Efficacy of five cervical orthoses in restricting cervical motion: A comparison study

Vance Askins, Frank J Eismont

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

Study Design. Twenty volunteers, 10 men and 10 women, with clinically and radiographically normal cervical spines were studied. Objectives. To evaluate the effectiveness of five cervical orthoses in their ability to restrict cervical motion in flexion, extension, lateral tilt, rotation, and intervertebral motion. Summary of Background Data. The five cervical orthoses evaluated were the Philadelphia collar (Philadelphia Collar Co., Philadelphia, PA), Aspen (International Healthcare Devices, Long Beach, CA), Stifneck (Laerdal, Armonk, NY), Miami J (Jerome Medical, Moorestown, NJ), and NecLoc (Jerome Medical, Moorestown, NJ) orthoses. Together these five orthoses comprise 80% of the rigid cervical and extrication devices in current use. Methods. The normal and unrestricted ranges of active cervical motion in flexion, extension, and lateral tilt were measured in each subject and compared with the motion permitted in each of the five cervical orthoses. Lateral radiographs of the cervical spine in the neutral position and at maximum flexion and extension were obtained. Measurements of flexion, extension, and combined flexion-extension were determined for the cervical spine as a whole as measured from the occiput to the seventh cervical vertebra and at each intervertebral cervical level. Lateral tilt was measured on an anteroposterior radiograph at the extreme of motion. Rotation was measured using a compass goniometer. Each volunteer served as his own control for the radiographic and goniometric measurements. Results and Conclusion. The NecLoc cervical orthosis demonstrated statistically superior restriction of cervical motion in flexion, extension, rotation, and lateral tilt in comparison with the other four orthoses studied in healthy volunteers. The Miami J cervical orthosis was the next most restrictive orthosis and was superior to the Philadelphia Collar and Aspen orthosis in all parameters of motion.

Original languageEnglish
Pages (from-to)1193-1198
Number of pages6
JournalSpine
Volume22
Issue number11
DOIs
StatePublished - Jun 1 1997

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Orthotic Devices
Spine
Volunteers
Cervical Vertebrae
Equipment and Supplies
Healthy Volunteers
Reference Values
Delivery of Health Care

Keywords

  • Cervical bracing
  • Orthosis
  • Orthotic device

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Orthopedics and Sports Medicine

Cite this

Efficacy of five cervical orthoses in restricting cervical motion : A comparison study. / Askins, Vance; Eismont, Frank J.

In: Spine, Vol. 22, No. 11, 01.06.1997, p. 1193-1198.

Research output: Contribution to journalArticle

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AB - Study Design. Twenty volunteers, 10 men and 10 women, with clinically and radiographically normal cervical spines were studied. Objectives. To evaluate the effectiveness of five cervical orthoses in their ability to restrict cervical motion in flexion, extension, lateral tilt, rotation, and intervertebral motion. Summary of Background Data. The five cervical orthoses evaluated were the Philadelphia collar (Philadelphia Collar Co., Philadelphia, PA), Aspen (International Healthcare Devices, Long Beach, CA), Stifneck (Laerdal, Armonk, NY), Miami J (Jerome Medical, Moorestown, NJ), and NecLoc (Jerome Medical, Moorestown, NJ) orthoses. Together these five orthoses comprise 80% of the rigid cervical and extrication devices in current use. Methods. The normal and unrestricted ranges of active cervical motion in flexion, extension, and lateral tilt were measured in each subject and compared with the motion permitted in each of the five cervical orthoses. Lateral radiographs of the cervical spine in the neutral position and at maximum flexion and extension were obtained. Measurements of flexion, extension, and combined flexion-extension were determined for the cervical spine as a whole as measured from the occiput to the seventh cervical vertebra and at each intervertebral cervical level. Lateral tilt was measured on an anteroposterior radiograph at the extreme of motion. Rotation was measured using a compass goniometer. Each volunteer served as his own control for the radiographic and goniometric measurements. Results and Conclusion. The NecLoc cervical orthosis demonstrated statistically superior restriction of cervical motion in flexion, extension, rotation, and lateral tilt in comparison with the other four orthoses studied in healthy volunteers. The Miami J cervical orthosis was the next most restrictive orthosis and was superior to the Philadelphia Collar and Aspen orthosis in all parameters of motion.

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