Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

The Fibula and Ankle Stability

The fibula is the slender bone on the outer side of the leg that forms the lateral malleolus — the bony bump on the outside of the ankle. Along with the tibia’s medial malleolus and posterior malleolus, the fibula creates the ankle mortise: the socket that holds the talus in precise alignment. The integrity of this mortise is essential for normal ankle function and long-term joint health. When the fibula fractures, the stability of the ankle mortise may be compromised, and whether surgical repair is needed depends on the degree of displacement and the overall stability of the ankle joint.

When Surgery Is Necessary

Not all fibular fractures require surgery. Non-displaced isolated lateral malleolus fractures without widening of the ankle mortise can be treated in a walking boot with excellent outcomes. Surgery becomes necessary when the fracture is significantly displaced, when the ankle mortise is widened (talar shift on stress X-ray), or when a bimalleolar or trimalleolar fracture pattern is present — meaning both or all three of the malleoli are fractured. These unstable patterns cannot maintain adequate joint reduction with casting alone and require surgical fixation for reliable healing in anatomic position.

Open Reduction and Internal Fixation (ORIF) of Fibular Fractures

Lateral malleolus ORIF is one of the most commonly performed fracture surgeries. The procedure is performed through a longitudinal incision along the outer ankle. The fracture is reduced — bone fragments are repositioned to their anatomic alignment under direct visualization — and held with implants. A lateral plate and screws is the standard construct: the plate is contoured to the fibula and fixed above and below the fracture with multiple cortical screws, providing rigid fixation that allows protected early weight bearing.

Medial Malleolus Fixation

When the medial malleolus (inner ankle bone) is also fractured — a bimalleolar fracture — it requires separate fixation. Cannulated screws placed from the tip of the medial malleolus into the tibia compress the fracture fragment and restore the medial ankle wall. Alternatively, a tension band wire construct or medial plate is used for more complex fracture patterns.

Syndesmotic Fixation

High fibular fractures (Maisonneuve fractures), certain Weber C fractures, and fractures with syndesmotic (high ankle) ligament injury require stabilization of the tibiofibular syndesmosis in addition to the fibular fracture. Syndesmotic screws placed from the fibula through the tibia hold the distal tibiofibular joint in reduced position while the ligaments heal. These screws are typically removed at 8 to 12 weeks once ligamentous healing is sufficient.

Recovery Timeline

Simple fibular fractures with lateral plate fixation typically allow 2 weeks in a splint followed by transition to a walking boot at 2 to 6 weeks, with full weight bearing allowed once X-rays confirm healing — usually at 6 to 8 weeks. Bimalleolar and trimalleolar fractures may require longer non-weight bearing periods depending on fixation stability. Physical therapy beginning at 6 to 8 weeks addresses range of motion, strength, and gait mechanics. Full recovery including return to sport is typically achieved at 4 to 6 months. Hardware removal is generally not needed unless hardware causes symptoms.

Balance Foot & Ankle performs fibular and ankle fracture ORIF for patients throughout southeastern Michigan. If you have sustained an ankle fracture and are evaluating surgical options, contact us for a comprehensive consultation.

Foot or Ankle Pain? We Can Help.

Balance Foot & Ankle — Howell & Bloomfield Township, MI

📅 Book Online
📞 (810) 206-1402

Ankle Fracture Surgery in Michigan

Fibular fractures often require surgical fixation (ORIF) to restore ankle stability and alignment. Dr. Tom Biernacki performs open reduction and internal fixation of ankle fractures at Balance Foot & Ankle with excellent outcomes.

Learn About Our Ankle Surgery Options | Book Your Appointment | Call (810) 206-1402

Clinical References

1. Donken CC, et al. “Surgical versus conservative interventions for treating ankle fractures in adults.” Cochrane Database Syst Rev. 2012;(8):CD008470.
2. Bauer M, et al. “Malleolar fractures: nonoperative versus operative treatment.” Clin Orthop Relat Res. 1985;(199):17-27.
3. SooHoo NF, et al. “Complication rates following open reduction and internal fixation of ankle fractures.” J Bone Joint Surg Am. 2009;91(5):1042-1049.

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.