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Intermediate Knee Tendon Repair Rehabilitation

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

A 18-week intermediate program using resistance bands, stationary bikes, rowers, and wrist splints to aid in the recovery process.

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
tendon-repair
Level
intermediate
Duration
18
Sessions/week
3
Minutes/session
20
Evidence level
moderate
ICD-10
S83
Cost tier
moderate

Program Overview This is an 18-week intermediate rehabilitation plan for people recovering from a knee tendon repair. It uses resistance bands, a stationary bike, a rower, and a wrist splint, with sessions three times per week lasting about 20 minutes. The program blends progressive strengthening, balance work, and guided movement to help you return to daily activities and higher-level function safely. Your clinician will supervise and adjust the plan as you go.

Who This Program Is For and Its Goal This program suits people who have had a knee tendon repair and have moved past early healing into a structured, moderate-intensity phase. The goal is to rebuild strength, knee motion, balance, and power in a graded way while protecting the repair. It is not a substitute for individual medical advice. Your care team will confirm the program matches your stage of healing, your equipment, and your personal needs before you begin.

Before You Start Before starting, have your surgeon or physical therapist confirm your repair is stable enough for this level of activity and that you do not have an unstable fixation, severe osteoporosis, a recent fracture, or limited knee range of motion that has not yet been assessed. Get clearance for the stationary bike, rower, and resistance work. Set up a clear, safe space, check your equipment, and learn the correct brace use and crutch technique from your clinician.

Safety Notes and When to Stop Safety comes first. Do not push through sharp pain, new swelling, or a knee that gives way. Stop and call your clinician if you notice sudden increased pain, marked swelling, warmth or redness, fever, numbness, a popping sensation, or inability to bear weight. Follow any brace, weight-bearing, and range-of-motion limits your clinician gives you. Keep your spine neutral during exercises and avoid overloading the knee. These precautions help protect the repair as you progress.

Weekly Structure Plan on three sessions each week, about 20 minutes per session, for 18 weeks. Early weeks focus on protected motion, gentle muscle activation, and swelling control. Middle weeks add closed-chain strengthening, balance, and bike or rower work. Later weeks build power and more demanding balance and hopping tasks. Your clinician moves you forward only when your specific criteria are met, so the timeline may shift to match your recovery.

How the 18-Week Plan Is Organized The plan has four phases: protection, early motion, progressive strengthening, and power and return-to-activity. Sessions are short and frequent, using the stationary bike and rower for low-impact conditioning, resistance bands for strength, and balance tools for control. Each phase has clear checkpoints, such as pain, swelling, motion, and strength targets. You advance when those checkpoints are met, not simply when calendar weeks pass. This keeps progress safe and tailored to you.

What a Typical Session Looks Like A typical session follows a warm-up, main work, and cool-down pattern. You might start with easy cycling or gentle range-of-motion drills, then do the day's strengthening, balance, or neuromuscular electrical stimulation work as prescribed, and finish with light movement and stretching. Equipment use is matched to your phase and tolerance. Your clinician will tell you which exercises belong in each part of the session and when to add difficulty.

Warm-Up, Main Work, Cool-Down Pattern Begin with a few minutes of easy stationary biking or gentle knee motion to warm the tissues. The main work uses resistance bands, closed-chain exercises, balance drills, and later plyometric tasks, with the rower or bike for conditioning and neuromuscular electrical stimulation to the quadriceps if prescribed. Cool down with slow cycling or light movement and gentle stretching. Keep your spine neutral, respect brace and weight-bearing rules, and avoid overloading the knee. Stop if pain or swelling rises.

Tracking Progress Keep a simple log of pain, swelling, knee motion, strength, and how each session felt. Your clinician will use the progression criteria to decide when you move to the next phase, checking things like pain at rest and during movement, swelling compared with the other knee, quadriceps activation, and knee range of motion. Outcome measures such as the IKDC, Lysholm, KOS-ADLS, single-leg hop test, isokinetic strength testing, and Tegner scale help track function over time.

How Progression Criteria and Outcome Measures Are Used You move between phases only when your clinician confirms the phase checkpoints are met. Those checkpoints cover pain, swelling, muscle activation, range of motion, weight-bearing status, and strength. Outcome measures are used alongside these checks to show how your knee function, confidence, and activity level are changing. They guide decisions about adding load, balance challenges, or power work rather than relying on weeks alone, so progress stays safe and matched to your body.

Recovery and Self-Care Recovery happens between sessions too. Get enough rest, keep up with any home exercises your clinician gives you, and use ice or elevation as advised for swelling. Stay hydrated and pace your activity. Follow brace and crutch guidance exactly, and avoid overloading the knee with extra activity, even on good days. Ask your clinician about aquatic therapy if early weight-bearing or motion is limited, since the reduced-load environment can help.

Pain Management Cautions and Red Flags Use pain as a guide: mild discomfort that settles is generally acceptable, but sharp or rising pain is a signal to ease off. Do not take medication advice from this guide; follow your prescriber's instructions. Seek urgent care for signs of infection, a blood clot, or a suddenly unstable knee. Call your clinician for new or worsening swelling, fever, chest pain, shortness of breath, calf pain, or numbness. These warning signs mean you should pause the program and get checked.

Recovery phases

Week 1Phase 1: Protection

Pain less than 3/10 at rest with isometric contractions,Knee swelling less than 1 cm above patella measured by figure-8 method,Quadriceps muscle activation with valid quadriceps set (patellar superior glide),Protected knee ROM 0-45 degrees flexion with hinged brace locked in extension for ambulation,Weight bearing as tolerated with bilateral axillary crutches and hinged knee brace,Patellar mobility maintained with superior-inferior and medial-lateral glides

→ Advance to: Phase 2

Week 2Phase 1: Protection

Pain less than 3/10 during passive knee flexion to 60 degrees,Knee circumference within 1 cm of contralateral side at midpatella,Hamstring muscle activation with palpable posterior thigh contraction,Knee ROM 0-60 degrees passive flexion in non-weight bearing,Weight bearing progression to weight bearing as tolerated with brace locked in extension,Isometric quadriceps contractions holding 5 seconds, 10 repetitions, 3 sets daily

→ Advance to: Phase 2

Week 3Phase 2: Early Motion

Full passive knee extension (0 degrees) with equal heel height to contralateral side,Knee passive flexion to 75 degrees without increased pain,Quadriceps strength grade 3/5 with manual muscle testing (resistance in sitting),Weight bearing with single crutch on level surfaces, brace unlocked for ambulation,Active knee extension from 90 to 0 degrees in sitting position,Patellar tendon loading avoided with no resisted knee extension under 90 degrees

→ Advance to: Phase 3

Week 4Phase 2: Early Motion

Full active knee ROM 0-90 degrees flexion,Quadriceps strength grade 3+/5 with resistance in supine (short arc quad),No knee effusion with negative sweep test,Weight bearing without assistive device on level surfaces with brace unlocked,Hamstring curls 0-45 degrees with light resistance (2 kg),Proprioception: weight shifting in standing with bilateral support

→ Advance to: Phase 3

Week 5Phase 3: Strengthening

Knee ROM 0-110 degrees with symmetrical hyperextension,Quadriceps strength 4-/5 with resistance in standing (light leg press),Hamstring strength 4-/5 with prone knee flexion against resistance,Single leg stance time greater than 15 seconds without vision,Closed chain knee flexion to 70 degrees (mini squat with support),Patellofemoral joint mobility without crepitus during active motion

→ Advance to: Phase 4

Week 6Phase 3: Strengthening

Knee ROM 0-120 degrees with tolerance for full flexion,Quadriceps strength 4/5 with leg press at 50% body weight,Hamstring strength 4/5 with prone knee flexion against 5 kg resistance,Closed chain knee flexion to 90 degrees with controlled descent,Single leg squat to 45 degrees knee flexion with parallel support,Balance error scoring system (BESS) score within 4 points of contralateral side

→ Advance to: Phase 4

Week 7Phase 3: Strengthening

Knee flexion strength 4+/5 through full ROM,Hamstring strength 4+/5 through full ROM,Single leg stance time greater than 30 seconds with eyes closed,Single leg mini squat to 60 degrees knee flexion,Step-up forward onto 15 cm step with control,Tibiofemoral joint stability with negative Lachman and anterior drawer tests

→ Advance to: Phase 4

Week 8Phase 4: Advanced

Knee ROM equal to contralateral side in flexion and extension,Quadriceps strength 4+/5 with isokinetic testing at 60 degrees/second,Hamstring strength 4+/5 with isokinetic testing at 60 degrees/second,Single leg hop for distance greater than 50% of contralateral side,Timed up and go test less than 10 seconds,MCL/LCL stability confirmed with valgus/varus stress testing at 0 and 30 degrees

→ Advance to: Phase 5

Week 9Phase 4: Advanced

Knee flexion to full squat depth with proper technique,Quadriceps strength 5-/5 with resistance progression,Single leg hop for time less than 15% slower than contralateral side,Lateral step-down test without valgus collapse,Proprioceptive training: perturbed standing with resistance bands,Patellar tendon tolerance with eccentric loading in decline squat

→ Advance to: Phase 5

Week 10Phase 4: Advanced

Cross-over hop for distance greater than 90% of contralateral side,Triple hop for distance greater than 90% of contralateral side,6-minute walk test within normal limits for age,Knee flexion strength at 180 degrees/second greater than 70% of contralateral side,No quadriceps avoidance gait pattern,Meniscal healing confirmed with negative McMurray test (if previous repair)

→ Advance to: Phase 5

Week 11Phase 5: Return to Activity

Single leg triple hop greater than 95% of contralateral side,Isokinetic quadriceps peak torque at 180 degrees/second greater than 80% contralateral,Isokinetic hamstring peak torque at 180 degrees/second greater than 80% contralateral,Agility T-test completion within 10% of normal reference,Cyclic squatting at 70% body weight for 3 sets of 15 without increased swelling,Cartilage loading tolerance without patellofemoral pain with prolonged sitting test

→ Advance to: Phase 6

Week 12Phase 5: Return to Activity

Knee Outcome Survey Activities of Daily Living Scale (KOS-ADLS) greater than 90%,IKDC subjective knee evaluation greater than 85 points,Single leg balance with head movement without loss of balance,Running progression to 70% speed on treadmill without pain,Plyometric double leg hops at 50% effort without increased effusion,Patellofemoral joint symptoms less than 2/10 with stairs

→ Advance to: Phase 6

Week 13Phase 5: Return to Activity

Running progression to 85% speed with normal mechanics,Plyometric single leg hops at 50% effort,Agility ladder drills at 75% speed,Squat strength at 80% of contralateral side with barbell,No ACL graft rupture signs with negative pivot shift test,No increased knee swelling 24 hours after exercise

→ Advance to: Phase 6

Week 14Phase 6: Sport Specific

Running at 100% speed with cutting maneuvers,Single leg hop for distance 100% of contralateral side,Agility testing: pro-agility shuttle less than 5.5 seconds,Plyometric double leg hops at 100% effort,Knee flexion strength 100% of contralateral side,Patient subjective feeling of knee stability greater than 8/10

→ Advance to: Phase 6

Week 15Phase 6: Sport Specific

Running with direction changes at 45 and 90 degree angles,Unanticipated cutting drills with proper knee positioning,Single leg vertical hop test greater than 90% contralateral,Isokinetic knee extension at 300 degrees/second greater than 85% contralateral,No medial knee pain with valgus stress during landing,Patellar tendon load tolerance with repetitive jumping

→ Advance to: Phase 7

Week 16Phase 6: Sport Specific

Sport-specific drills at full intensity,Contact and non-contact landing drills,Knee examination: full ROM, no effusion, stable ligaments,Functional Movement Screen knee score of 3/3,Return to sport test battery passing all components,Quadriceps index greater than 90% of contralateral side

→ Advance to: Phase 7

Week 17Phase 7: Return to Sport

Full practice participation without restrictions,Psychological readiness score (ACL-RSI) greater than 65%,No bracing required for low-risk activities,Knee confidence rating greater than 8/10,Maintenance strength training 3 times weekly,No activity modification due to knee symptoms

→ Advance to: Phase 8

Week 18Phase 7: Return to Sport

Full competitive sport participation cleared by physician and physical therapist,Hop test battery 100% limb symmetry index,IKDC final evaluation greater than 90 points,Lysholm knee score greater than 90 points,Patient satisfied with knee function (minimum 8/10),No subsequent knee injury or complication

→ Advance to: Discharge

Return to activity milestones

Pain-free basic activities of daily living

Week 5

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

Light functional activities and conditioning

Week 8

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

Moderate activity and sport-specific conditioning

Week 10

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

Full return to sport, occupation, and recreation

Week 18

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

Precautions

  • maintain-neutral-spine
  • avoid-overloading

Contraindications

  • unstable-fixation
  • severe-osteoporosis
  • limited-range-before-assessment
  • recent-fracture

Pain management

Equipment & modalities

Progressive resistance exercise with closed kinetic chain emphasisAquatic therapy for early weight bearing and ROM in reduced load environmentNeuromuscular electrical stimulation (NMES) to quadriceps for muscle re-educationBalance and proprioceptive training on unstable surfaces (BOSU, wobble board)Plyometric training program for lower extremity power developmentresistance-bandstationary-bikerowerwrist-splint

Frequently asked questions

How much pain is acceptable during these exercises?
Mild discomfort that settles quickly is usually acceptable, but sharp or rising pain means you should ease off and tell your clinician. Use your phase criteria and your care team's guidance rather than pushing through pain.
Can I skip the brace or crutches when I feel fine?
Follow your clinician's brace and weight-bearing instructions exactly, even on good days, because the repair needs protection during early phases. Changes to bracing or crutch use should come only from your care team.
What if I miss sessions or fall behind the weekly schedule?
Progress is based on meeting phase criteria, not strict calendar dates, so missed sessions do not automatically set you back. Resume gently, note how your knee responds, and check with your clinician before advancing or adding load.

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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