1) Positive neurological signs (including altered reflexes, sensation and muscle power in dermatomal/myotomal or cutaneous nerve distribution) increases your index of suspicion that there is a NP component to low back related leg pain | |
2) A loss of function of small fibre testing increases your index of suspicion that there is a NP component to low back related leg pain | |
3) Allodynia and/or hyperpathia within the distribution of pain increases your index of suspicion that there is a NP component to low back related leg pain |