Abstract
Een warmbloed-dressuurpaard (ruin) van tien jaar oud werd aangeboden met de klacht van acute instabiliteit van het ligamentum nuchae na vrije beweging in een paddock. Op basis van de klinische presentatie, orthopedisch en neurologisch onderzoek, medische beeldvorming en elektromyografie werd cervicale neuromusculaire disfunctie van de M. obliquus capitis caudalis aan de rechterzijde van de hals vastgesteld. Conservatieve therapie met corticosteroïden in combinatie met orale supplementatie van vitamine B1 en boxrust resulteerden na zes maanden in volledig herstel.
Highlights
The vertebrate nuchal ligament is a large elastic structure in the dorsal cervical midline between the occiput, the cervical vertebrae and the cranial thoracic spinous processes, which helps to support the head and neck of the horse (Gellman and Bertram, 2002a)
Based on the clinical signs, orthopedic and neurologic examination, diagnostic imaging and electromyography, cervical neuromuscular dysfunction of the M. obliquus capitis caudalis on the right side of the neck was diagnosed
An unusual case of acute instability of the nuchal ligament is described in a tenyear-old dressage horse
Summary
The vertebrate nuchal ligament is a large elastic structure in the dorsal cervical midline between the occiput, the cervical vertebrae and the cranial thoracic spinous processes, which helps to support the head and neck of the horse (Gellman and Bertram, 2002a). The nuchal ligament consists of funicular (cord-like) and lamellar (sheet-like) parts (Dyson, 2003; Gellman and Bertram, 2002a). The caudal funicular and cranial lamellar regions contribute most to elastic strain energy storage, and the line of function is from the withers to the second cervical vertebra and not from the withers to the skull. Acute instability of the nuchal ligament has not been described before
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