Soft and rigid collars provide similar restriction in cervical range of motion during fifteen activities of daily living

Christopher P. Miller, Jesse E. Bible, Kola A. Jegede, Peter G. Whang, Jonathan N. Grauer

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

STUDY DESIGN. Prospective cohort study. OBJECTIVE. To evaluate the relative efficacies of soft and rigid collars for restricting both the full, active and functional ranges of motion (ROM) of the cervical spine during 15 activities of daily living (ADLs). SUMMARY OF BACKGROUND DATA. Cervical collars are frequently used for the purpose of limiting cervical motion after surgical procedures or as a treatment for certain injuries. Rigid collars are generally believed to reduce cervical motion to a greater extent than soft collars but the latter are often preferred by patients because of their greater comfort. Although there are some data to suggest that soft collars restrict full, active ROM (i.e., the extremes of motion) to a lesser degree than rigid braces, there are currently no comparative studies that have assessed the effects of these 2 types of cervical collars on the functional ROM that is required to perform multiple ADLs. METHODS. In this investigation, a previously validated electrogoniometer device was used to quantify both the full, active ROM of 10 subjects as well as the functional ROM they exhibited during a series of 15 ADLs. For each individual, these ROM measurements were repeated after the application of both a soft collar and a rigid orthosis. RESULTS. The soft collar limited flexion/extension, lateral bending, and rotation by 27.1% ± 9.9% (mean ± standard deviation), 26.1% ± 4.8%, and 29.3% ± 10.3%, respectively. The corresponding reductions in ROM with a rigid collar were 53.7% ± 7.2%, 34.9% ± 6%, and 59.2% ± 5.3%, respectively. The rigid collar resulted in significantly lower full, active ROM in both the sagittal and axial planes but not in the lateral bending plane. Compared with the soft collar, the rigid collar afforded no difference in motion during 13 of the 15 simulated ADLs. Greater motion was only noted with backing up a car and sitting from a standing position. CONCLUSION. Although subjects exhibited less full, active ROM of the cervical spine when immobilized in a rigid collar than when they were placed in a soft collar, the motion recorded during various functional tasks was not significantly different for nearly all of the ADLs in this study, regardless of which cervical device was applied. One potential explanation for this finding is that both collars may serve as proprioceptive guides, which allow patients to regulate their own cervical motion based on their level of comfort. Given the paucity of data supporting the use of postoperative bracing, especially after procedures which incorporate internal fixation, this study indicates that a rigid orthosis may be unnecessary in many cases because even a soft collar seems to be sufficient for restricting motion during routine activities until the normal, physiologic ROM of the cervical spine has been restored.

Original languageEnglish (US)
Pages (from-to)1271-1278
Number of pages8
JournalSpine
Volume35
Issue number13
DOIs
StatePublished - Jun 1 2010

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Activities of Daily Living
Articular Range of Motion
Orthotic Devices
Spine
Equipment and Supplies
Braces
Posture
Reference Values
Cohort Studies
Prospective Studies
Wounds and Injuries

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Clinical Neurology

Cite this

Miller, Christopher P. ; Bible, Jesse E. ; Jegede, Kola A. ; Whang, Peter G. ; Grauer, Jonathan N. / Soft and rigid collars provide similar restriction in cervical range of motion during fifteen activities of daily living. In: Spine. 2010 ; Vol. 35, No. 13. pp. 1271-1278.
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Soft and rigid collars provide similar restriction in cervical range of motion during fifteen activities of daily living. / Miller, Christopher P.; Bible, Jesse E.; Jegede, Kola A.; Whang, Peter G.; Grauer, Jonathan N.

In: Spine, Vol. 35, No. 13, 01.06.2010, p. 1271-1278.

Research output: Contribution to journalArticle

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T1 - Soft and rigid collars provide similar restriction in cervical range of motion during fifteen activities of daily living

AU - Miller, Christopher P.

AU - Bible, Jesse E.

AU - Jegede, Kola A.

AU - Whang, Peter G.

AU - Grauer, Jonathan N.

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N2 - STUDY DESIGN. Prospective cohort study. OBJECTIVE. To evaluate the relative efficacies of soft and rigid collars for restricting both the full, active and functional ranges of motion (ROM) of the cervical spine during 15 activities of daily living (ADLs). SUMMARY OF BACKGROUND DATA. Cervical collars are frequently used for the purpose of limiting cervical motion after surgical procedures or as a treatment for certain injuries. Rigid collars are generally believed to reduce cervical motion to a greater extent than soft collars but the latter are often preferred by patients because of their greater comfort. Although there are some data to suggest that soft collars restrict full, active ROM (i.e., the extremes of motion) to a lesser degree than rigid braces, there are currently no comparative studies that have assessed the effects of these 2 types of cervical collars on the functional ROM that is required to perform multiple ADLs. METHODS. In this investigation, a previously validated electrogoniometer device was used to quantify both the full, active ROM of 10 subjects as well as the functional ROM they exhibited during a series of 15 ADLs. For each individual, these ROM measurements were repeated after the application of both a soft collar and a rigid orthosis. RESULTS. The soft collar limited flexion/extension, lateral bending, and rotation by 27.1% ± 9.9% (mean ± standard deviation), 26.1% ± 4.8%, and 29.3% ± 10.3%, respectively. The corresponding reductions in ROM with a rigid collar were 53.7% ± 7.2%, 34.9% ± 6%, and 59.2% ± 5.3%, respectively. The rigid collar resulted in significantly lower full, active ROM in both the sagittal and axial planes but not in the lateral bending plane. Compared with the soft collar, the rigid collar afforded no difference in motion during 13 of the 15 simulated ADLs. Greater motion was only noted with backing up a car and sitting from a standing position. CONCLUSION. Although subjects exhibited less full, active ROM of the cervical spine when immobilized in a rigid collar than when they were placed in a soft collar, the motion recorded during various functional tasks was not significantly different for nearly all of the ADLs in this study, regardless of which cervical device was applied. One potential explanation for this finding is that both collars may serve as proprioceptive guides, which allow patients to regulate their own cervical motion based on their level of comfort. Given the paucity of data supporting the use of postoperative bracing, especially after procedures which incorporate internal fixation, this study indicates that a rigid orthosis may be unnecessary in many cases because even a soft collar seems to be sufficient for restricting motion during routine activities until the normal, physiologic ROM of the cervical spine has been restored.

AB - STUDY DESIGN. Prospective cohort study. OBJECTIVE. To evaluate the relative efficacies of soft and rigid collars for restricting both the full, active and functional ranges of motion (ROM) of the cervical spine during 15 activities of daily living (ADLs). SUMMARY OF BACKGROUND DATA. Cervical collars are frequently used for the purpose of limiting cervical motion after surgical procedures or as a treatment for certain injuries. Rigid collars are generally believed to reduce cervical motion to a greater extent than soft collars but the latter are often preferred by patients because of their greater comfort. Although there are some data to suggest that soft collars restrict full, active ROM (i.e., the extremes of motion) to a lesser degree than rigid braces, there are currently no comparative studies that have assessed the effects of these 2 types of cervical collars on the functional ROM that is required to perform multiple ADLs. METHODS. In this investigation, a previously validated electrogoniometer device was used to quantify both the full, active ROM of 10 subjects as well as the functional ROM they exhibited during a series of 15 ADLs. For each individual, these ROM measurements were repeated after the application of both a soft collar and a rigid orthosis. RESULTS. The soft collar limited flexion/extension, lateral bending, and rotation by 27.1% ± 9.9% (mean ± standard deviation), 26.1% ± 4.8%, and 29.3% ± 10.3%, respectively. The corresponding reductions in ROM with a rigid collar were 53.7% ± 7.2%, 34.9% ± 6%, and 59.2% ± 5.3%, respectively. The rigid collar resulted in significantly lower full, active ROM in both the sagittal and axial planes but not in the lateral bending plane. Compared with the soft collar, the rigid collar afforded no difference in motion during 13 of the 15 simulated ADLs. Greater motion was only noted with backing up a car and sitting from a standing position. CONCLUSION. Although subjects exhibited less full, active ROM of the cervical spine when immobilized in a rigid collar than when they were placed in a soft collar, the motion recorded during various functional tasks was not significantly different for nearly all of the ADLs in this study, regardless of which cervical device was applied. One potential explanation for this finding is that both collars may serve as proprioceptive guides, which allow patients to regulate their own cervical motion based on their level of comfort. Given the paucity of data supporting the use of postoperative bracing, especially after procedures which incorporate internal fixation, this study indicates that a rigid orthosis may be unnecessary in many cases because even a soft collar seems to be sufficient for restricting motion during routine activities until the normal, physiologic ROM of the cervical spine has been restored.

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