Spinal cord concussion is a variant of mild spinal cord injury, clinically designated as transient paraplegia or neurapraxia, and characterized by variable degrees of sensory impairment and motor weakness that typically resolve within 24–72 hours without permanent deficits 1) 2) 3).

1)
Del Bigio MR, Johnson GE. Clinical presentation of spinal cord concussion. Spine (Phila Pa 1976). 1989 Jan;14(1):37-40. PubMed PMID: 2913666.
2)
Zwimpfer TJ, Bernstein M. Spinal cord concussion. J Neurosurg. 1990 Jun;72(6):894-900. PubMed PMID: 2338574.
3)
Torg JS, Corcoran TA, Thibault LE, Pavlov H, Sennett BJ, Naranja RJ Jr, Priano S. Cervical cord neurapraxia: classification, pathomechanics, morbidity, and management guidelines. J Neurosurg. 1997 Dec;87(6):843-50. PubMed PMID: 9384393.