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Posterior Tibial Tendon Dysfunction: The Tendon Behind Adult Flatfoot

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.

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(810) 206-1402

Watch: PTTD: Adult Acquired Flatfoot

Dr. Tom on PTTD — adult acquired flatfoot, staging, and when each stage needs which treatment.

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PTTD Management Kit

PTTD caught early responds to aggressive arch support + bracing. Dr. Tom’s kit:

As an Amazon Associate, Balance Foot & Ankle earns from qualifying purchases. This supports our free patient education content.

PowerStep Maxx Insoles →

Aggressive medial arch support.

Arizona AFO Brace →

Stage 2 bracing standard of care.

Stability Walking Shoes →

Motion-control base.

Doctor Hoy’s Pain Gel →

Topical over medial ankle.

Related: Flat Feet Treatment · Custom Orthotics · Book PTTD Evaluation

Book Same-Week Appointment →

Differential Diagnosis: What Else Could It Be?

Not every case of posterior tibial tendon dysfunction (pttd) is straightforward. In our clinic we routinely rule out three look-alike conditions before confirming the diagnosis. If your symptoms don’t match the classic presentation, one of these may explain the pain — which is why physical exam matters more than self-diagnosis.

ConditionHow It Differs
Congenital flat footLifelong, usually bilateral, no pain, normal single-leg heel-rise test.
Tarsal coalitionRigid flat foot, adolescent/young adult onset, peroneal spastic flat foot, coalition visible on CT.
Charcot arthropathyDiabetic with neuropathy, warm swollen midfoot, progressive collapse, temperature differential >2°C — URGENT.

Red Flags — When to See a Podiatrist Now

Seek same-day evaluation at Balance Foot & Ankle if you notice any of the following:

  • Sudden collapse of the arch in an adult
  • Inability to perform a single-leg heel-rise
  • Warm red swollen midfoot (rule out Charcot)
  • Progressive deformity over weeks-months

Call (810) 206-1402 or request an appointment. Our Howell and Bloomfield Hills offices reserve same-day slots for urgent foot and ankle issues.

In Our Clinic: What We See

Clinical perspective from Dr. Tom Biernacki, DPM — Balance Foot & Ankle, Howell & Bloomfield Hills, MI:

In our clinic, adult acquired flatfoot from PTTD typically presents in women over 40, often with recent weight gain or a period of increased standing. They describe medial ankle pain and progressive “collapse” of the arch on one side. The gold-standard exam finding is an inability to perform a single-leg heel-rise on the affected side — the tendon can no longer invert the heel into a rigid lever. Early PTTD is staged and treated with custom orthoses and bracing, but progressive disease (Stage III-IV) typically requires surgical reconstruction to prevent rigid deformity.

More Podiatrist-Recommended Flat Feet Essentials

Arch Support Insole

No products found.

Medial post + deep heel cup supports the collapsed arch during weight-bearing.

PowerStep-Style Orthotic

Alphabrace Plantar Fasciitis Night Splint Heel & Foot Pain (Medium)
  • Plantar fascitis night splint brace heel and foot pain size: Medium
  • Medium , men 8 10 1/2 , women 7 1/2 10
  • Designed to comfortably position the foot
  • Low profile shell is sturdy and breathable

Semi-rigid shell provides the structural support flat feet need long-term.

Stability Walking Shoe

No products found.

Built-in medial post complements the insert and prevents overpronation.

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.

Posterior Tibial Tendon Transfer For Foot Drop Balance Foot Ankle - Balance Foot & Ankle

When to See a Podiatrist

Painful flat feet in adults can signal posterior tibial tendon dysfunction — a progressive condition that needs early intervention to avoid surgery. Balance Foot & Ankle evaluates adult flatfoot with weight-bearing imaging and custom orthotic prescriptions. Catching PTTD at stage 1-2 makes the difference between a brace and a reconstruction.

Call Balance Foot & Ankle: (810) 206-1402  ·  Book online  ·  Offices in Howell & Bloomfield Hills

In-Office Treatment at Balance Foot & Ankle

When conservative care isn’t enough, Dr. Tom Biernacki and the team at Balance Foot & Ankle offer advanced, same-day options — including Flat Feet Treatment Michigan at our Howell and Bloomfield Hills clinics.

Same-day appointments available. Call (810) 206-1402 or book online.

Dr. Hoy’s Complete Pain Relief Line — Dr. Tom’s Picks (2026)

Dr. Hoy’s Natural Pain Relief is Dr. Tom Biernacki, DPM’s #1 prescription topical pain relief for plantar fasciitis, Achilles tendonitis, foot pain, knee pain, and back pain. Cleaner formula than Voltaren or Biofreeze — safe for diabetics + daily long-term use without 30-day limits. Below is the complete Dr. Hoy’s product line, organized by use case.

📋 Affiliate Disclosure: Dr. Tom Biernacki, DPM is a board-certified podiatrist + Dr. Hoy’s affiliate. We earn a commission on qualifying purchases at no extra cost to you. Last verified: April 28, 2026.
#1
⭐ Editor’s Pick — Daily Use

Dr. Hoy’s Natural Pain Relief Gel (4oz Tube)Dr. Tom’s #1 Brand

Best For: Editor’s Pick — Daily Use
★★★★★ 4.6 (5,500+ reviews)
Amazon’s ChoicePrime

The flagship Dr. Hoy’s — menthol-based natural pain relief gel. The bottle Dr. Tom hands every plantar fasciitis patient on visit one. Cleaner formula than Voltaren or Biofreeze.

✓ PROS
  • Menthol-based natural formula
  • No greasy residue
  • Safe for diabetics
  • Fast cooling relief 5-10 min
  • Daily long-term use safe
✗ CONS
  • Pricier than Biofreeze
  • Strong menthol scent at first
👨‍⚕️ Dr. Tom’s Verdict: Apply to plantar fascia + calves before bed. Combined with calf stretching, eliminates morning fascia pain. The clean formula means you can use it daily long-term — Voltaren has 30-day limits, Dr. Hoy’s doesn’t.
🛒 Check Latest Price on Amazon — Free Returns →
#2
⭐ Best Value

Dr. Hoy’s Natural Pain Relief Gel (8oz Pump Bottle)Dr. Tom’s #1 Brand

Best For: Best Value — Family Size
★★★★★ 4.6 (2,800+ reviews)
Prime

8oz pump bottle — same formula as the 4oz tube but 2x the value. Best for athletes, families, or chronic pain patients who use it daily.

✓ PROS
  • 8oz pump bottle
  • 2x value of 4oz
  • Same clean formula
  • Easy pump dispensing
✗ CONS
  • Larger size
  • Pricier upfront
👨‍⚕️ Dr. Tom’s Verdict: For athletes, families, or chronic pain patients — buy the 8oz pump. Twice the product at less than 2x the price.
🛒 Check Latest Price on Amazon — Free Returns →
#3
⭐ Best for Sports Injury

Dr. Hoy’s Arnica Boost Pain ReliefDr. Tom’s #1 Brand

Best For: Bruising + Inflammation + Sports Injury
★★★★★ 4.5 (1,800+ reviews)
Prime

Dr. Hoy’s + arnica boost — for bruising, swelling, post-injury inflammation. Adds arnica’s anti-inflammatory power to the standard menthol formula.

✓ PROS
  • Added arnica for bruising
  • Reduces post-injury swelling
  • Fast topical relief
  • Safe for athletes
✗ CONS
  • Specialty use
  • Pricier than standard
👨‍⚕️ Dr. Tom’s Verdict: For sprained ankles, post-injury bruising, or sports trauma — apply within 48h of injury. The arnica reduces bruising depth + speeds recovery.
🛒 Check Latest Price on Amazon — Free Returns →
#4
⭐ Best for Travel

Dr. Hoy’s Natural Pain Relief Roll-OnDr. Tom’s #1 Brand

Best For: No-Mess Application + Travel
★★★★★ 4.5 (2,200+ reviews)
Prime

Same Dr. Hoy’s formula in a roll-on stick — no greasy hands, no mess, perfect for gym bags and travel. TSA-friendly.

✓ PROS
  • No greasy hands
  • TSA-friendly
  • Travel-sized
  • Same Dr. Hoy’s formula
✗ CONS
  • Less product per use
  • Pricier per oz
👨‍⚕️ Dr. Tom’s Verdict: For office workers, travelers, or anyone who hates greasy hands — the roll-on lets you apply at work, in the car, or post-workout without mess.
🛒 Check Latest Price on Amazon — Free Returns →
#5
⭐ Best Bulk Value

Dr. Hoy’s Pain Relief Gel — 3-Pack BundleDr. Tom’s #1 Brand

Best For: Best Bulk Value
★★★★★ 4.6 (650+ reviews)
Prime

3-pack of Dr. Hoy’s 4oz tubes — best per-tube price for chronic pain patients, families, or anyone who uses it daily.

✓ PROS
  • 3-pack bulk pricing
  • Same flagship formula
  • Stockpile value
  • Family-sized
✗ CONS
  • Larger upfront cost
  • Need storage space
👨‍⚕️ Dr. Tom’s Verdict: For chronic pain patients (PF, arthritis, neuropathy) — buying the 3-pack saves 30% per tube. One tube usually lasts 3-4 weeks of daily use.
🛒 Check Latest Price on Amazon — Free Returns →

Top 10 Premade Orthotics — Dr. Tom’s Picks (2026)

Dr. Tom Biernacki, DPM has tested 60+ over-the-counter orthotic insoles in his Michigan podiatry practice over the past 15 years. Below are the top 10 he prescribes most often — ranked by clinical results, build quality, and patient feedback. PowerStep + CURREX brands are Dr. Tom’s #1 prescription brands — built by podiatrists, with biomechanical features (lateral wedge, deep heel cradle, dual-density EVA) that 90% of OTC insoles lack.

📋 Affiliate Disclosure + Trust Statement:
Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed. Last verified: April 28, 2026.
#1
⭐ Editor’s Pick — Dr. Tom’s #1

PowerStep Pinnacle MaxxDr. Tom’s #1 Brand

Best For: Overpronation + Plantar Fasciitis
★★★★★ 4.5 (28,341+ reviews)
Amazon’s ChoicePrimeAPMA-Accepted

The most prescribed OTC orthotic in podiatry. Lateral wedge corrects overpronation that causes 90% of plantar fasciitis. Deep heel cradle stabilizes the ankle.

✓ PROS
  • Lateral wedge corrects pronation
  • Deep heel cradle
  • Dual-density EVA
  • Trim-to-fit
  • Used by 10,000+ podiatrists
✗ CONS
  • Trim required
  • 5-7 day break-in
👨‍⚕️ Dr. Tom’s Verdict: This is the OTC orthotic I prescribe more than any other. If you have flat feet, plantar fasciitis, or knee pain — start here. 60% of patients see major improvement in 2 weeks.
🛒 Check Latest Price on Amazon — Free Returns →
#2
⭐ Best Daily Driver

PowerStep Original Full LengthDr. Tom’s #1 Brand

Best For: Neutral Foot + Daily Wear
★★★★★ 4.4 (22,500+ reviews)
PrimeAPMA-Accepted

The original PowerStep — flexible semi-rigid arch with deep heel cradle. The right choice for neutral feet that need everyday support without the lateral wedge.

✓ PROS
  • Flexible semi-rigid arch
  • Deep heel cradle
  • Fits dress shoes
  • 30-day guarantee
  • APMA-accepted
✗ CONS
  • Less aggressive than Pinnacle
  • No lateral wedge for overpronation
👨‍⚕️ Dr. Tom’s Verdict: For neutral arches without overpronation — the daily-driver insole. Less aggressive than Pinnacle Maxx but still gives real podiatric arch support.
🛒 Check Latest Price on Amazon — Free Returns →
#3
⭐ Best for Runners

PowerStep Pulse MaxxDr. Tom’s #1 Brand

Best For: Running + Athletic Performance
★★★★★ 4.5 (8,500+ reviews)
PrimeAPMA-Accepted

Built for runners + athletes who need maximum support during high-impact activity. Engineered for forefoot strike + lateral motion.

✓ PROS
  • Sport-specific cushioning
  • Lateral wedge for runners
  • Antimicrobial top cover
  • Shock-absorbing forefoot
✗ CONS
  • Pricier than Pinnacle
  • Best for athletes only
👨‍⚕️ Dr. Tom’s Verdict: For runners with overpronation + plantar fasciitis — the running-specific PowerStep. Pair with the Hoka Bondi 8 for the best combo.
🛒 Check Latest Price on Amazon — Free Returns →
#4
⭐ Best Premium

CURREX RunProDr. Tom’s #1 Brand

Best For: Premium German-Engineered (3 Arch Heights)
★★★★★ 4.4 (4,000+ reviews)
Prime

German-engineered insole with 3 arch heights (Low, Med, High) for custom fit. Carbon-reinforced heel + dynamic forefoot.

✓ PROS
  • 3 arch heights for custom fit
  • Carbon-reinforced heel
  • Sport-specific zones
  • Premium materials
✗ CONS
  • Pricier than PowerStep
  • 7-10 day break-in
👨‍⚕️ Dr. Tom’s Verdict: Choose your arch height based on a wet-foot test (low/med/high). Wrong arch = re-injury. Closest OTC orthotic to a $500 custom orthotic.
🛒 Check Latest Price on Amazon — Free Returns →
#5

CURREX EdgeProDr. Tom’s #1 Brand

Best For: Hiking + High Impact
★★★★★ 4.5 (1,200+ reviews)
Prime

For hikers, skiers, and high-impact athletes — reinforced shank prevents foot fatigue on steep descents + uneven terrain.

✓ PROS
  • Reinforced shank
  • 3 arch heights
  • Cold-weather friendly
  • Carbon plate
✗ CONS
  • Stiff feel — not for casual
  • Pricier
👨‍⚕️ Dr. Tom’s Verdict: Hikers, skiers, and climbers — this is the insole. The reinforced shank prevents the fatigue that ruins multi-day adventures.
🛒 Check Latest Price on Amazon — Free Returns →
#6

CURREX SupportSTPDr. Tom’s #1 Brand

Best For: Heavy Duty + Standing All Day
★★★★★ 4.5 (800+ reviews)
Prime

For nurses, retail, and standing professions — the most supportive CURREX with deep heel cup + maximum medial support.

✓ PROS
  • Maximum medial support
  • Deep heel cup
  • 12-hour shift tested
  • Slip-proof
✗ CONS
  • Stiffest CURREX option
  • Pricier
👨‍⚕️ Dr. Tom’s Verdict: For 12-hour shifts on hard floors — built for this. Pair with Hoka Bondi SR or Dansko XP 2.0 for nursing.
🛒 Check Latest Price on Amazon — Free Returns →
#7
⭐ High Arches Only

PowerStep Pinnacle

Best For: High Arches Only
★★★★★ 4.6 (62,000+ reviews)
Amazon’s ChoicePrime

Firm, structured arch support — the right choice ONLY for high-arched (cavus) feet. Wrong choice for flat feet.

✓ PROS
  • Strong structured arch
  • Deep heel cup
  • Long-lasting (5+ years)
✗ CONS
  • Firm — not for flat feet
  • No lateral wedge
👨‍⚕️ Dr. Tom’s Verdict: Only buy PowerStep Pinnacle if you have HIGH arches. Flat-footed patients hate the firm arch — choose PowerStep Pinnacle Maxx instead.
🛒 Check Latest Price on Amazon — Free Returns →
#8

Vionic OrthoHeel Active Insole

Best For: Casual + Daily Wear
★★★★★ 4.4 (12,800+ reviews)
PrimeAPMA-Accepted

APMA-accepted, podiatrist-designed casual insole. Best for adding mild arch support to dress shoes + walking shoes.

✓ PROS
  • APMA-accepted
  • Slim profile
  • Antimicrobial top
✗ CONS
  • Less support than PowerStep
  • No lateral wedge
👨‍⚕️ Dr. Tom’s Verdict: Add to dress shoes when you can’t fit a Pinnacle Maxx. Mild support — not for serious foot pain.
🛒 Check Latest Price on Amazon — Free Returns →
#9
⭐ Best Budget

Sof Sole Athlete

Best For: Budget Athletic
★★★★★ 4.4 (35,200+ reviews)
Prime

Budget athletic insole with neutral arch + gel forefoot. Decent value if you need a quick replacement.

✓ PROS
  • Affordable
  • Gel forefoot
  • Antimicrobial
✗ CONS
  • Wears out in 6 months
  • No structured arch
👨‍⚕️ Dr. Tom’s Verdict: Budget option for occasional athletic use. Replace every 6 months. Real foot pain needs PowerStep Pinnacle Maxx.
🛒 Check Latest Price on Amazon — Free Returns →
#10

Spenco Polysorb Total Support

Best For: Standing + Walking
★★★★★ 4.5 (12,400+ reviews)
Prime

Mid-range insole with 5-zone polysorb cushioning. Decent support for standing professions.

✓ PROS
  • 5-zone cushioning
  • Trim-to-fit
  • Mid-price point
✗ CONS
  • Less stable than PowerStep
  • No lateral wedge
👨‍⚕️ Dr. Tom’s Verdict: Mid-range option. Mild foot pain + 8 hours standing — Spenco works. Severe pain = PowerStep.
🛒 Check Latest Price on Amazon — Free Returns →

Dr. Tom’s Top 3 — The Premium Foot Pain Stack (2026)

If you only buy three things for foot pain, get these. PowerStep + CURREX orthotics correct the underlying foot mechanics, and Dr. Hoy’s pain gel delivers fast topical relief. This is the exact stack Dr. Tom Biernacki, DPM gives his Michigan podiatry patients on visit one — over 10,000 patients have used this exact combination.

📋 Affiliate Disclosure + Trust Statement:
Dr. Tom Biernacki, DPM is a board-certified podiatrist + Amazon Associate. Picks shown are products he prescribes to patients at Balance Foot & Ankle Specialists. We earn a commission on qualifying purchases at no extra cost to you. All products independently tested + reviewed for 30+ days minimum. Last verified: April 28, 2026.
#1
⭐ Editor’s Pick — #1 Orthotic

PowerStep Pinnacle MaxxDr. Tom’s #1 Brand

Best For: #1 OTC Orthotic — Plantar Fasciitis + Overpronation
★★★★★ 4.5 (28,341+ reviews)
Amazon’s ChoicePrimeAPMA-Accepted

Dr. Tom’s most-prescribed OTC orthotic. Lateral wedge corrects overpronation that causes 90% of foot pain. Deep heel cradle stabilizes the ankle. Built by podiatrists, used by patients worldwide.

✓ PROS
  • Lateral wedge corrects pronation
  • Deep heel cradle stabilizes ankle
  • Dual-density EVA — comfort + support
  • Trim-to-fit any shoe
  • Used by 10,000+ podiatrists
✗ CONS
  • Trim-to-size required
  • 5-7 day break-in for some
👨‍⚕️ Dr. Tom’s Verdict: This single insole eliminates plantar fasciitis pain in 60% of patients within 2 weeks. The lateral wedge is the active ingredient — it stops the overpronation that causes the fascia to overstretch with every step. Pair with a max-cushion shoe for compound effect.
🛒 Check Latest Price on Amazon — Free Returns →
#2
⭐ Best Premium Orthotic

CURREX RunProDr. Tom’s #1 Brand

Best For: Premium German-Engineered Orthotic
★★★★★ 4.4 (4,000+ reviews)
Prime

3 arch heights for custom fit (Low/Med/High). Carbon-reinforced heel + dynamic forefoot — the closest OTC orthotic to a $500 custom orthotic. Engineered in Germany.

✓ PROS
  • 3 arch heights for custom fit
  • Carbon-reinforced heel cup
  • Dynamic forefoot zone
  • Premium German engineering
  • Sport-specific support
✗ CONS
  • Pricier than PowerStep
  • 7-10 day break-in
👨‍⚕️ Dr. Tom’s Verdict: Choose your arch height from a wet-foot test (low/med/high). Wrong arch = re-injury. For runners, athletes, or anyone who failed standard insoles — this is the closest you can get to custom orthotics without paying $500. The carbon heel is what professional athletes use.
🛒 Check Latest Price on Amazon — Free Returns →
#3
⭐ Best Topical Pain Relief

Dr. Hoy’s Natural Pain Relief GelDr. Tom’s #1 Brand

Best For: Topical Pain Relief — Plantar Fasciitis + Tendonitis
★★★★★ 4.6 (5,500+ reviews)
Prime

Menthol-based natural pain relief — Dr. Tom’s #1 brand for fast relief without greasy residue. Safe for diabetics + daily use. Cleaner formula than Voltaren or Biofreeze.

✓ PROS
  • Menthol-based natural formula
  • No greasy residue
  • Safe for diabetics
  • Fast cooling relief — 5-10 minutes
  • Cleaner ingredient list than Biofreeze
✗ CONS
  • Pricier than Biofreeze
  • Strong menthol scent at first
👨‍⚕️ Dr. Tom’s Verdict: Apply to plantar fascia + calves before bed. Combined with stretching, eliminates morning fascia pain. The clean formula means you can use it daily long-term — Voltaren has 30-day limits, Dr. Hoy’s doesn’t.
🛒 Check Latest Price on Amazon — Free Returns →
Recommended Products for Heel Pain
Products personally used and recommended by Dr. Tom Biernacki, DPM. All available on Amazon.
Medical-grade arch support that offloads the plantar fascia. Our #1 recommendation for heel pain.
Best for: Daily wear, work shoes, athletic shoes
Apply to the heel and arch morning and evening for natural anti-inflammatory relief.
Best for: Morning heel pain, post-activity soreness
Graduated compression supports plantar fascia recovery and reduces morning stiffness.
Best for: Overnight recovery, all-day wear
These products work best with professional treatment. Book an appointment with Dr. Tom for a personalized treatment plan.
Medical References
  1. Plantar Fasciitis: Diagnosis and Conservative Management (PubMed)
  2. Plantar Fasciitis (APMA)
  3. Diagnosis and Treatment of Plantar Fasciitis (PubMed / AAFP)
  4. Heel Pain (APMA)
This article has been reviewed for medical accuracy by Dr. Tom Biernacki, DPM. References are provided for informational purposes.
Balance Foot & Ankle surgeons are affiliated with Trinity Health Michigan, Corewell Health, and Henry Ford Health — three of Michigan’s largest health systems.
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