Cervical Myelopathy - Inverted Brachioradialis Reflex : The fingers flex when the radius is tapped, but there is no reflex contraction in brachioradialis. The triceps jerk is brisk. This is because the lower motor neurones and pyramidal tracts are damaged at the C5–6 level, producing lower motor neurone signs at that level and upper motor neurone signs below. Common causes of Cervical Myelopathy include Cervical Spondylosis, Cervical cord compression due to tumor, abscess, Trauma to cervical spi