functional instability

functional instability

Orthopedics A joint instability that exists when neuromuscular deficits lead to repeated episodes of instability, which may occur with/without mechanical instability; FI is associated with impairments in postural control, joint position sense, joint conduction velocity, strength. See Instability. Cf Mechanical instability.
References in periodicals archive ?
The deformity was mainly cosmetic and soldiers didn't report functional instability while engaged in high demand activities.
Athletes who had reported functional instability of one ankle were included in the CAI group.
The 15-year-old girl sister of the first patient was also examined at our outpatient clinic for occasional knee pain, swelling, and functional instability of both knees under pivot stress.
The etiology and prevention of functional instability of the foot.
INTRODUCTION: Injury to Anterior Cruciate Ligament (ACL) leading to functional instability of the knee is a common occurrence in young individuals.
This clinical or functional instability appears to be related to a loss of segmental stiffness and of mid-range control of spinal segments during motion resulting in aberrant motion (25).
(3) Surgical intervention is considered standard management of ACL rupture in the young, athletic patient with functional instability. (4-6) However, the treatment of ACL deficiency in older adults remains controversial.
Richie Jr., "Functional instability of the ankle and the role of neuromuscular control: a comprehensive review," Journal of Foot and Ankle Surgery, vol.
Four diagnostic categories and 8 subcategories in the classification system include (1) a screening category, (2) two pain categories with subcategories for Nociceptive and Neuropathic Pain, (3) a functional evaluation category, Functional Instability, and (4) a category for unknown or poorly defined diagnoses.
[4] The patient with functional instability has deficits of ankle control in postural control tasks.
Researchers investigated what contributes to this functional instability of the ankle even after the tissue was already healed completely.

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