WBAT Meaning: Weight-Bearing as Tolerated, Explained

The five levels, at a glance

These are the terms that appear on discharge paperwork and in physical therapy notes. They describe load, not activity.

Status	Short form	How much weight
Non-weight-bearing	NWB	No weight at all through the limb. The foot does not touch the ground, even for balance.
Touch-down or toe-touch weight-bearing	TDWB / TTWB	The foot may rest on the floor for balance only. Think of resting it on an egg without breaking the shell.
Partial weight-bearing	PWB	A specified share of your body weight may pass through the limb — frequently expressed in pounds or kilograms rather than as a fraction.
Weight-bearing as tolerated	WBAT	As much weight as comfort allows, with you deciding in the moment and adjusting as it changes.
Full weight-bearing	FWB	No restriction on load. This is not the same as no restriction on activity.

What weight-bearing status means after surgery or a fracture

After a fracture, a repair, or a reconstruction, the tissue that is healing needs two things that pull against each other. It needs some mechanical load, because bone, tendon and cartilage all respond to being used. And it needs protection from too much load, because excessive force at the wrong stage can disturb what is knitting together.

Weight-bearing status is how a surgeon sets that balance for one person at one point in healing. It is a prescription about force, and it changes as healing progresses. A review of partial weight-bearing after lower-limb orthopedic surgery describes exactly this trade-off, and notes that hip, knee, ankle and foot procedures commonly warrant a restriction.³

It is not a comment on how well you are doing. Two people with similar injuries can be given different instructions because the repair, the bone quality, and the surgeon's judgment all differ.

The five weight-bearing levels explained, from NWB to full weight-bearing

The five levels form a ladder from no load to full load. Most people move up it in stages rather than jumping, and the level you are on is decided in person at each review.

Non-weight-bearing (NWB)

No weight at all through the limb. The foot does not touch the ground, even for balance.

Equipment usually used: Axillary crutches are the default and the cheapest. Forearm crutches suit a longer spell and people steady on their feet. A rolling walker is the choice where balance or arm strength is the limiting factor rather than the leg. For a below-knee injury where the knee bends freely, a knee scooter lets the shin rest on a padded platform and is far less tiring; a hands-free crutch that straps to the thigh does the same job and leaves both hands free. A wheelchair is a reasonable choice, not a defeat, when the upper-body demand cannot be sustained.
What gait training covers: The three-point pattern first: both crutches and the injured leg go forward together, then the sound leg swings through. Then the parts that catch people out at home — getting out of a chair without putting the foot down, turning, doorways, curbs, and carrying anything at all. On stairs the rule is that the sound leg leads going up and the crutches and injured leg lead coming down. Expect it to be hard work. In 31 healthy adults averaging 21 years old, non-weight-bearing crutch walking along a corridor measured 4.57 METs with a mean heart rate of 117 beats per minute, and 5.06 METs going up a flight of stairs⁴ — moderate exercise, in young fit people, just to cross a room.
When it is used: Early after some fractures and repairs, where any load risks displacing what is healing.

Touch-down or toe-touch weight-bearing (TDWB / TTWB)

The foot may rest on the floor for balance only. Think of resting it on an egg without breaking the shell.

What carries the rest: The limb steadies you; it does not carry you.
Equipment usually used: The same crutches or walker as non-weight-bearing. The equipment does not change here; the instruction does, which is why this level is easy to misunderstand as a relaxation of the rules rather than a different rule.
What gait training covers: Learning what almost-no-load feels like, which is harder than learning none at all. A bathroom scale gives you the sensation to copy — press down until it reads roughly the weight of your own leg and no more — and your therapist then watches whether that survives contact with walking. Put the foot down flat rather than pointing the toe: driving through the toe loads the limb far more than it looks, and the name toe-touch is misleading about exactly that.
When it is used: A step up from non-weight-bearing, often used to help balance while protecting the repair.

Partial weight-bearing (PWB)

A specified share of your body weight may pass through the limb — frequently expressed in pounds or kilograms rather than as a fraction. This is the level that is hardest to judge accurately, which the section below covers.

Equipment usually used: Two crutches or a walker to begin with, stepping down to one crutch or a cane — held in the hand opposite the injured leg, which is the part most people get wrong — as the allowance rises. The device comes away gradually rather than on a single day.
What gait training covers: Calibrating the target, then keeping it. The scale gives you a starting sensation; pressure-sensing insoles and audio or visual biofeedback do it more accurately, and trials of them report better precision without more complications.³ The harder half is transferring it to real walking, stairs and uneven ground, because standing still on a scale is a different task from loading a limb mid-stride.³ Ask your therapist to re-check the target at follow-up rather than trusting memory: adherence measured objectively is poor, worst in older and heavier patients, and repeated education is what the evidence points to as the fix.³
When it is used: A staged return to loading, where the target usually rises over several weeks.

Weight-bearing as tolerated (WBAT)

As much weight as comfort allows, with you deciding in the moment and adjusting as it changes.

What carries the rest: Whatever support you still need, reducing as comfort improves.
When it is used: Once the repair is judged stable enough that pain is a safe guide.

Full weight-bearing (FWB)

No restriction on load. This is not the same as no restriction on activity — running, jumping and sport are usually cleared separately and later.

What carries the rest: None required, though a limp may persist for a while.
When it is used: The end of the ladder, though impact activities are usually cleared separately.

The order matters more than the labels: knowing which rung you are on tells you what comes next, and knowing what comes next is usually what people actually want when they look this up.

What weight-bearing as tolerated (WBAT) actually allows

WBAT is the instruction people most often misread, in both directions.

It does not mean unlimited. It means comfort is being used as the guide, and comfort is a real limit. If putting weight through the limb produces sharp pain, that is the signal to put less through it.

It also does not mean waiting until it stops hurting. Some ache and stiffness during loading is expected, and holding back entirely slows the return of normal walking.

The practical test. Pain that eases as you move and settles afterward is usually load you can work with. Pain that sharpens with each step, or that leaves the limb more swollen and sore the next morning, means you have gone past the useful range for now.

Why judging partial weight-bearing accurately is harder than it sounds

If you have been told to put a set number of pounds through your leg, you have probably been shown the bathroom-scale method: press down until the dial reads your target, and try to remember what that felt like.

It is better than nothing, and it is not reliable. The review of current standards notes that household scales do not reproduce the demands of walking, and are associated with poor accuracy over time when compared against biofeedback devices.³ Standing still on a scale is a different task from loading a limb mid-stride.

Research has looked at giving people live feedback instead. A randomized trial in healthy older adults compared audio biofeedback against the scale method for learning a partial weight-bearing target, measuring actual load with sensor insoles across a range of activities.²

What this means for you. If your target matters, ask your physical therapist to check it with you rather than relying on memory. Ask them to watch you on stairs and on uneven ground, not only walking a corridor.

How long each weight-bearing stage lasts

There is no universal timetable, and this is the honest answer rather than a hedge. The same review found that targets and progression schedules remain surgeon-dependent and inconsistently standardized across practice.³

Timing is also an active research question. A meta-analysis of randomized controlled trials compared early against late weight-bearing after surgical fixation of ankle fractures in adults, examining both functional recovery and complication rates.¹ That the question warranted a meta-analysis tells you it is genuinely debated.

What follows from that. A timetable you read online is not evidence about your own repair. If your instruction and something you have read disagree, the instruction wins, and the question is worth asking at your next appointment rather than resolving yourself.

What happens if you load the limb too much, or too little

Too much load, too early risks disturbing the repair. That is the risk the restriction exists to manage.

Too little load, for too long has its own cost. Muscle is lost quickly when a limb is unloaded, joints stiffen, balance confidence erodes, and the return to normal walking takes longer. This is why restrictions are staged rather than simply held until healing is complete.

Both are real, which is why the instruction is specific and why it changes over time.

How weight-bearing status works differently in children

The terms are the same, and a few things differ in practice.

Children heal faster, so restricted stages are often shorter than an adult would expect for a comparable injury.

Partial weight-bearing is difficult for a young child to perform. Judging a set load through a limb requires a kind of deliberate control that most young children cannot sustain, particularly when distracted or tired. Instructions for children are therefore more often at the ends of the ladder — non-weight-bearing or as tolerated — with the equipment doing the enforcing.

Crutches need to fit and need teaching. A child on adult-height crutches will find a way around them. Time spent with a pediatric physical therapist on the stairs at home is worth more than the same time on level ground.

Expect the limp to outlast the restriction. Walking normally again is a separate piece of work from healing, and it is the part physical therapy addresses — a persistent limp after the restriction lifts is worth raising, as is any change in how a child walks such as toe walking.

When to call your surgeon about weight-bearing

Call your surgeon or clinic the same day if any of these happen

A sudden change in pain when weight goes through the limb, particularly if it was settling and then sharpened
A new noise — a click, a snap, or a grinding sensation under load
Swelling that increases rather than easing as the days pass
The limb giving way or feeling unstable
Calf pain, warmth, or swelling, which needs assessing promptly and separately
Any accidental full load during a restricted stage — a stumble or a missed step is worth reporting rather than watching

If you are unsure which level you are on, or your paperwork and your memory disagree, call and ask. It is a short conversation and it is the whole basis of your recovery.

Frequently Asked Questions

Does WBAT mean I can walk normally?

Not immediately. It means load is limited by comfort rather than by a set figure, so most people build up over days rather than switching straight to normal walking. Support is often still needed at first, and a limp can persist after the restriction lifts — that part is usually addressed by physical therapy rather than by time alone.

Why did my status change at my appointment?

Because it is meant to. Weight-bearing status is staged and reviewed as healing progresses, so moving from non-weight-bearing to partial, or from partial to as tolerated, is the expected path rather than a surprise. The change is based on how your repair looks at that point, which is why it is decided in person.

Can I shower or drive while non-weight-bearing?

Both depend on which limb is involved and what else was done, so they are questions for your own surgical team. Showering usually needs a plan for keeping a dressing or cast dry and for not needing the limb to steady yourself. Driving is a separate clearance and is not implied by any weight-bearing status.

What is the difference between toe-touch and partial weight-bearing?

Toe-touch allows the foot to rest on the ground for balance only, carrying essentially no load. Partial weight-bearing allows a specified share of your body weight through the limb. Toe-touch is the more restrictive of the two, and the foot touching the floor is what makes it easy to confuse with light partial loading.

What does NWB mean on my discharge paperwork?

NWB is non-weight-bearing: no load at all through that limb, and the foot does not touch the ground even for balance. Crutches, a walker or a knee scooter carry you instead. It is the most restrictive of the five levels and is usually used early, where any load risks disturbing what is healing.

How much weight is partial weight-bearing?

Whatever figure your surgeon specified, which is why the instruction is given in pounds or kilograms rather than as a fraction. There is no standard amount. A review of current standards found targets and progression schedules remain surgeon-dependent and inconsistently standardized, so a number you read elsewhere is not evidence about your own repair.

How do I know if I am putting the right amount of weight through my leg?

Not reliably by memory, which is the honest answer. The bathroom-scale method is better than nothing, but household scales do not reproduce the demands of walking and are associated with poor accuracy over time compared against biofeedback devices. Ask your physical therapist to check your target with you, and to watch you on stairs and uneven ground rather than only along a corridor.

Can I put weight on my leg if it does not hurt?

Only if your instruction allows it. Weight-bearing status is a prescription about force, not about comfort, and the absence of pain does not mean the repair is ready for load. If your paperwork says non-weight-bearing or a set partial figure, that stands regardless of how the limb feels.

What happens if I accidentally put weight on a non-weight-bearing leg?

Report it rather than watch it. A single stumble or missed step often causes no harm, but whether it did depends on what was repaired and how far through healing you are, and only your surgical team can judge that. Call the clinic and describe what happened.

How long will I be non-weight-bearing?

There is no universal timetable, and that is the accurate answer rather than a hedge. Progression is decided in person at each review based on how your repair looks, and timing is still an active research question — early versus late weight-bearing after ankle fracture fixation has warranted its own meta-analysis of randomized trials.

Is weight-bearing status different for children?

The terms are the same, but partial weight-bearing is difficult for a young child to perform, because judging a set load takes deliberate control most young children cannot sustain when tired or distracted. Instructions for children therefore tend to sit at the ends of the ladder — non-weight-bearing or as tolerated — with equipment doing the enforcing. Children also heal faster, so restricted stages are often shorter.

Why do I still limp after being cleared for full weight-bearing?

Because walking normally again is a separate piece of work from healing. Full weight-bearing removes the restriction on load; it does not restore the muscle, the joint range or the movement pattern that were lost while the limb was protected. That part is what physical therapy addresses, and a limp that persists is worth raising rather than waiting out.

Sources

Egu C, Akil S, Hakim A, et al. Early vs Late Weight Bearing After Ankle Fracture Fixation: A Meta-analysis of Randomized Controlled Trials. Foot & Ankle International; 2025. doi:10.1177/10711007251392223. DOI verified at Crossref; abstract read at Europe PMC.
von Aesch A, Häckel S, Kämpf T, et al. Audio-biofeedback versus the scale method for improving partial weight-bearing adherence in healthy older adults. European Journal of Trauma and Emergency Surgery; 2024. doi:10.1007/s00068-024-02609-5. DOI verified at Crossref; abstract read at Europe PMC.
Kunz EM, Foster DT, Tehrany PM, Sedigh A, Kachooei AR. Partial Weight-Bearing after Lower Extremity Surgery: A Review of Current Standards, Innovations, and Patient Adherence. Archives of Bone and Joint Surgery; 2026. PMID 42005418. Verified at Europe PMC — this DOI is not registered at Crossref.
Moran J, Murphy A, Murphy D, et al. The energy expenditure of non-weight bearing crutch walking on the level and ascending stairs. Gait & Posture. 2015;42(1):23–26. PMID 25891530. 31 healthy adults, mean age 21.6 years, mobilizing non-weight-bearing on elbow crutches along a 30 m corridor and up a flight of 13 stairs, with energy expenditure measured by indirect calorimetry. Level-ground crutch walking measured VO2 16.4 ml/kg/min and 4.57 METs with a mean heart rate of 117.06 bpm; stair climbing measured 17.85 ml/kg/min and 5.06 METs. The authors note that the increased energy demands should be considered by physical therapists when instructing patients on crutch use.

Disclaimer. This page is for general educational purposes and does not constitute medical advice, diagnosis, or treatment. Follow the weight-bearing instruction given by your own surgical team.

WBAT and the Weight-Bearing Ladder: NWB, TTWB, PWB and FWB