Ankle Fracture Surgery: ORIF for Bimalleolar and Trimalleolar Ankle Fractures

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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When Ankle Fractures Require Surgery

Ankle fractures are among the most common fractures treated in emergency departments, and a significant proportion require surgical stabilization. The decision between non-surgical and surgical treatment depends on fracture pattern, displacement, stability, and patient factors. At Balance Foot & Ankle, our Michigan foot and ankle surgeons evaluate and treat ankle fractures throughout Southeast Michigan, providing both conservative management and open reduction and internal fixation (ORIF) for fractures that require surgical stabilization.

Understanding Ankle Fracture Patterns

The ankle is a mortise joint formed by the tibia, fibula, and talus. The fibula forms the lateral malleolus; the medial extension of the tibia forms the medial malleolus; and the posterior tibia forms the posterior malleolus. Fractures are classified by the number of malleoli fractured: unimalleolar (one malleolus), bimalleolar (two), and trimalleolar (all three). The stability of the ankle depends on both bony and ligamentous structures — a bimalleolar equivalent fracture involves the lateral malleolus and the deltoid ligament (medial ligamentous complex) rather than the medial malleolus itself but is equally unstable.

Fracture pattern classifications including Lauge-Hansen and Danis-Weber guide surgical planning. The critical question is whether the talus remains centered beneath the tibia — talar shift (displacement of the talus from under the tibia) dramatically increases cartilage contact stress and leads to rapid post-traumatic arthritis if not corrected.

Indications for ORIF

Surgical stabilization is indicated for displaced fractures with talar shift, bimalleolar and trimalleolar fractures in active patients, unstable unimalleolar fractures where the ankle will not maintain reduction in a cast, and most fracture-dislocations. Young active patients with bimalleolar fractures almost universally benefit from surgery to achieve stable anatomic reduction and allow early protected mobilization. Older, lower-demand patients with specific fracture patterns may be managed conservatively with long-leg casting, but outcomes after ORIF are generally more reliable.

The ORIF Technique

Lateral fibula ORIF is performed through a lateral incision. The fracture fragments are reduced and held with a lateral locking plate and screws that provide strong fixation allowing early weight bearing. Medial malleolus fractures are fixed through a medial incision with lag screws or a tension band construct. Posterior malleolus fractures are addressed through a posterolateral or posterior approach when the fragment involves greater than 25 percent of the tibial articular surface, as larger fragments cause talar subluxation if not reduced and fixed. Syndesmotic fixation with a screw or tightrope device is added when the fibula fracture pattern indicates syndesmotic disruption.

Recovery After Ankle Fracture ORIF

Non-weight bearing for 6 to 8 weeks in a splint followed by a CAM boot is the standard post-operative protocol. Progressive weight bearing begins at 6 to 10 weeks as fracture consolidation progresses on X-ray. Physical therapy for range of motion, proprioception, and strength begins at 6 to 8 weeks. Return to full activity occurs at 3 to 6 months for most patients. Hardware removal is considered at 12 to 18 months in symptomatic patients. Long-term outcomes after anatomic ORIF are excellent for most fracture patterns.

If you have sustained an ankle fracture, contact Balance Foot & Ankle for evaluation. Our foot surgeons provide ankle fracture ORIF throughout Southeast Michigan with urgent appointments available for fracture evaluation.

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Frequently Asked Questions

How long does it take to recover from ankle fracture surgery?

Typical recovery is 6 weeks non-weight-bearing, then 4-6 weeks in a walking boot. Full recovery with return to sports usually takes 4-6 months.

When is ankle fracture surgery necessary?

Surgery is needed for displaced bimalleolar or trimalleolar fractures, unstable ankle injuries, fractures with joint incongruity, and open fractures. Stable fractures can be treated without surgery.

Will I need the plates and screws removed after ankle ORIF?

Most hardware is left in place permanently. Removal may be considered if the hardware causes pain, prominence, or skin irritation after healing is complete.

Ankle Fracture Surgery in Michigan

Bimalleolar and trimalleolar ankle fractures often require ORIF surgery for proper alignment and healing. Our podiatric surgeons perform ankle fracture repair at our Howell and Bloomfield Hills offices.

Learn About Ankle Fracture Treatment | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Court-Brown CM, et al. Epidemiology of adult fractures: a review. Injury. 2006;37(8):691-697.
2. Egol KA, et al. Ankle fracture management: a practical approach. Bull NYU Hosp Jt Dis. 2006;64(1-2):40-51.
3. Stufkens SA, et al. Long-term outcome after 1822 operatively treated ankle fractures. Foot Ankle Int. 2009;30(5):396-403.

Your Board-Certified Podiatrists

Dr. Tom Biernacki, DPM

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Dr. Tom Biernacki, DPM

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.