<prompt> Which reflex is being tested here?Brachioradialis ReflexWaenberg signFinger flexor ReflexSupinator reflex  <response>: Finger flexor reflexHoffmanns reflex with patients hand in supination. It involves loosely holding the middle finger and flicking the fingernail downward, allowing the middle finger to flick upward reflexively. A positive response is seen when there is flexion and adduction of thumb on same hand. Brachioradialis reflex Supinator reflex: observed by striking brachioradialis directly with a reflex hammer when the patients arm is relaxing. This reflex is carried by the radial nerve spinal level: C5, C6 Waenberg sign: Neurological sign consisting of involuntary abduction of the fifth little finger, caused by unopposed action of extensor digiti minimi. 