Related Experiment Video
Updated: Aug 10, 2026

Method and Instrumented Fixture for Femoral Fracture Testing in a Sideways Fall-on-the-Hip Position
Published on: August 17, 2017
Femoral neck stress fractures in children and adolescents
P St Pierre1, L T Staheli, J B Smith
1Madigan Army Medical Center, Tacoma, WA 98431, USA.
Abstract:
Five new cases of femoral neck stress fracture in children and adolescents are added to seven cases in the literature. All patients were involved in increased repetitive activity without evidence of violent trauma. Most fractures healed uneventfully with appropriate treatment. However, increased morbidity from displacement of the fracture, delayed union, nonunion, or avascular necrosis does occur in this age group and needs to be avoided. A delayed union healed after treatment in a spica cast; a nonunion and a displaced fracture healed after internal fixation. All patients returned to their previous level of activity. Our treatment algorithm addresses the unique differences associated with this injury in immature patients and allows for early diagnosis and treatment to prevent complications.
Related Concept Videos
Fractures: Bone Repair
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...
Bones of the Lower Limb: Femur and Patella
Changes in the Appendicular Skeleton with Age
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...

