stringhalt

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stringhalt

(strĭng′hôlt′)
n.
A nervous disorder in horses characterized by spasmodic movements in the hind legs that cause the feet to rise abnormally high.

string′halt′ed adj.

stringhalt

a sporadic disease of horses due to unknown cause. Characterized by involuntary repetitive exaggerated flexion of a hock. The horse is unable to move; there is wasting of thigh muscles.

Australian stringhalt
occurs as extensive outbreaks, often following a drought and associated with the abundance of herbaceous plants, particularly Hypochoeris radicata (called also flatweed, catsear).
classical stringhalt
the sporadic irreversible, severe form of the disease as it occurs in the northern hemisphere.
Enlarge picture
Classical sporadic stringhalt in a horse. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
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