Cervical Spine Acute Bony Injuries in Sports Medicine

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Cervical spine fractures lead to substantial morbidity and mortality. Neck injury in athletes can quickly end or change the future of an athlete. Failure to properly recognize and provide early care in cervical spine fracture cases may lead to devastating complications. [1, 2, 3, 4]

A C3 spinous fracture is depicted in the image below.

For patient education resources, see the Back, Ribs, Neck, and Head Center, as well as Neck Strain, Vertebral Compression Fracture, and Whiplash.

United States

The incidence of all spinal injuries in the United States has been reported at approximately 10,000 cases per year. Nearly 200,000 people in the United States have a history of spinal injuries. These statistics do not differentiate between injuries with fracture and injuries without fracture. [5, 6, 7]

Sports-related activities represent 10-15% of these injuries, and spinal injuries represent 2-3% of all sports-related injuries. Certain sports (eg, American football, diving, gymnastics, skiing, wrestling, rugby, hang gliding, surfing, equestrian events) are more frequently associated with the risk of spinal trauma. [2, 3, 4, 6, 7, 8, 9, 10, 11, 12]

The most common spinal injuries cited in the literature are injuries secondary to contact sports such as football. Nearly 1.2 million high school athletes and 200,000 college and professional athletes participate in football. The National Football Head and Neck Injury Registry contains data on cervical spine injuries as a result of participation in football. A trend can be seen over time, as equipment and helmets improved. The incidence of cervical spine injuries increased until 1976. In that year, antispearing rules were established to prevent the athlete from using the helmet as driving force in tackles. Direct collision created higher axial loads than the neck could withstand, leading to high injury rates. This rule, along with better coaching of blocking and tackling techniques, has resulted in a significant decrease in the number of spinal injuries. [10]

Diving is often cited as another significant cause of cervical spine injuries. Injuries resulting from diving are often associated with devastating outcomes. Diving rules (eg, depth of starting areas) and proper technique have lowered the probability of injury during supervised athletic events. However, unsupervised swimming and diving into shallow water present significant risks. Public awareness of this problem has led to the development of special awareness programs, but the risk of injury remains high.

Leonard et al studied 540 children with cervical spine injuries and found that while motor vehicle crashes accounted for the most common injury in the axial region for children 2 and 2 to 7 years old, sports accounted for as many injuries as motor vehicle crashes (53% being subaxial) in children 8 to 15 years old. [13]  

The human spine serves to provide structural support and bony protection of the spinal cord. The cervical spine consists of 7 bony vertebrae separated by flexible intervertebral discs. They are joined together by an intricate network of ligaments, which helps form the normal lordotic curve of the cervical neck. [14]

The spinal column can be divided into 2 separate columns based on function and injury patterns. The anterior column consists of the bodies of the vertebrae, intervertebral discs, and the anterior and posterior longitudinal ligaments. The function of the vertebral body is to support weight. The posterior column contains the spinal canal and consists of the pedicles, laminae, articulating facets, and transverse and spinous processes. These structures form the vertebral arch, which encloses the vertebral foramen and protects the neural tissues.

The arch is formed by bilateral pedicles that are oriented posteriorly and join 2 laminae. The spinous process arises posteriorly from the vertebral arch. The cervical transverse processes and 4 articular processes also arise from the arch. The cervical transverse processes are unique to the vertebral column with an oval foramen transversarium. The vertebral arteries pass through these foramina. The posterior column also includes a group of ligaments including the supraspinous, infraspinous, interspinous, and nuchal ligaments.

The first 2 cervical vertebrae are atypical in form and function. The next 5 vertebrae are all similar in structure and function. The atlas, C1, is a ring-shaped bone that supports the skull. Two concave, superior articular facets articulate with the occipital condyles. The atlas does not have a body or spinous process. The atlas has an anterior and posterior arch, each with a tubercle and lateral mass. The axis, C2, is the strongest cervical vertebrae. The atlas rotates on 2 large articulating surfaces. The odontoid process (dens) projects superiorly from the C2 body and is the bony structure that the atlas rotates on. The odontoid process is held in place by the transverse ligament of the atlas.

Contact sports, falls, and diving in sports may lead to vertebral stress and fractures. Sports that involving tackling can increase exposure to mechanisms causing fractures.

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George L Hertner, MD Chief of Emergency Medicine, UCHealth Memorial Hospital of Colorado Springs

George L Hertner, MD is a member of the following medical societies: American College of Emergency Physicians, American Medical Association, Colorado Medical Society

Disclosure: Nothing to disclose.

Nathaniel Johnson Stewart, Jr, MD, FACEP, MT(ASCP) Former Director for Education and Professional Services, Chair of the Department of Emergency Medicine, Attending Physician, Palmetto Health Richland Hospital; Associate professor of Medicine and Surgery, UUniversity of South Carolina School of Medicine, Columbia

Nathaniel Johnson Stewart, Jr, MD, FACEP, MT(ASCP) is a member of the following medical societies: Alpha Omega Alpha, Society for Academic Emergency Medicine, American College of Emergency Physicians, South Carolina Medical Association

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Received salary from Medscape for employment. for: Medscape.

Henry T Goitz, MD Academic Chair and Associate Director, Detroit Medical Center Sports Medicine Institute; Director, Education, Research, and Injury Prevention Center; Co-Director, Orthopaedic Sports Medicine Fellowship

Henry T Goitz, MD is a member of the following medical societies: American Academy of Orthopaedic Surgeons, American Orthopaedic Society for Sports Medicine

Disclosure: Nothing to disclose.

Sherwin SW Ho, MD Associate Professor, Department of Surgery, Section of Orthopedic Surgery and Rehabilitation Medicine, University of Chicago Division of the Biological Sciences, The Pritzker School of Medicine

Sherwin SW Ho, MD is a member of the following medical societies: American Academy of Orthopaedic Surgeons, Arthroscopy Association of North America, Herodicus Society, American Orthopaedic Society for Sports Medicine

Disclosure: Received consulting fee from Biomet, Inc. for speaking and teaching; Received grant/research funds from Smith and Nephew for fellowship funding; Received grant/research funds from DJ Ortho for course funding; Received grant/research funds from Athletico Physical Therapy for course, research funding; Received royalty from Biomet, Inc. for consulting.

Janos P Ertl, MD Assistant Professor, Department of Orthopedic Surgery, Indiana University School of Medicine; Chief of Orthopedic Surgery, Wishard Hospital; Chief, Sports Medicine and Arthroscopy, Indiana University School of Medicine

Janos P Ertl, MD is a member of the following medical societies: American Academy of Orthopaedic Surgeons, American Orthopaedic Association, Hungarian Medical Association of America, Sierra Sacramento Valley Medical Society

Disclosure: Nothing to disclose.

The authors and editors of Medscape Reference gratefully acknowledge the contributions of previous author coauthor Mark Leski, MD, to the development and writing of this article.

Cervical Spine Acute Bony Injuries in Sports Medicine

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