Weight Bearing Definitions
Non-Weight Bearing (NWB)
No weight allowed
Feather Weight Bearing (FeWB or TTWB)
Minimal weight allowed i.e. not enough to crush an eggshell under their foot
50% Weight Bearing (50%WB)
Up to half of patient’s body weight is allowed. Two crutches or a standard walker are necessary at all times
Protected Weight Bearing (PTWB or PWB)
Weight bearing as tolerated but gait aids are mandatory at all times until further follow-up with the surgeon
Weight Bearing as Tolerated (WBAT)
Patient is allowed as much weight as they feel comfortable with. Gait aid use is at the discretion of the treating physiotherapist
Please see pages 27-39 of the My Guide to Total Hip Joint Replacement.
Please see pages 24-32 of the My Guide to Total knee Joint Replacement.