There are multiple definitions:

1. Balance Error Scoring System(English)

   • commonly used by researchers and clinicians to evaluate balance
   • Musculoskeletal system, Scoring systems/scales
   • https://doi.org…941738111403122

2. biportal endoscopic spinal surgery(English)

   • IELD, ODI, UBE, VAS
   • Spine (or spinal cord), Surgery
   • https://doi.org…rg.2022.1014033