@clinician.insight: 🧠 Can You Name This Neurological Sign? 👀 A sudden dorsiflexion of the foot is followed by repeated, rhythmic contractions of the ankle. What is this sign called? A) Babinski sign B) Ankle clonus C) Fasciculation D) Tremor 💡 Answer: B — Ankle Clonus Ankle clonus is a series of rhythmic, involuntary plantarflexion beats triggered by rapidly dorsiflexing the ankle and maintaining the stretch. 🧠 What does it suggest? Sustained clonus is a classic sign of upper motor neuron (UMN) dysfunction, reflecting increased excitability of the stretch reflex pathway and often involving the corticospinal tract. 🔍 How to elicit it: 1️⃣ Relax the patient's leg 2️⃣ Rapidly dorsiflex the foot 3️⃣ Maintain pressure in dorsiflexion 4️⃣ Observe for rhythmic beats 📌 Exam pearl: Clonus + hyperreflexia + spasticity → Think UMN lesion ⚠️ A few transient beats can occur in some healthy individuals; sustained clonus is more suggestive of pathological hyperreflexia and should be interpreted with the rest of the neurological examination. 🎓 Medical education only. #AnkleClonus #Clonus #Neurology #NeurologicalExamination #UMN #UpperMotorNeuron #ClinicalSigns #NeuroExam #Pediatrics #MedicalEducation #MedStudent #MedicalStudents #MedInstagram #DoctorInstagram #NeurologyTok #ClinicalSkills #Medicine #MedicalReels #LearnMedicine #MedicalQuiz

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Tuesday 11 August 2026 08:56:23 GMT