freezing of gait

freez·ing of gait

(FOG) (frēzing gāt)
A condition that occurs in parkinsonism in which patients are unable to initiate or continue walking. Common types of FOG include: start hesitation, turning hesitation, tight quarters hesitation, and destination hesitation.
See: parkinsonism
Mentioned in ?
References in periodicals archive ?
Irish scientists have developed a device worn around the waist, which is designed to prevent or relieve the freezing of gait.
Freezing of gait (FOG) sounds like something from a nightmare: You want to move but your feet feel glued to the floor, and no amount of will or strength can move them.
Gait disorders in parkinsonism (hypokinetic-hypertonic syndrome) are short-stepped gait (marche a petit pas), retro- or ante-pulsion, which is forced stepping to falling down backwards or forwards in natural gait or to external mechanical stimuli, and freezing of gait (FOG).
The system is now being used by researchers to monitor and detect freezing of gait (FOG) in Parkinson's patients.
Approximately half of the patients with advanced stages of PD experience freezing of gait (FOG; [5]), a symptom where walking is interrupted by a brief, episodic absence, or marked reduction, of forward progression despite the intention to continue walking [3].
Freezing of gait (FoG) is a movement abnormality that presents in more advanced stages of the disease and is one of the most debilitating symptoms of PD.
Other frequent features include propulsion or retropulsion, festination, freezing of gait (FoG), and hesitancy of gait which may confer a "magnetic" character.
It is no wonder that freezing of gait and increased risk of falling [29] is associated with abnormal bilateral coordination and turning.
Another study evaluated the correlation between virtual reality-induced anxiety and freezing of gait and concluded that anxiety had a strong influence on freezing of gait (19), thus strengthening the role of the limbic system in the motor symptoms of PD (19,20).