There are multiple definitions:

1. pylon forefoot rocker(English)

2. peak filling rate(English)

   • parameter used to evaluate LV diastolic function
   • PER, CCW, CW, DSW, LVEF, PFR/LVEDV, PVL, SW, CABG, EVCPP, FF, LITA, LVA, sLVA
   • Cardiology, Bioengineering, Physiology
   • https://doi.org…ard.2018.12.046
   • https://doi.org…1748-004-0053-8

3. posterior femoral roll-back(English)

   • ACL, DKB, UKA
   • Orthopedics, Anatomy