Robust Motion In-betweening
This is where they presented the dataset LAFAN1.

In the BeyondMimic paper, they use that dataset, retargeted for the unitree H1
Related
Citation
(Harvey et al., 2021)
Harvey, F. G., Yurick, M., Nowrouzezahrai, D., & Pal, C. (2021). Robust Motion In-betweening. https://arxiv.org/pdf/2102.04942