Stringhalt's description includes which motor feature?

Stringhalt's description includes which motor feature?

• A. Myoclonic affliction of one or both hind limbs seen as spasmodic overflexion
• B. Inability to extend the hind limb
• C. Persistent lameness of the forelimbs
• D. Painful swelling of the stifle

Answer: (A)

Stringhalt manifests as sudden, involuntary muscle contractions in the hind limbs, a myoclonic phenomenon that produces spasmodic overflexion of one or both hind limbs during movement. This brisk, brief flexion represents the hallmark motor feature described, distinguishing it from issues that involve extending inability, forelimb lameness, or joint swelling. In stringhalt, the limb doesn’t fail to extend due to a joint or limb failure; rather, it undergoes abrupt, repetitive flexion contractions. So the best description is the hind limb myoclonic contractions with spasmodic overflexion.

Stringhalt manifests as sudden, involuntary muscle contractions in the hind limbs, a myoclonic phenomenon that produces spasmodic overflexion of one or both hind limbs during movement. This brisk, brief flexion represents the hallmark motor feature described, distinguishing it from issues that involve extending inability, forelimb lameness, or joint swelling. In stringhalt, the limb doesn’t fail to extend due to a joint or limb failure; rather, it undergoes abrupt, repetitive flexion contractions. So the best description is the hind limb myoclonic contractions with spasmodic overflexion.