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cerebellar ataxia, CA, CCA A two-year-old Arabian horse with cerebellar abiotrophy, showing stiff awkward gait, and upper range of unnatural head bob. Though this horse had a relatively mild case, it could never be ridden.
Rarely, horses will show a spastic gait in the front limbs in which the leg is held in full extension or with the knee flexed, with trembling occurring in the upper limb. [2] Despite histologic changes in the cerebellum, horses with shivers do not show clinical signs typical of cerebellar disease (ataxia, intention tremors). [3]
This form of ataxia "can have many causes including cancer, autoimmune diseases, degenerative brain conditions and a large number of genetic diseases." Hereditary ataxias, such as Friedreich’s ...
Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order") is a neurological sign consisting of lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements, that indicates dysfunction of parts of the nervous system that coordinate movement, such as the cerebellum.
Wobbler disease or wobbler's syndrome is a broad category of cervical disorders in the horse, including the conditions listed above, as well as equine wobbles anemia and cervical vertebral myelopathy, spinal cord compression (sometimes referred to colloquially among horse owners as "cervical arthritis" due to the arthritis that accumulates in facets).
It is associated with cerebellar ataxia, [1] [2] when the cerebellum has been damaged and does not function to its fullest ability. Lesions to the cerebellum can cause dyssynergia, dysmetria, dysdiadochokinesia, dysarthria, and ataxia of stance and gait. [3] Dyschronometria can result from autosomal dominant cerebellar ataxia (ADCA). [4]
Horses cannot pass the disease among themselves; that is, one horse cannot contract the disease from another infected horse. The horse is a dead-end, or aberrant, host of the parasite. Although all horses are believed to be susceptible to EPM the disease is usually found in younger horses typically around three to six years of age. [2]
The slipped disc causes a pinched nerve that results in the calf cramp. And of course you can also develop a Charley horse while sleeping, and the pain may even wake you up. Charley horse risk factors