PTCase ReportInternational journal of sports physical therapy2026

Calcific Patellar Tendinopathy. A Case Report Integrating Diagnostic Ultrasound Throughout a Multi-Modal Treatment Approach.

Ian Young, Adam Salzman, James Dunning and 4 others

PMID 42694045

WHAT IT FOUND

One 46-year-old woman with calcific patellar tendinopathy improved in pain, function, and tendon ultrasound appearance over 11 months using dry needling, spinal manipulation, and progressive exercise together.

This is a single case, not proof the approach works, and no component can be isolated.

Key findings

01The patient started at 7/10 pain and 50/80 on the LEFS. Her pain met the 2-point minimal clinically important difference within three weeks, and her LEFS exceeded its 9-point threshold at every follow-up. By three months she met all her goals, and at 11 months she squatted 215 pounds without pain.

02Treatment combined HVLA thrust manipulation at every session, ultrasound-guided dry needling with electrical stimulation from weeks 2 through 12, blood flow restriction exercise in weeks 3-6, and progressive strengthening. The patient was seen twice weekly for 12 weeks, then twice monthly for six months.

03Ultrasound showed calcific deposits and partial tendon tearing at baseline. By three months the deposits were smaller and fewer, and by 11 months the tendon had a more fibrillar appearance with no pain on probe pressure.

STILL TO COME

How it was doneWhat they foundWhat it means for PTs

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What it does not show

This is a single patient with no control group, no randomisation, and no way to separate the effect of manipulation, dry needling, and exercise from each other or from natural healing. The authors acknowledge it is unknown whether the calcific deposits would have resorbed on their own, since calcific tendinopathy has a known self-limiting resorptive phase. Ultrasound imaging was limited to the sagittal plane; short-axis and transverse views and Power Doppler flow were not captured, so the full picture of neovascularity and deposit morphology is incomplete. The patient was an active 46-year-old woman with no comorbidities, so the findings may not apply to older, less active, or medically complex patients.

The easy way to misread this

Do not read this as evidence that dry needling, spinal manipulation, or blood flow restriction exercise specifically treats calcific patellar tendinopathy. All three were given simultaneously to one person with no control group, the authors state that causation between any single intervention and the improved outcomes cannot be established, and it remains unknown whether the condition would have resolved on its own during its natural resorptive phase.

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