Postural instability

Postural Instability

Postural instability (pronunciation: pos-chur-al in-sta-bil-i-ty) is a medical term that refers to the inability to maintain a stable and balanced upright position. It is often associated with a variety of neurological and musculoskeletal conditions.

Etymology

The term "postural instability" is derived from the Latin words "postura" meaning position and "instabilitas" meaning instability.

Definition

Postural instability is characterized by a person's inability to maintain or control their body position in space, whether standing or sitting. This can result in a higher risk of falls and injuries. It is often a symptom of various neurological disorders such as Parkinson's disease, Multiple Sclerosis, and Cerebellar Ataxia.

Symptoms

Symptoms of postural instability may include frequent falls, difficulty standing or sitting upright, and a tendency to lean or sway while standing or walking. Other symptoms may include difficulty turning or changing direction, a wide-based gait, and difficulty maintaining balance when distracted or multitasking.

Causes

Postural instability can be caused by a variety of conditions, including:

• Neurological disorders: Conditions such as Parkinson's disease, Multiple Sclerosis, and Cerebellar Ataxia can cause postural instability.
• Musculoskeletal conditions: Conditions that affect the muscles, bones, and joints, such as arthritis and osteoporosis, can also cause postural instability.
• Vestibular disorders: Disorders of the inner ear and balance system, such as Meniere's disease, can cause postural instability.

Treatment

Treatment for postural instability typically involves addressing the underlying cause. This may include medication, physical therapy, and balance training exercises. In some cases, assistive devices such as canes or walkers may be recommended to help maintain balance and prevent falls.

Related Terms

• Balance disorder
• Gait disorder
• Proprioception
• Vestibular system

External links

• Medical encyclopedia article on Postural instability
• Wikipedia's article - Postural instability

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