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Abdominal cutaneous reflex

Important for the management of Spinal Cord Injury.

The abdominal cutaneous reflex: scratching one quadrant of abdomen with a sharp object causes contraction of the underlying abdominal musculature, causing umbilicus to migrate toward that quadrant. Upper abdominal reflex: T8–9. Lower abdominal reflex: T10–12. This is a cortical reflex (i.e., reflex loop ascends to the cortex, and then descends to abdominal muscles). The presence of this response indicates an incomplete lesion for cord injuries above the lower thoracic level.

Reflex changes in Multiple sclerosis: Hyperreflexia and Babinski signs are common. Abdominal cutaneous reflexes disappear in 70–80%.

abdominal_cutaneous_reflex.txt · Last modified: 2019/10/21 22:29 by administrador