Partial Weight-Bearing Exercises: PWB Recovery and Progression Guide

Partial weight-bearing (PWB) is the bridge between being completely non-weight-bearing (NWB) and returning to full weight-bearing (FWB). It's a critical phase where your healing structures are tested with gradually increasing loads, and where smart exercise choices can accelerate your recovery.

Understanding Partial Weight-Bearing

What PWB Means

Partial weight-bearing allows a percentage of your body weight through the healing leg:

Toe-touch weight-bearing (TTWB): ~10-20% body weight (just for balance)
Partial weight-bearing: Typically 25-50% of body weight
Weight-bearing as tolerated (WBAT): As much as comfortable, progressing to full

How to Know How Much Weight

Bathroom Scale Method:

Stand on bathroom scale on good leg
Gradually add pressure through healing leg
Watch the scale reading
50% PWB for a 150 lb person = 75 lbs on the scale

Practice this at home to calibrate your weight distribution.

Common PWB Prescriptions

| Status | Weight Allowed | Typical Duration | |--------|----------------|------------------| | TTWB | 10-20% | 1-2 weeks | | 25% PWB | 25% | 2-4 weeks | | 50% PWB | 50% | 2-4 weeks | | 75% PWB | 75% | 1-2 weeks | | WBAT | Progress as tolerated | Until full |

Your orthopedic surgeon will specify your exact restrictions and progression timeline based on healing.

The PWB Phase: What's Happening

Why PWB Matters for Healing

Wolff's Law: Bone responds to load by becoming stronger
Tendon/ligament healing: Controlled stress promotes organized healing
Cartilage health: Requires loading for nutrition
Muscle reactivation: Begin recruiting muscles that have been inhibited

Challenges of the PWB Phase

Figuring out how much weight is "partial"
Gait retraining (avoiding compensation patterns)
Managing swelling with increased activity
Building confidence in the healing limb
Preventing setbacks from doing too much

Exercise Goals During PWB

Primary Goals

Normalize gait pattern as PWB increases
Reactivate muscles that atrophied during NWB
Restore range of motion in stiff joints
Build strength progressively in healing limb
Maintain overall fitness in rest of body

What You Can Add (vs. NWB)

Standing exercises with partial weight on healing leg
Pool exercises (water reduces weight-bearing)
Weight shifts and balance activities
Controlled strengthening of affected limb
Walking progression (gait training)

Gait Training: Walking Properly on PWB

Common PWB Walking Mistakes

Too much weight too fast

Causes pain and swelling
May stress healing structures
Sign: Limping, needing to rest frequently

Not enough weight (protective)

Delays healing adaptation
Creates abnormal gait patterns
Sign: Barely touching foot down when should be loading more

Hiking hip instead of loading

Compensation pattern
Causes hip/back pain
Sign: Shoulder drops on stance side

Proper PWB Gait Pattern

Heel strike on affected foot (if allowed)
Distribute prescribed weight through foot
Roll through foot to toe-off
Push off with assistance from crutch/cane
Maintain upright posture (no leaning away)

Walking Aids Progression

Two Crutches (Early PWB)

Both crutches and affected leg move together
Weight distributed between crutches and leg

One Crutch/Cane (Later PWB)

Cane in opposite hand from affected leg
Cane and affected leg step together
Cane takes some weight during stance

No Aids (Approaching FWB)

Only when you can walk without limp
No pain with full weight
Confidence in limb

Pool Exercises: Your PWB Secret Weapon

Water reduces weight-bearing based on depth:

Chest deep: ~10% body weight
Waist deep: ~50% body weight
Knee deep: ~90% body weight

Pool Walking Progressions

Deep Water (Chest)

Walk normally with buoyancy
Focus on normal gait pattern
10-15 minutes

Mid Water (Waist)

More weight through legs
Controlled steps
10-15 minutes

Shallow Water (Knee)

Near-normal weight
Preparation for land
5-10 minutes

Pool Strengthening

Marching

Lift knees alternately
Progress depth over weeks

Hip Circles

Standing on one leg
Circle other leg in water
Both directions

Squats

Partial squats in water
Depth depends on PWB level
Progress depth as allowed

Lateral Walking

Sidestep in water
Good for hip strengthening
Both directions

Backward Walking

Walk backward in pool
Excellent for quad activation
Start in deeper water

Land-Based Exercises by PWB Level

Early PWB (25-50%): Weight Shifts and Balance

Weight Shifts (Side to Side)

Stand in parallel bars or between two chairs
Shift weight toward affected leg
Only shift allowed percentage
Hold 5 seconds
Return to center
10 reps, 3 sets

Weight Shifts (Forward/Back)

Same setup
Shift weight forward onto toes
Then back onto heels
Maintain PWB percentage
10 reps, 3 sets

Single-Leg Stance (Uninjured)

Stand on uninjured leg
Hold for balance training
30-60 seconds, 3 sets

Heel Raises (Bilateral, PWB)

Both feet on ground
Rise onto toes with PWB on affected side
Lower slowly
15 reps, 2-3 sets

Mid PWB (50-75%): Beginning Strengthening

Mini Squats

Stand with support available
Squat to quarter depth
Distribute weight per PWB status
12 reps, 3 sets

Step Touches

Step affected leg out to side
Touch down with PWB
Return to center
10 each direction, 2 sets

Sit-to-Stand (Assisted)

Sit in chair, feet flat
Stand using both legs + arms
Progress to less arm assistance
10 reps, 3 sets

Terminal Knee Extension

Stand with roll under knee
Straighten knee, pressing into roll
Great for quad activation
15 reps, 3 sets

Standing Hip Exercises (PWB)

Hip flexion (lift knee)
Hip extension (leg back)
Hip abduction (leg to side)
Use support, stay within PWB on stance leg
15 reps each direction, 2 sets

Late PWB (75%+): Strength and Function

Full Squats (Bilateral)

Squat to comfortable depth
Normal weight distribution
12 reps, 3 sets

Step-Ups (Low Step)

Start with 4-6 inch step
Step up with affected leg
Lower controlled
10 reps, 2-3 sets

Heel Raises (Single Leg, Assisted)

Rise onto toes on affected leg
Use fingertip support for balance
12 reps, 2-3 sets

Lunges (Stationary, Shallow)

Step forward with affected leg
Shallow bend—not deep yet
10 reps each leg, 2 sets

Balance Training

Single-leg stance on affected leg
Progress from eyes open → eyes closed
Progress from stable → unstable surface

Cardio During PWB

Pool Cardio (Best Option)

Deep water running with belt
Swimming (if wound healed)
Water aerobics
20-40 minutes

Land-Based Options

Stationary Bike

Often allowed during PWB
Start with minimal resistance
Progress as tolerated
15-30 minutes

Arm Bike

Still excellent
No leg stress at all
20-30 minutes

Walking

With appropriate assistive device
Progress distance gradually
Focus on quality over quantity

Maintaining Upper Body and Core

Continue training everything else while progressing the affected leg:

Upper Body

All exercises from NWB phase remain appropriate:

Seated presses, rows, curls, extensions
Standing exercises (as balance allows)
Push-ups, pull-ups, etc.

Core

Continue comprehensive core training:

Planks, side planks
Dead bugs, bird dogs
Bridges (progressing to more challenge on affected side)

Uninjured Leg

Keep training it hard—you've built good strength during NWB that you don't want to lose.

Sample PWB Workout Programs

Early PWB Program (Week 1-2)

Day 1: Upper Body + Gait

Warm-up: 5 min arm bike
Shoulder press: 3×10
Rows: 3×12
Chest press: 3×12
Weight shifts: 3×10 each direction
Walking practice: 5-10 min

Day 2: Pool Session

Pool walking (chest deep): 15 min
Pool marching: 3×10
Pool squats: 3×10
Hip circles: 2×10 each direction

Day 3: Core + Leg Maintenance

Dead bug: 3×10
Glute bridge: 3×12
Side plank: 3×20 sec
Quad sets (affected): 3×20
SLR (affected): 3×15
Calf raises (bilateral): 3×15

Mid PWB Program (Week 3-4)

Day 1: Lower Body Focus

Warm-up: 5 min bike
Mini squats: 3×12
Step touches: 2×10 each
Sit-to-stand: 3×10
Terminal knee extension: 3×15
Standing hip exercises: 2×15 each direction

Day 2: Upper Body + Cardio

Warm-up: 5 min bike
Full upper body workout
Cardio: 20 min bike or pool

Day 3: Pool Session

Pool walking (waist deep): 15 min
Lateral walking: 3×1 min
Backward walking: 3×1 min
Pool squats: 3×12
Hip exercises: 2×15 each

Day 4: Core + Balance

Comprehensive core circuit
Single-leg balance (uninjured): 3×45 sec
Weight shifts: 3×15
Walking practice: 15 min

Late PWB Program (Week 5-6)

Day 1: Lower Body Strength

Warm-up: 10 min bike
Squats: 3×12
Low step-ups: 3×10
Romanian deadlifts: 3×12
Single-leg calf raises (assisted): 3×12
Lunges (shallow): 2×10

Day 2: Upper Body

Full upper body workout (progression)

Day 3: Cardio + Core

Bike: 25-30 min
Pool session: 20 min
Core circuit

Day 4: Balance + Function

Single-leg balance (affected): progress time
Step training
Agility ladder (modified)
Walking practice without aid (if cleared)

Red Flags: When to Stop and Call Your Doctor

Stop exercising and contact your provider if you experience:

Significant increase in pain
Swelling that doesn't improve with elevation
Giving way or instability in the joint
Clicking, locking, or catching
Inability to bear previously tolerated weight
Signs of infection (redness, warmth, drainage, fever)

Tips for Successful PWB Progression

1. Use a Scale

Practice at home with a bathroom scale to calibrate your weight distribution. Check periodically to ensure accuracy.

2. Ice After Activity

Increased activity often increases swelling. Ice for 15-20 minutes after exercise sessions.

3. Elevate When Resting

Prop leg up above heart level during rest periods to manage swelling.

4. Don't Skip Assistive Devices

Using a cane or crutches appropriately isn't weakness—it's smart protection while healing.

5. Quality Over Quantity

Walking well for 10 minutes beats limping for 30 minutes. Focus on good mechanics.

6. Communicate With Your PT

If you have physical therapy, coordinate your exercises. Don't duplicate or contradict their program.

The Transition to Full Weight-Bearing

Signs You're Ready

Can walk without limp at current PWB level
No significant pain with activity
Swelling controlled
Confidence in limb stability
Cleared by surgeon/provider

First Days of FWB

May still use cane for confidence
Build up walking distance gradually
Continue strengthening exercises
Progress to more demanding activities

What Full Recovery Looks Like

Walking normally without aids
Symmetrical strength
Full range of motion
Return to desired activities
No pain with activity

Timeline varies greatly by injury/surgery—from weeks to months post-FWB.

The Bottom Line

Partial weight-bearing is your opportunity to actively participate in healing. Unlike NWB where you're mostly protecting, PWB lets you stimulate bone, muscle, and tissue adaptation through controlled loading.

The keys to success:

Know your exact PWB prescription and follow it
Use pool therapy extensively—it's invaluable
Progress gait quality before quantity
Continue training everything else
Communicate with your medical team

Every step you take with proper form, every pool session, every strengthening exercise brings you closer to full recovery. Trust the process and stay consistent.