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Beginner Knee Rehabilitation Post-Fracture

Published: July 26, 2026Updated: October 6, 2026

A 15-week beginner rehabilitation program for post-fracture knee recovery, incorporating balance pads, barbells, foam rollers, and tennis balls.

Quick summary

Professional rehabilitation program designed for effective recovery and pain management.

Medically reviewed by WellAlly Editorial TeamLast reviewed October 6, 2026Editorial policy

Key facts at a glance

Body part
lower-limb · knee
Injury type
post-fracture
Level
beginner
Duration
15
Sessions/week
2
Minutes/session
45
Evidence level
moderate
ICD-10
S83
Cost tier
moderate

Program Overview This is a 15-week, beginner-level knee rehabilitation guide for someone recovering from a knee fracture. You will train two sessions per week, about 45 minutes each, using a balance pad, barbell, foam roller, and tennis ball. The program blends progressive strengthening, gentle joint mobility, balance training, and optional supervised therapies to help you rebuild strength, movement, and confidence in your knee.

Who This Program Is For and Its Goal This guide suits people early in recovery after a knee fracture who have been cleared to begin structured rehabilitation and are new to exercise-based rehab. The goal is to gradually restore knee range of motion, quadriceps and hamstring strength, balance, and everyday function over 15 weeks. It works best alongside your physical therapist, who can confirm each phase is safe for you.

Before You Start Have your clinician confirm your fracture is stable enough for this program and review your equipment setup. Clear space for balance work, and keep a chair or counter nearby for support. Ask your therapist to demonstrate patellar taping and any electrical stimulation, since those should be supervised. Have your brace or assistive device instructions handy, and start each session feeling rested.

Safety Notes and When to Stop Follow any precautions from your care team, including keeping a neutral spine and avoiding overloading the knee. Stop and call your clinician if you feel sharp or worsening pain, sudden swelling, new giving-way or instability, numbness or tingling, or calf pain and tightness. These signs can matter after a fracture, so do not push through them; report them promptly to your therapist or doctor instead of continuing on your own.

Weekly Structure Plan for two sessions each week for 15 weeks, about 45 minutes per session. Early weeks focus on gentle motion, swelling control, and light muscle activation. Middle weeks add progressive resistance to the quadriceps and hamstrings plus balance work. Later weeks build endurance and more challenging balance tasks. Your therapist decides when you move forward based on how your knee responds.

How the 15-Week Plan Is Organized The plan moves through stages: protection, early mobility, range of motion, and early strengthening, each guided by clear criteria rather than fixed dates. You use the balance pad and tennis ball for balance and soft-tissue work, the foam roller for gentle muscle care, and the barbell for controlled strengthening once approved. Aquatic therapy may support early weight bearing and motion, and electrical stimulation may help quadriceps activation under supervision. Sessions stay at a comfortable, steady effort.

What a Typical Session Looks Like Each session follows a simple pattern: a warm-up to prepare the knee, main work that may include strengthening, mobility, balance, and taping or stimulation as directed, then a cool-down to settle things down. Your therapist adjusts the mix depending on your phase. Keep the effort moderate and stop short of pain, especially as loads increase.

Warm-Up, Main Work, and Cool-Down Warm up with gentle knee bending and straightening, easy cycling if available, and light foam rolling around the thigh, avoiding the fracture site. Main work may pair controlled barbell or bodyweight strengthening with balance-pad stands and tennis-ball soft-tissue rolling. Cool down with slow stretching, relaxed breathing, and elevating the leg if swollen. Keep movements smooth, keep your spine neutral, and avoid overloading.

Tracking Progress Note your pain, swelling, and what you could do each session so your therapist can see trends. Progression points rely on signs like less extension lag, improving knee bend, steady single-leg balance, and pain-free movement. Your clinician may also use scored questionnaires and functional tests such as hop distance or strength measures to confirm you are ready for the next phase, so bring your notes to visits.

How Progression Criteria and Outcome Measures Are Used Your therapist compares your knee to the checklist for each phase, such as reaching a comfortable knee bend, achieving full straightening, and balancing steadily, before advancing you. Outcome measures like the Lysholm, IKDC, and KOOS questionnaires, hop testing, and strength indices track change over time. These tools guide decisions but do not replace clinical judgment, so progression is confirmed by your therapist, not by dates alone.

Recovery and Self-Care Between sessions, rest enough, keep the leg elevated when swollen, and follow your clinician's advice on ice and activity. Stay active within comfort, keep a neutral spine during exercises, and avoid sudden increases in loading. Use the tennis ball or foam roller gently on muscles, not over the fracture or painful areas. Good sleep, hydration, and pacing support healing, and tell your care team about any new symptoms.

Pain Management Cautions and Red Flags Use pain as a guide: mild, manageable discomfort is common, but sharp pain, rising swelling, or a knee that feels unstable means stop and check in. Do not self-adjust medications; ask your doctor or pharmacist. Seek prompt care for severe pain, calf swelling or redness, fever, numbness, or inability to bear weight. These could signal problems needing urgent review, so do not wait.

Recovery phases

Week 1Protection Phase

Full extension lag less than 10 degrees with quadriceps activation,Passive knee flexion to 45 degrees without pain,Weight bearing as tolerated with assistive device,No active knee effusion or minimal swelling,MCL/LCL tenderness significantly reduced,Patella mobility within normal limits

→ Advance to: Early Mobility Phase

Week 2Early Mobility Phase

Passive knee flexion to 75 degrees,Active knee extension to 0 degrees achieved,Quadriceps contraction with patella tendon palpable,Tibiofemoral joint stability maintained,Meniscal loading test negative for sharp pain,Cartilage tolerance to low-grade mobilizations

→ Advance to: Range of Motion Phase

Week 3Range of Motion Phase

Passive knee flexion to 90 degrees,Full active knee extension achieved,Patellofemoral tracking pain-free,MCL/LCL stress tests stable,Hamstring flexibility within 20% of contralateral side,Quadriceps lag less than 5 degrees

→ Advance to: Early Strengthening Phase

Week 4Early Strengthening Phase

Passive knee flexion to 110 degrees,Isometric quadriceps contraction holding 10 seconds,Active knee flexion to 90 degrees against gravity,ACL/PCL protection with closed chain exercises only,Meniscus protection with avoided deep flexion positions,Single leg stance 30 seconds without instability

→ Advance to: Strengthening Phase I

Week 5Strengthening Phase I

Passive knee flexion to 120 degrees,Quadriceps strength 3/5 against resistance,Hamstring curl 50% of contralateral side,Patella able to tolerate terminal knee extension,Cartilage tolerance to progressive loading,MCL/LCL tolerance to valgus/varus stresses

→ Advance to: Strengthening Phase II

Week 6Strengthening Phase II

Full passive knee flexion achieved,Quadriceps strength 3+/5 against resistance,Closed chain knee extension to 45 degrees,Hamstring strength 60% of contralateral side,Meniscus tolerance to weight bearing at 90 degrees flexion,Tibiofemoral joint sounds absent or minimal

→ Advance to: Advanced Strengthening Phase

Week 7Advanced Strengthening Phase

Full active knee range of motion,Quadriceps strength 4/5,Hamstring strength 70% of contralateral side,Patellofemoral compression test pain-free,ACL/PCL stability within functional limits,Single leg squat to 45 degrees knee flexion

→ Advance to: Functional Training Phase I

Week 8Functional Training Phase I

Single leg squat to 60 degrees knee flexion,Quadriceps strength 4+/5,Patellar tendon load tolerance,Cartilage tolerance to impact activities at low level,MCL/LCL stability with functional movements,Meniscus tolerance to twisting activities

→ Advance to: Functional Training Phase II

Week 9Functional Training Phase II

Double leg jump landing symmetric,Quadriceps power 60% of contralateral side,Patellofemoral kinetics normal during stair negotiation,Full Tibiofemoral and Patellofemoral ROM,Hamstring/quadriceps ratio 50-60%,Balance score 70% of contralateral side

→ Advance to: Advanced Functional Phase

Week 10Advanced Functional Phase

Single leg hop for distance 50% of contralateral side,Knee flexion during landing 30 degrees or greater,Quadriceps endurance 70% of contralateral side,ACL/PCL functional stability during direction changes,No meniscal symptoms with cutting maneuvers,Patella tracking normal during functional tasks

→ Advance to: Return to Activity Phase I

Week 11Return to Activity Phase I

Single leg hop for distance 65% of contralateral side,Knee flexion during landing 45 degrees,Patellofemoral symptoms absent with running,Cartilage tolerance to jogging progression,Hamstring power 75% of contralateral side,Subjective knee stability good to excellent

→ Advance to: Return to Activity Phase II

Week 12Return to Activity Phase II

Single leg hop for distance 75% of contralateral side,Vertical jump 65% of contralateral side,MCL/LCL stability during lateral movements,Meniscus tolerance to high-demand activities,Patella load tolerance with jumping,Quadriceps power 80% of contralateral side

→ Advance to: Return to Function Phase I

Week 13Return to Function Phase I

Single leg hop for distance 80% of contralateral side,Running at moderate speed without symptoms,ACL/PCL stability during sport-specific movements,Patellofemoral mechanics normal during agility tasks,Cartilage tolerance to repetitive impact,Symptom-free cutting and pivoting

→ Advance to: Return to Function Phase II

Week 14Return to Function Phase II

Single leg hop for distance 85% of contralateral side,Full participation in non-contact training,Quadriceps power 85% of contralateral side,MCL/LCL stability at full intensity,No meniscal symptoms with full activity,Patella tolerance to explosive movements

→ Advance to: Return to Full Activity

Week 15Return to Full Activity

Single leg hop for distance 90% of contralateral side,Quadriceps power 90% of contralateral side,Full return to pre-injury activity level,ACL/PCL stability with no giving way,Patellofemoral symptoms absent with all activities,Meniscus and cartilage tolerance to full demands

→ Advance to: Discharge or Maintenance

Return to activity milestones

Pain-free basic activities of daily living

Week 4

Weight-bearing tolerance increased by ≥ 25% from previous baseline

Light functional activities and conditioning

Week 6

Able to ascend and descend 4 stairs with reciprocal pattern, no rail

Moderate activity and sport-specific conditioning

Week 9

Pain ≤ 3/10 during and after weight-bearing functional activities

Full return to sport, occupation, and recreation

Week 15

Able to ascend and descend 4 stairs with reciprocal pattern, no rail

Precautions

  • maintain-neutral-spine
  • avoid-overloading

Contraindications

  • recent-fracture
  • compartment-syndrome
  • severe-muscle-atrophy

Pain management

Equipment & modalities

Progressive resistance exercise for quadriceps and hamstringsPatellar mobilization and taping techniquesProprioceptive training on balance boardsAquatic therapy for early weight bearing and range of motionNeuromuscular electrical stimulation (NMES) for quadricepsbalance-padbarbellfoam-rollertennis-ball

Frequently asked questions

How much discomfort is normal during exercises?
Mild, manageable discomfort that settles with rest can be expected, but sharp or increasing pain is a signal to stop. Check with your therapist before pushing further.
Can I skip the electrical stimulation or aquatic therapy?
These are optional additions your clinician may recommend based on your needs, and they are not required to progress. Discuss with your therapist whether they suit your situation.
What if I miss a session or fall behind?
Missing occasional sessions is normal; resume gently and tell your therapist. Progression is based on meeting criteria, not strict dates, so you will not be rushed.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed October 6, 2026. · Read our editorial policy

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