🧠Wartenberg’s thumb adduction sign🧠 ✔️with the patient's hand supinated, examiner interlocks fingers with patient, pulls against resistance ✔️Pathological response: Involuntary thumb flexion/adduction ✔️Indicates Corticospinal tract lesion 💡Note💡 Multiple “Wartenberg’s signs/reflexes” exist in neurology, they’re all attributed to Robert Wartenberg (a German-American neurologist who described many clinical signs): ✔️Wartenberg’s sign (little finger abduction) ✔️Wartenberg’s finger flexor refl

Wartenberg's Sign

Clinical Nurse on Instagram: "1. Hoffman Sign What it checks: Upper motor neuron lesion (UMN lesion) — often in cervical spinal cord compression or brain pathology. How to do: Hold the patient’s middle finger. Flick the nail or distal phalanx downward. Watch for reflex response. Positive Hoffman: Thumb flexes Index finger flexes This suggests corticospinal tract dysfunction. --- 2. Wartenberg Sign What it checks: Ulnar nerve palsy. How to do: Ask the patient to keep all fingers close together. O