Spinal trauma and hyperreflexia

[MudPhud20XX]

---

Members don't see this ad.

So why is spinal trauma followed by hyperreflexia below level of trauma? B/c of the loss of upper motor neuron? I don't get this though.... Can anyone enlighten me?
Many thanks.

 

[Psai]

UMN are inhibitory. Lose upper motor neurons -> lose inhibition -> hyperreflexia