the lower limbs (see literature) and with both of VOJTA's most sensible postural reactions. The following conclusions are drawn: 1. Spasticity of the lower limbs can be excluded with a high degree of probability when dorsiflexion of the feet is graded "normal". 2. If the dorsiflexion is graded "suspicious" or "pathologic" a more thorough neurological examination is warranted and if necessary short-term controls. 3. The results of this examination are in good agreement with the one of VOJTA's most sensitive postural reactions to indicate spasticity of the lower limbs.