Fig. (3) Neurological patient presentation based on Frankel scale. Grade A: Complete neurological injury with no motor or sensory function clinically detected below the level of the injury. Grade B: Preserved sensation only; no motor function clinically detected below the level of the injury; sensory function remaining below the level of the injury but may include only partial function. Grade C: Preserved motor non-functional. Grade D: Useful motor function below the level of the injury; patient can move lower limbs and walk with or without aid but does not have a normal gait or strength in all motor groups. Grade E: Normal motor functioning.