In case you want to learn more about the Romberg proprioception test, here are some reference videos I found on Youtube for you:

*Clinical Examination Videos. (2018). Romberg's test/sign-Proprioception balance test. Web Search 25 July 2020. Website: https://youtu.be/H8VbKdRS-hg

*Neurosigns.org. (2017). Positive Romberg B12 deficient. Web Search 25 July 2020. Website: https://youtu.be/xpVYU1UUkDc

Production credit and ownership of the above video publications belongs to the original authors. I only provide these video links to direct you to their work (not to claim any of it as my own.).