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Related Concept Videos

Articulations of the Vertebral Column01:28

Articulations of the Vertebral Column

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In addition to being held together by the intervertebral discs, adjacent vertebrae also articulate with each other at synovial joints formed between the superior and inferior articular processes called zygapophysial joints (facet joints). These are plane joints that provide for only limited motions between the vertebrae. The orientation of the articular processes at these joints varies in different regions of the vertebral column and serves to determine the types of motions available in each...
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Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Muscles that Move the Head01:19

Muscles that Move the Head

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The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
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Ankle Joint01:10

Ankle Joint

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The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...
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Accessory Structures of the Eye01:17

Accessory Structures of the Eye

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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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Sutures of the Skull01:22

Sutures of the Skull

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The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
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Related Experiment Videos

Atlanto-occipital dislocation.

Graham C Hall1, Michael J Kinsman1, Ryan G Nazar1

  • 1Graham C Hall, Michael J Kinsman, Ryan G Nazar, Rob T Hruska, Kevin J Mansfield, Maxwell Boakye, Ralph Rahme, Department of Neurosurgery, University of Louisville, Louisville, KY 40241, United States.

World Journal of Orthopedics
|March 21, 2015
PubMed
Summary
This summary is machine-generated.

Atlanto-occipital dislocation (AOD) is increasingly survivable due to better trauma care. Early diagnosis and treatment are crucial for preventing severe outcomes in this challenging injury.

Keywords:
Atlanto-occipital dislocationCervical spineCraniocervical junctionOccipitocervical fusionTrauma

Related Experiment Videos

Area of Science:

  • Trauma Surgery
  • Orthopedic Surgery
  • Emergency Medicine

Background:

  • Atlanto-occipital dislocation (AOD) is a severe injury at the junction of the skull and spine.
  • Improved prehospital care and increased awareness are leading to more recognized cases of AOD.
  • Despite advances, AOD remains associated with high rates of morbidity and mortality.

Purpose of the Study:

  • To provide a comprehensive review of atlanto-occipital dislocation.
  • To discuss biomechanical factors, clinical presentations, and diagnostic criteria for AOD.
  • To outline current treatment strategies for managing AOD.

Main Methods:

  • Literature review of biomechanical studies, clinical case series, and treatment outcome data.
  • Analysis of diagnostic imaging modalities and their effectiveness in identifying AOD.
  • Synthesis of evidence-based recommendations for AOD management.

Main Results:

  • AOD diagnosis is often challenging, requiring a high index of clinical suspicion.
  • Timely recognition and intervention are critical for improving patient outcomes.
  • Advances in imaging and surgical techniques are enhancing AOD survivability.

Conclusions:

  • Atlanto-occipital dislocation, while severe, is increasingly survivable with prompt management.
  • A multidisciplinary approach involving emergency, orthopedic, and surgical teams is vital.
  • Continued research into biomechanics and treatment optimization is necessary for further improving AOD outcomes.