Marked stiffness of the neck caused by spasm of the muscles in the neck and spine.
Neck rigidity is an important clinical sign of meningitis (inflammation of the membranes covering the brain and spinal cord).
Severe neck rigidity may cause the head to arch backwards, especially in babies.
Sti?ness, resistance to movement. The term is often used in NEUROLOGY – for example, limb rigidity is a sign of PARKINSONISM. Smooth rigidity is described as being ‘plastic’ and jerky rigidity as ‘cogwheel’.... rigidity
A condition in which the head is twisted to one side. It may be caused by the contraction of a scar, such as that resulting from a burn or by paralysis of some of the muscles; as a result of injury at birth; or trauma to the area later in life. Treatment is by an orthopaedic collar, heat or ULTRASOUND, or PHYSIOTHERAPY. Sometimes a local injection of BOTULISM toxin will produce temporary relief. Rarely, surgery is necessary. (See also MUSCLES, DISORDERS OF – Cramp; SPASMODIC TORTICOLLIS.)... wry-neck
a primitive reflex that is present from birth but should disappear by six months of age. If the infant is lying on its back and the head is turned to one side, the arm and leg on the side to which the head is turned should straighten, and the arm and leg on the opposite side should bend (the ‘fencer’ position). Persistence of the reflex beyond six months is suggestive of *cerebral palsy.... asymmetric tonic neck reflex