Geriatric Lateral Compression 1 Pelvic Fractures

Inclusion Criteria: * Patients \>/= 60 years of age * Lateral compression 1 pelvic ring fractures confirmed with plain radiographs, CT and/or MRI * Low energy mechanism of injury or an insufficiency fracture without a precipitating event * Acute injury within four weeks of presentation * Inability or significant pain to mobilize with physical therapy assistance for 48 hours: Significant pain as determined by a pain score ≥ 7 with the Visual Analogue Scale (VAS) after a Timed "Up \& Go" (TUG) assessment, or inability to complete the TUG assessment. Exclusion Criteria: * Dementia * Vertically or rotationally unstable pelvic ring injuries * Pathologic fracture secondary to tumor * Non-ambulatory prior to injury * Acute neurologic deficit * High-energy mechanism of injury * Concomitant injuries affecting ambulation * Presence of another injury or medical condition that prevents ambulation * Presence of implant or sacral morphology that prevents percutaneous sacral fixation * Enrollment in another research study the precludes co-enrollment * Likely problems, in the judgement of the investigators, with maintaining follow-up (i.e. patients with no fixed address, etc.) * Incarcerated or pending incarceration