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LEARNING OBJECTIVES

By the end of this newsletter, you will be able to:

Identify patellofemoral pain syndrome and differentiate it from patellar tendinopathy in a high school football athlete using location of symptoms, loading patterns, and provocation findings.

Apply progressive rehabilitation in addition to ultrasound guided dry needling to improve tissue health, quadriceps function, and patellofemoral load tolerance across a 12 week protocol.

Integrate progressive rehabilitation into an in season schedule for a competitive football athlete without compromising practice attendance, weight room participation, or game day performance.

Evaluate athlete compliance to a progressive rehabilitation program through functional outcomes that are measurable, sport specific, and tailored to the demands of his position.

CLINICAL PRESENTATION

Tuesday afternoon. Mid September.

The HS coach texts me about one of his athletes. His starting nose tackle is hobbling off the practice field. The kid finishes the practice. Walks back to the locker room with a slight limp. Coach asks him about it. The kid says it has been there for a few weeks. Maybe months.

That is how I meet J two years ago now.

J was a 17 years old junior in highschool. At 6”7 he made my office feel really small. Dual sport athlete, but right now football is his entire schedule. He played through preseason. He played through camp. He is now a few games into his season and the front of his right knee has finally started talking loud enough that he cannot ignore it.

His dad and him dropped by my office one Wednesday after school.

Subjective

J's chief complaint was right anterior knee pain. He points right at the inferior pole of the patella with one finger, and then drags that finger across to the medial joint line and then out to the lateral retinaculum. The pain pattern is not single point. It is broad, but it is anterior, and it lives at the front of his knee.

Onset was gradual. He cannot give me a single mechanism. No collision, no twisting injury, no specific play where he felt a pop. He thinks it started showing up in two a days back in August. By the time we are sitting here in October, it is present every practice and every game.

"Walk me through your day."

He pauses. "Stairs at school. Bad. Especially going down. Squatting in the weight room. Bad. Three point stance. The worst."

He demonstrates. He drops into a stance and his right hip kicks out. He grimaces. He stays there for two seconds and then stands back up.

"What makes it better?"

He thinks. "Sometimes when I do leg extensions and just hold them at the top. Coach has me do warm up sets. The longer I hold the hold, the better it feels."

That tells me a lot.

Aggravating factors: descending stairs, deep squatting, prolonged sitting in classes, three point stance loading, hill running during conditioning. Relieving factors: isometric quadriceps loading, walking on flat ground, ice after practice.

Prior medical history. No knee surgery. No prior knee injury that he can recall. He had Osgood Schlatter symptoms in middle school but those resolved on their own. Family history is unremarkable for inflammatory arthritis. He is otherwise healthy. No medications. No red flag symptoms.

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Objective

Observation. Bilateral genu valgum with medial femoral rotation evident in standing. Right side appears more pronounced. Mild quadriceps atrophy on the right compared to the left, particularly in the vastus medialis oblique. No joint effusion. No erythema.

ROM. Knee flexion symmetrical. Knee extension symmetrical. Hip internal rotation limited bilaterally and asymmetrical, with the right side more limited than the left. Ankle dorsiflexion limited bilaterally, asymmetrical, with the right ankle showing greater restriction in weight bearing.

Neurological Screening. Myotomes and dermatomes within normal limits.

Palpation. Tenderness diffusely across the anterior knee. The retropatellar surface is tender on medial and lateral facet contact. The inferior pole of the patella reproduces moderate pain on direct palpation, but the dominant complaint is broader and lives behind the patella, not at the tendon insertion. The vastus lateralis is hypertonic.

Orthopedic Tests.

Patellar Grind Test (Clarke's): Positive right. Reproduced his anterior knee pain pattern with quadriceps contraction against the patella.

Patellar Tilt Test: Positive right. Lateral retinacular tightness with limited medial patellar glide.

Single Leg Squat Test: Positive right. Dynamic valgus collapse with medial femoral rotation and contralateral pelvic drop.

Step Down Test: Positive right. Increased valgus, increased trunk lean, reproduction of his typical anterior knee pain at four inch step height.

Patellar Tendon Loading (Single Leg Decline Squat at 25 degrees): Negative for isolated tendon pain. Reproduced the same diffuse anterior pain that lives behind the patella, not the focal sharp pain at the inferior pole that defines tendinopathy.

Royal London Hospital Test for Patellar Tendinopathy: Negative. Inferior pole tenderness in extension does not disappear in flexion.

Lachman, Anterior Drawer, McMurray, Valgus and Varus Stress Tests: All negative.

Sport Specific Assessment. Three point stance loading reproduces his pain immediately. Watching him drop into the stance, his right knee dives inward. His ankle does not dorsiflex enough to keep his shin vertical. His hip is dumping. His patella is being driven across the trochlear groove every time he loads that position. He does this hundreds of times a week.

Diagnostic Statement

The diffuse retropatellar pain, the positive Clarke's, the positive patellar tilt, the dynamic valgus collapse on single leg squat, and crucially the negative single leg decline squat for tendinopathy and negative Royal London Hospital test point me in one direction.

This is patellofemoral pain syndrome. This is not patellar tendinopathy.

A 2018 consensus statement from the International Patellofemoral Pain Research Retreat made this distinction clear in their diagnostic guidance. Patellofemoral pain is reproduced with sustained or loaded knee flexion under compressive demand, while patellar tendinopathy is a focal loading problem at the tendon. J is loading his patellofemoral joint catastrophically every time he gets into a stance, every time he squats, every time he descends a flight of stairs. The tendon is not the problem. The joint is the problem.

Hip control failure drives patellofemoral load. Ankle dorsiflexion limitation amplifies it. Quadriceps inhibition perpetuates it.

At the time of his visit, he was squatting 435lbs for sets of 10 with knee pain.
What do you think happened after working with us?

COMMON MISDIAGNOSIS

The Trap: Anterior knee pain in a young athlete gets called patellar tendinopathy by default.

Here is what happens with J in most clinics.

He walks in with anterior knee pain. He is a heavy 18 year old football player. He squats. He jumps. He is in season. The provider sees a young athlete with anterior knee pain in a high loading sport and the differential narrows to one diagnosis before the exam even begins.

Tendinopathy.

The provider palpates the inferior pole of the patella. There is some tenderness. The provider stops there. The diagnosis is jumper's knee. The treatment plan is heavy slow resistance training and isometric loading and a mention of platelet rich plasma if it does not improve.

Six weeks of single leg decline squats and the kid is no better. He is worse, actually, because he is now loading the patellofemoral joint into deeper flexion under more resistance and the actual driver of his pain has been completely missed.

Why This Happens:

Athlete + sport + anterior pain pattern locks in a tendinopathy diagnosis before differentiation is complete. Football, basketball, volleyball, track, etc. Young, heavy, jumping athletes get pattern matched to jumper's knee on the first sentence of the history.

The patellar tendon is more famous than the patellofemoral joint in clinical conversation (unless it’s soccer). Heavy slow resistance training, isometric protocols, and tendinopathy research have dominated the loading literature in the last decade. PFPS gets less airtime… mostly because nobody really understands PFPS.

Inferior pole tenderness is non specific. The patellar tendon attaches there. So does the deep infrapatellar tissue. Tenderness alone does not differentiate. Without the Royal London Hospital test or a single leg decline squat that isolates the tendon under flexion load, you cannot tell which structure is the actual nociceptor.

The screen ends at the knee. The hip never gets tested. The ankle never gets tested. The single leg squat never gets observed under his actual sport demands. The diagnosis gets made in isolation and the treatment plan inherits that incompleteness.

The Cost:

J keeps playing with pain. He is the starting nose tackle. He plays through the misdiagnosis and the wrong treatment plan. His patellofemoral cartilage continues to be loaded across an unstable patellar track every time he takes a stance.

Three things happen if this continues.

First, the pain progresses. What started as practice and game day pain becomes daily pain. Stairs hurt. Sitting in class hurts. The joint becomes irritable enough that he loses sleep.

Second, his performance drops. He cannot drive out of his stance with any aggression. Defensive linemen win or lose at the snap. If the first three steps hurt, the snap is lost. Coaches will start to wonder why he is suddenly a step slow.

Third, and most importantly for an 18 year old with college recruiting interest, the underlying pattern that is driving his pain does not self correct. The hip control failure, the ankle stiffness, the quadriceps inhibition. None of those resolve with rest. He carries this pattern into college, into adulthood, into every loading task for the rest of his life. Anterior knee pain in adolescence has been documented in long term follow up to predict anterior knee pain in adulthood at significantly higher rates than the general population.

This is fixable. But it is going to take a clinical reasoning approach that respects what is actually wrong.

CORRECT DIFFERENTIAL DIAGNOSIS

Patellofemoral Pain Syndrome vs. Patellar Tendinopathy vs. Fat Pad Impingement

Three diagnoses share anterior knee pain in young athletes. They share loading patterns. They share treatment language. They are clinically distinct, and the distinction lives in your ability to provoke the right tissue with the right test and to interpret the absence of provocation with the same rigor as the presence of it.

The differential matters because the treatment plans diverge sharply. PFPS rehabilitation is hip and ankle and quadriceps motor control work. Patellar tendinopathy rehabilitation is heavy slow resistance loading of the tendon. Fat pad impingement rehabilitation is unloading and quadriceps inhibition management. Wrong diagnosis equals wrong treatment equals wrong outcome.

Diagnostic Tests Performed:

Clarke's Patellar Grind Test: Positive right. Finding: Anterior knee pain reproduced behind the patella with active quadriceps contraction during compression. Clinical Significance: Indicates patellofemoral joint as the symptomatic structure. Not specific in isolation but supportive when combined with the rest of the cluster.

Patellar Tilt Test: Positive right. Finding: Lateral retinacular restriction with reduced medial glide of the patella. Clinical Significance: Indicates lateral patellar tracking dysfunction, a classic mechanical contributor to PFPS and a target for soft tissue intervention.

Single Leg Squat Test: Positive right. Finding: Dynamic valgus collapse with medial femoral rotation, contralateral pelvic drop, and reproduction of pain. Clinical Significance: Demonstrates the proximal motor control failure driving patellofemoral load. The single most useful functional test in PFPS evaluation in my clinic.

Single Leg Decline Squat at 25 Degrees: Negative for tendon pain. Finding: Reproduced his diffuse retropatellar pain pattern, not the focal sharp pain at the inferior pole that characterizes patellar tendinopathy under load. Clinical Significance: When the single leg decline squat reproduces patellofemoral pain rather than tendon pain, it argues against tendinopathy as the primary driver.

Royal London Hospital Test: Negative. Finding: Inferior pole tenderness present in extension persists in 90 degrees of flexion. Clinical Significance: True patellar tendinopathy demonstrates inferior pole tenderness that disappears in flexion as the tendon is unloaded under the patella. Persistent tenderness in flexion makes tendinopathy unlikely.

Step Down Test: Positive right. Finding: Valgus collapse, trunk lean, and reproduction of pain at a four inch step. Clinical Significance: A functional reproduction of the daily loading pattern that aggravates J's symptoms. Stairs are his life. This test mirrors what stairs do to him.

DECISION FRAMEWORK:

CLINICAL FINDINGS

MOST LIKELY DIAGNOSIS

CONFIDENCE LEVEL

NEXT STEPS

Diffuse retropatellar pain, positive Clarke's, positive single leg squat with valgus collapse, negative tendon loading

Patellofemoral Pain Syndrome

High

Initiate PFPS protocol with hip and ankle motor control focus, ultrasound guided DN, progressive rehab

Focal inferior pole pain, positive single leg decline squat at the tendon, positive Royal London Hospital test

Patellar Tendinopathy

High

Heavy slow resistance loading protocol, isometric loading at 70 percent MVC, modify training volume

Inferior pole pain that worsens with passive knee extension and improves with flexion, anterior fat pad swelling

Fat Pad Impingement (Hoffa)

Moderate

Unloading, taping, address quadriceps over recruitment, avoid loaded extension

Mixed presentation: positive Clarke's plus mild tendon tenderness without positive Royal London

PFPS with Concomitant Tendon Sensitization

Moderate

Treat PFPS as primary, monitor tendon, layer in tendon loading once PF symptoms reduce

Acute trauma history, joint effusion, mechanical locking, positive McMurray

Meniscal or Intra-articular Injury

High

Imaging referral, orthopedic consultation, do not load until cleared

REFERRAL CRITERIA (When to Send Out)

Immediate Emergency Referral: Acute traumatic effusion that develops within hours of injury suggesting hemarthrosis. Inability to bear weight on the affected limb. Suspected patellar fracture or dislocation with persistent deformity. Neurovascular compromise distal to the knee. Signs of septic arthritis including fever, erythema, severe pain at rest, and rapid effusion.

Urgent Medical Referral (Same Day): Mechanical locking of the knee joint suggesting displaced meniscal fragment. Sudden onset effusion in a patient with history of recent infection or systemic illness. Persistent giving way episodes that suggest ligamentous instability. Severe pain that is unresponsive to standard analgesics or that wakes the patient from sleep.

Co-Management Referral: Suspected patellar instability requiring orthopedic evaluation for surgical candidacy. Failure to progress at the eight week mark despite a structured loading program. Imaging confirmed structural pathology requiring orthopedic input. Persistent symptoms at the end of a sport season requiring decision making about offseason intervention.

Imaging Referral: Persistent effusion of unknown etiology at four weeks of conservative care: MRI knee. Suspected intra-articular pathology not responding to PFPS protocol: MRI knee. Acute traumatic onset with significant mechanism: radiographs first, MRI if indicated. Suspected stress reaction in distance runners or repetitive impact athletes: MRI without contrast.

THE CDNP APPROACH

Dry needling for patellofemoral pain syndrome is not a tendinopathy intervention. The targets are different. The reasoning is different. The expected response is different.

J's pain is being driven by a patellofemoral tracking problem that is amplified by quadriceps inhibition, lateral retinacular tightness, and a hypertonic vastus lateralis pulling the patella laterally on every contraction. Needling addresses the muscular contributors to the lateral pull and helps restore the firing pattern of the inhibited medial quadriceps.

TARGET MUSCLES:

Vastus Lateralis (Unilateral, right)

  • Needle Specifications: 0.30mm x 60mm.

  • Depth: Approximately 25 to 35mm into the muscle belly. Note: Depth is patient-dependent based on body composition, muscle development, and tissue response. Always assess tissue resistance and patient feedback to determine appropriate depth for each individual.

  • Technique: Twirling technique with intermittent pistoning to elicit local twitch response.

  • Expected Response: Local twitch response, mild aching during treatment, post treatment soreness for 24 to 48 hours.

Vastus Medialis Oblique (Unilateral, right)

  • Needle Specifications: 0.30mm x 40mm.

  • Depth: Approximately 15 to 25mm into the muscle belly.

  • Note: Depth is patient-dependent based on body composition, muscle development, and tissue response. Always assess tissue resistance and patient feedback to determine appropriate depth for each individual.

  • Technique: Twirling technique with light pistoning, focused on improving recruitment rather than relaxation.

  • Expected Response: Local muscle twitch, often subtle in the inhibited VMO. Sometimes a delayed response over the next 24 hours of improved firing during contraction.

Lateral Retinaculum (Unilateral, right)

  • Needle Specifications: 0.25mm x 30mm.

  • Depth: Superficial, approximately 5 to 10mm into the retinacular tissue.

  • Note: Depth is patient-dependent based on body composition, muscle development, and tissue response. Always assess tissue resistance and patient feedback to determine appropriate depth for each individual.

  • Technique: Light pistoning with ultrasound guidance to confirm placement within the retinacular tissue.

  • Expected Response: Sharp local sensation, post treatment improvement in patellar mobility on tilt assessment.

  • Safety Notes: Use ultrasound visualization. Stay superficial. Avoid the joint capsule.

TREATMENT FREQUENCY:

Phase 1 (Initial, Weeks 1 to 2): One session per week. Goal is to reduce lateral pull, address VL hypertonicity, and begin reactivating the VMO. Treatment is paired with rehabilitation work the same day or the following day.

Phase 2 (Stabilization, Weeks 3 to 6): One session every 7 to 10 days based on response. Continue VL and lateral retinaculum work. Reduce frequency at VMO as recruitment improves.

Phase 3 (Maintenance, Weeks 7 to 12): One session every 14 days through the end of season. Treatment now serves as recovery support and pattern maintenance rather than primary intervention. Athlete is doing the heavy lifting in the rehabilitation program.

THE RehabPRO APPROACH

Needling addresses tissue irritability and reactivates inhibited muscle. It does not teach motor control. It does not build capacity. It does not create the load tolerance J needs to absorb a thousand three point stances over the rest of the season.

That is what progressive rehabilitation does.

The goal of this program is not to make J feel better in the office. The goal is to give him a body that can do what football demands without his patellofemoral joint paying the price. Every exercise is selected for sport specificity. Every progression is mapped against his game schedule.

REHABILITATION SAFETY PRINCIPLES:

In season programming respects the loading the athlete is already absorbing on the field. Rehabilitation work is additive but not punitive. Tuesday and Thursday are practice high load days. Monday and Wednesday are rehabilitation focused days. Friday is game prep with light recovery work. Saturday is game day. Sunday is full rest.

Pain monitoring rule: rehabilitation pain that resolves within 24 hours and does not increase over the course of the week is acceptable. Pain that persists beyond 24 hours or that progressively worsens means the load is wrong.

Phase 1 - Foundation (Weeks 1 to 2):

Quadriceps Setting Holds with Patellar Mobilization: 5 sets of 10 second holds at end range knee extension, paired with active medial patellar glides. Performed daily. Goal is reactivation of the VMO and improvement in patellofemoral tracking.

Wall Sits with Adductor Squeeze: 3 sets of 30 second holds at 60 degrees of knee flexion with a ball between the knees. Performed three days per week. Activates VMO through reciprocal adductor recruitment.

Standing Banded Hip Abduction: 3 sets of 12 reps each leg, with the working leg in slight extension and external rotation. Performed three days per week. Targets gluteus medius posterior fibers.

Single Leg Stance with Pelvic Control: 3 sets of 30 seconds each leg in front of a mirror. Cue: keep the belly button level. Performed daily. Builds the pelvic stability that the single leg squat is currently failing.

Phase 2 - Loading (Weeks 3 to 6):

Step Ups at Four Inch Height: 3 sets of 10 reps each leg. The cue is no valgus, no pelvic drop, no trunk lean. Performed three days per week. Direct functional progression from the failed step down test.

Single Leg Romanian Deadlift with Light Dumbbell: 3 sets of 8 reps each leg. Builds posterior chain control and challenges hip stability under load. Performed two days per week.

Forward Lunge with Knee Tracking: 3 sets of 10 reps each leg. Slow eccentric, focused on knee tracking over the second toe. Performed three days per week.

Banded Lateral Walks: 3 sets of 12 steps each direction with a hip level resistance band. Performed three days per week. Targets the gluteus medius pattern that is failing in the single leg squat.

Phase 3 - Sport Specific Integration (Weeks 7 plus):

Three Point Stance Practice with Mirror Feedback: 3 sets of 5 stances per session, holding the position for 10 seconds. Cue is keeping the knee in line with the toes. Performed twice per week. Direct rehearsal of the position that has been driving his symptoms.

Sled Push at Sport Specific Resistance: 3 sets of 15 yards at progressively increasing load. Builds horizontal force production while reinforcing the proper hip and knee mechanics under load. Performed two days per week.

Box Jump to Stick Landing: 3 sets of 5 reps to a 12 to 18 inch box. Eccentric control on the landing is the focus. No knee valgus on stick. Performed twice per week.

Lateral Bound and Stick: 3 sets of 5 reps each direction. Builds frontal plane control. Performed twice per week.

RETURN TO SPORT CRITERIA:

It’s a bit more difficult to set at RTS when there’s no actual injury, and the athlete cannot afford to miss any games. The goal for J was to achieve pain free three point stance loaded for 45 seconds. Single leg squat to 60 degrees of flexion without valgus collapse. Step down at six inch height without pain or compensatory pattern. Single leg hop for distance within 90 percent of the contralateral limb. J was (and continues to be) a very strong player naturally. His biggest challenge actually came from controlling his body through every movement.

ETHICAL CONSIDERATIONS

In Season Treatment Decision Making with a Senior Athlete

J is in his senior year. This is his last football season. He has college recruiting interest that depends on him finishing the season healthy and productive. The conservative recommendation in September would be to shut him down for a few weeks, address the underlying drivers, and return him late in the season or worse… in the offseason.

He is not going to do that. His parents are not going to do that. His coaches are not going to do that.

The ethical position is not to refuse to treat him because the textbook answer is progressive rehab. The ethical position is to be honest with him and his parents about the realistic outcomes of in season treatment, document the conversation thoroughly, get informed consent from a parent because he is under 18 and can’t do this himself. The family deserves to be in the loop, and design a program that protects the joint while keeping him on the field. Refusing to treat him does not eliminate the loading. He is going to play either way. Treatment is the bridge that gets him through.

Communication With the Coaching Staff About Progress

Coach wanted updates. He wants to know if J can practice on Tuesday. He wants to know what J can and cannot do at full speed. The athlete is the patient, but the coach is a stakeholder.

The principle here is to respect the athlete's autonomy as the patient while providing the coach with the functional information needed to make practice and game day decisions. I first asked J and his parents if it was okay to communicate certain aspects of J’s care with the coach. With their written okay, I tell J what I am going to share with Coach J before I share it. I never share medical details that are not directly relevant to performance and safety. The coach gets practice modifications and load recommendations. The coach does not get the full clinical picture. That belongs to J and his parents.

The Heavy Lineman Body Composition Conversation

J is heavy. He is built for nose tackle. His body composition contributes to the load his patellofemoral joint absorbs every time he stands up. There is a real, evidence based conversation to be had about how body composition influences loading mechanics.

There is also a real, evidence based reason to not have that conversation in the middle of his senior season. He cannot meaningfully change his body composition during the season without compromising his performance and his roster spot. Even if he could, framing his pain as a body composition issue invites shame, food behavior problems, and a relationship with his body that no high school athlete needs. The right time for the body composition conversation is offseason, in collaboration with a sports nutritionist, not as a clinical pronouncement during an in season visit. The patellofemoral joint cares about loading mechanics. Loading mechanics are fixable through motor control and tissue work. We start there.

CLINICAL PEARLS

The single leg decline squat differentiates patellar tendinopathy from PFPS. If it reproduces focal inferior pole pain, you are looking at the tendon. If it reproduces diffuse retropatellar pain, you are looking at the joint.

Watch the single leg squat before you palpate the knee. The kinematic failure tells you more about the diagnosis than any test you do at the joint itself.

Hip internal rotation deficit and ankle dorsiflexion deficit show up together in PFPS. Address both. Treating the knee in isolation while leaving the hip stiff and the ankle locked is why these cases plateau.

Isometric quadriceps loading reduces PFPS pain in the same way it reduces tendinopathy pain. The patient feels better, but the mechanism is different. In PFPS it is descending modulation and quadriceps inhibition release. Use it to manage symptoms, but do not stop there.

In season rehabilitation works when the program is built around the athlete's actual schedule. If the program assumes a four day per week clinic visit and the athlete has practice five days per week, the program will fail.

Three point stance is a patellofemoral loading position that does not get rehearsed in standard PFPS rehab. If your athlete plays a sport that requires it, it has to be in your program. Otherwise you are leaving the loading pattern that drives the pain unaddressed.

Compliance is best measured in functional outcomes, not in sets and reps. The athlete who is doing the work shows up two weeks later with a better single leg squat. The athlete who is not doing the work tells you his sets and reps but does not improve on the test that matters.

SOAP NOTE TEMPLATE

Subjective: 18 year old male competitive football athlete (nose tackle position) presents with progressive right anterior knee pain, gradual onset over preseason, now persistent and present with practice, games, stairs, deep squatting, and three point stance loading. No traumatic mechanism. No locking, no giving way, no effusion. Pain improves with isometric quadriceps loading. Pain pattern is broad and retropatellar with secondary inferior pole tenderness. Denies neurological symptoms. Denies systemic symptoms. Prior history of resolved Osgood Schlatter symptoms in middle school.

Objective: Standing posture: bilateral genu valgum, more pronounced on the right. Mild VMO atrophy on the right. Gait: antalgic with reduced right knee flexion in stance phase. ROM: knee flexion and extension symmetrical. Hip internal rotation limited and asymmetrical, right greater than left. Ankle dorsiflexion limited and asymmetrical, right greater than left. Neurological screening: myotomes and dermatomes within normal limits. Palpation: diffuse anterior knee tenderness, retropatellar facet tenderness, lateral retinacular tightness, vastus lateralis hypertonicity, IT band tenderness at lateral femoral condyle. Orthopedic tests: Clarke's positive right, patellar tilt positive right, single leg squat positive right with dynamic valgus, step down positive right at 4 inch height, single leg decline squat negative for tendon pain, Royal London Hospital test negative, Lachman, anterior drawer, McMurray, valgus and varus stress all negative. Sport specific: three point stance reproduces pain immediately with visible knee valgus collapse.

Assessment: Right patellofemoral pain syndrome in an 18 year old competitive football athlete (nose tackle), with primary contributors of hip control failure, ankle dorsiflexion limitation, vastus lateralis hypertonicity, vastus medialis oblique inhibition, and lateral retinacular tightness. No evidence of patellar tendinopathy, meniscal pathology, ligamentous instability, or fat pad impingement. Excellent candidate for ultrasound guided dry needling combined with progressive in season rehabilitation across a 12 week protocol with the goal of completing the season at full performance capacity and addressing residual contributors in the offseason.

CASE RESOLUTION

J completed 12 weeks of weekly clinic visits.

The first three weeks focused on calming the joint, addressing the lateral pull through ultrasound guided dry needling at the vastus lateralis and lateral retinaculum, and reactivating the VMO. By week three, his daily pain had dropped from a constant six to a low two. He was still hurting in his stance, but the stairs no longer woke him up.

Weeks four through six were the loading phase. The step ups and the single leg deadlifts and the banded walks. He was complaining about how light the weights felt. I told him to stop watching the eccentric for a single rep. By week six, his single leg squat was the cleanest it had been since I met him. The dynamic valgus had reduced. He could hold a single leg stance without his pelvis dumping.

Weeks seven through twelve put him through sport specific integration. The three point stance work paid off the most visibly. Coach J texted me after a Friday game to tell me J had three tackles for loss in the first half. He was driving out of his stance with aggression. He looked like a different player.

His final visit was the Tuesday after his last game. Single leg squat to 60 degrees with no valgus collapse. Step down at six inches without pain. Single leg hop within 92 percent of the left side. Pain free three point stance with no compensatory pattern. He met every return to sport criterion and finished his senior season healthy.

The bigger lesson here is that anterior knee pain in a young athlete is not patellar tendinopathy by default. It rarely is, in my experience. Most of these kids have a patellofemoral joint that is being loaded across an unstable patellar track because their hips and ankles and quadriceps are not doing their jobs. Find the mechanical drivers, intervene at the right tissues, and build a program that fits the athlete's actual life.

J is going to play college football. He just signed with a very lucrative contract. His high school career ended on the field, not in a brace. That is our win.

Every patient is unique. Every case teaches you something. This one taught me, again, that the diagnosis you make in the first thirty seconds is the one you have to be willing to throw out when the exam tells you something different. Listen to the body. The body will tell you what is wrong if you give it the chance.

In the end J squatted 485 for a set of 15 on his last team practice. No pain.

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NEXT EDITION: April 17th, 2026

Ankle Instability in Cheerleading and Gymnasitcs

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In health and strength,

Dr. Thomas Kauffman, DC, CDNP, CSCS, USAW
The Clinical Coach™

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