Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
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Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.
Two Distinct Forms of Achilles Tendinopathy
Achilles tendinopathy is not a single condition but encompasses two distinct clinical entities with different mechanisms, clinical presentations, and treatment requirements: midportion Achilles tendinopathy (occurring 2–6 cm above the heel bone insertion) and insertional Achilles tendinopathy (occurring at the precise point where the Achilles tendon attaches to the posterior calcaneus). This distinction is clinically critical because the treatment strategies that work for midportion disease—particularly eccentric heel drops performed below the step level—are not only ineffective for insertional disease but can actually worsen symptoms by increasing compressive load at the already-irritated insertion site.
Why Insertional Achilles Tendinopathy Is Different
The insertional zone of the Achilles tendon is subjected not only to tensile (pulling) forces during calf muscle contraction, but also to compressive forces when the ankle is dorsiflexed—pressing the tendon against the posterior calcaneus. Over time, this combination of tension and compression at the insertion produces a characteristic triad of pathology: tendinopathic changes within the distal Achilles (intratendinous degeneration), retrocalcaneal bursitis (inflammation of the bursa between the tendon and the posterior calcaneal tuberosity), and a posterior calcaneal exostosis (Haglund deformity)—a bony prominence on the posterosuperior heel that mechanically impinges on the tendon during dorsiflexion. This bony component is absent in midportion tendinopathy and fundamentally changes the treatment approach.
Symptoms and Diagnosis
Insertional Achilles tendinopathy presents with pain localized specifically to the posterior heel at the Achilles insertion—distinctly lower than the midportion location. The pain is worst with the first steps in the morning, after prolonged sitting, and during and after high-demand activity. A visible, palpable bony prominence on the posterosuperior heel (Haglund deformity) is present in many cases and causes direct shoe counter irritation. Pain worsens when wearing shoes with a rigid heel counter. Lateral X-ray of the ankle with the foot in neutral demonstrates the Haglund deformity and calcific changes at the Achilles insertion. MRI characterizes the tendinopathic changes, retrocalcaneal bursitis, and extent of intratendinous calcification.
Conservative Treatment
Unlike midportion tendinopathy, insertional disease is treated with concentric (not eccentric) heel raises to maintain calf strength without increasing calcaneal compression. Heel lifts worn in all footwear reduce the dorsiflexion angle that compresses the tendon against the bone. Open-back footwear (clogs, sandals) eliminates heel counter pressure. Extracorporeal shockwave therapy (ESWT) has strong evidence for insertional Achilles tendinopathy—including calcific forms—and is a highly effective non-surgical treatment. Corticosteroid injection is used selectively for retrocalcaneal bursitis but avoided directly into the tendon due to rupture risk.
Surgical Treatment
Surgical intervention is considered after 3–6 months of appropriate conservative management. The procedure involves removal of the Haglund deformity (posterior calcaneal exostosis), excision of the retrocalcaneal bursa, debridement of intratendinous calcifications and degenerative tendon tissue, and reattachment of the Achilles tendon to the calcaneus if significant tendon detachment was required for adequate pathology access. Recovery requires 6–8 weeks of non-weight-bearing when significant Achilles detachment is performed, with complete return to activity at 4–6 months. Patient satisfaction rates following surgery for insertional Achilles tendinopathy are high—approximately 85–90%—when appropriate patient selection and surgical technique are applied.
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Board-certified podiatrists serving Southeast Michigan. Same-week appointments available.
Insertional Achilles Tendinopathy Treatment in Michigan
Insertional Achilles tendinopathy causes pain at the back of the heel where the tendon attaches to the bone. Dr. Tom Biernacki offers advanced treatments including EPAT shockwave therapy, MLS laser, eccentric loading programs, and surgical debridement when conservative care fails.
Learn About Our Achilles Tendon Treatments | Book Your Appointment | Call (810) 206-1402
Clinical References
- Maffulli N, et al. “Clinical diagnosis of Achilles tendinopathy with tendinosis.” Clin J Sport Med. 2003;13(1):11-15.
- Kearney RS, et al. “Insertional Achilles tendinopathy management: a systematic review.” Foot Ankle Int. 2010;31(8):689-694.
- McGarvey WC, et al. “Insertional Achilles tendinosis: surgical treatment through a central tendon splitting approach.” Foot Ankle Int. 2002;23(1):19-25.
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3980 E Grand River Ave, Suite 140
Howell, MI 48843
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43700 Woodward Ave, Suite 207
Bloomfield Hills, MI 48302
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Book Your AppointmentWatch: Insertional Achilles Tendinopathy
Dr. Tom on insertional Achilles — Haglund vs insertional overlap, different from mid-substance, eccentric-heel-drops CAUTION (can worsen), heel lifts, shockwave, debridement surgery.
Insertional Achilles Kit
Insertion-specific protocol. Dr. Tom’s kit:
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Insertion offload.
Overnight calf-chain stretch.
Flare inflammation.
Topical posterior relief.
Related: Achilles Tendonitis · Haglund Deformity · Book Achilles Eval
In Our Clinic
Most Achilles tendonitis patients we see at Balance Foot & Ankle are recreational runners in their 40s or 50s who ramped up mileage too quickly, plus a second cohort of middle-aged women who recently switched from heels to flat shoes. The first question we ask is whether the pain is at the insertion on the heel bone versus 2–6 cm up the mid-substance — the treatment ladder is genuinely different. Eccentric heel-drops, heel lifts, and a soft-strike gait retraining pass resolve ~80 % of cases. The ones who aren’t improving by week 8 usually have an unrecognized Haglund’s deformity or insertional calcific tendinosis that needs imaging.
More Podiatrist-Recommended Achilles Essentials
Achilles Night Splint
No products found.
Gentle dorsiflexion overnight reduces morning tendon stiffness.
Heel-Lifting Insole
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Reduces Achilles tension by offloading the tendon during every step.
Calf Massage Ball
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Rolling the calf releases the upstream tension that inflames the Achilles.
As an Amazon Associate, Balance Foot & Ankle earns from qualifying purchases. Product recommendations are based on clinical experience; prices and availability shown above update live from Amazon.
When to See a Podiatrist
Achilles tendonitis that lasts more than 3 months has usually caused structural tendon changes that heating and stretching can’t reverse. Balance Foot & Ankle offers shockwave therapy and ultrasound-guided PRP for chronic Achilles pain — both treatments rebuild tendon tissue without surgery. If you’ve been icing, stretching, and modifying activity without improvement, it’s time for an in-office evaluation.
Call Balance Foot & Ankle: (810) 206-1402 · Book online · Offices in Howell & Bloomfield Hills
Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has reached over one million views.
Frequently Asked Questions
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- Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
- Plantar Fasciitis (APMA)
- Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
- Heel Pain (APMA)
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