Bertolotti's syndrome/Dermatomes

patterns of motor weakness altered

'a dermatome gap lying significantly more ventrally'

'function of the lumbosacral nerve roots is altered in patients with a sacralized L5'

'function of lumbosacral nerve roots is altered in patients with lumbarized S1 so that the S1 nerve root serves the usual function of the L5 nerve root.'

.. and fascia spinal cord injury