Tibial shaft fracture

The tibia is the larger of the two bones in your lower leg — the one that carries almost all your body weight. A tibial shaft fracture is a break anywhere along its main length. It's the most common long-bone fracture in the body and happens in three main patterns: a high-energy direct blow (sports collision, fall from height), a twisting injury (skiing, football tackle), and a slow fatigue crack from repeated loading. Because the tibia sits just under the skin on the front of the leg, an open (compound) fracture — where the broken bone breaks through the skin — is unusually common with this break. Compartment syndrome — dangerous swelling pressure in the calf muscles — is a serious complication that has to be watched for.

Leg pain, swelling, an obvious deformity, and the inability to put any weight on the leg. Your provider checks pulses and nerve function in the foot and looks for signs of compartment syndrome — a calf that feels firm and tense, and pain that fires when the toes are gently pulled back. Front and side X-rays of the lower leg confirm the fracture. A CT scan adds detail when the bone is shattered or the fracture extends into a joint.

Displaced fractures, unstable patterns, open fractures, fractures with many fragments, and those that extend into a nearby joint all need surgery. The standard repair is a long metal nail driven down the marrow canal of the bone (an intramedullary nail) — it's stable enough to let you start bearing weight quickly, which keeps the muscles strong and lowers complication rates.

External patient-education references and related OSI pages for additional background:

• Britannica — Bone disease (fractures)
• Britannica — Knee (anatomy)
• AAOS OrthoInfo — patient education library
• OSI glossary — orthopedic terminology in plain language