Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots
Background: Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading. Methods: Twenty healthy adult...
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| Veröffentlicht in: | Foot & ankle international 2019-12, Vol.40 (12), p.1416-1423 |
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| creator | Nahm, Nickolas Bey, Michael J. Liu, Serena Guthrie, S. Trent |
| description | Background:
Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading.
Methods:
Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading.
Results:
In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087).
Conclusion:
The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it.
Clinical Relevance:
The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB. |
| doi_str_mv | 10.1177/1071100719868721 |
| format | Article |
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Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading.
Methods:
Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading.
Results:
In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087).
Conclusion:
The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it.
Clinical Relevance:
The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB.</description><identifier>ISSN: 1071-1007</identifier><identifier>EISSN: 1944-7876</identifier><identifier>DOI: 10.1177/1071100719868721</identifier><identifier>PMID: 31423825</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Adolescent ; Adult ; Ankle - physiology ; Biomechanical Phenomena ; Braces ; Casts, Surgical ; Female ; Foot - physiology ; Healthy Volunteers ; Humans ; Male ; Middle Aged ; Prospective Studies ; Radiography ; Range of Motion, Articular ; Weight-Bearing ; Young Adult</subject><ispartof>Foot & ankle international, 2019-12, Vol.40 (12), p.1416-1423</ispartof><rights>The Author(s) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-14e4c5496653b0e4e9123cbdf8e966a80f8f4ae00b522cbe6f4fb9789ff4f2dc3</citedby><cites>FETCH-LOGICAL-c337t-14e4c5496653b0e4e9123cbdf8e966a80f8f4ae00b522cbe6f4fb9789ff4f2dc3</cites><orcidid>0000-0002-9959-4210</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/1071100719868721$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/1071100719868721$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21798,27901,27902,43597,43598</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31423825$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nahm, Nickolas</creatorcontrib><creatorcontrib>Bey, Michael J.</creatorcontrib><creatorcontrib>Liu, Serena</creatorcontrib><creatorcontrib>Guthrie, S. Trent</creatorcontrib><title>Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots</title><title>Foot & ankle international</title><addtitle>Foot Ankle Int</addtitle><description>Background:
Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading.
Methods:
Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading.
Results:
In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087).
Conclusion:
The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it.
Clinical Relevance:
The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Ankle - physiology</subject><subject>Biomechanical Phenomena</subject><subject>Braces</subject><subject>Casts, Surgical</subject><subject>Female</subject><subject>Foot - physiology</subject><subject>Healthy Volunteers</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Prospective Studies</subject><subject>Radiography</subject><subject>Range of Motion, Articular</subject><subject>Weight-Bearing</subject><subject>Young Adult</subject><issn>1071-1007</issn><issn>1944-7876</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kL1PwzAQxS0EoqWwMyGPLAF_JbbHUlGK1KoDMEeOY6cpaVzsRIj_HvcDBiSWe6e73z3pHgDXGN1hzPk9RhxjFIsUmeAEn4AhlowlXPDsNPZxk-z2A3ARwhohzCmW52BAMSNUkHQIFuP2vTFw4bratVC1JVxa2zhV1m0F6xa-rJzv4NxUcKJCtwfm7nOvs7pawalXuuu9gQ_OdeESnFnVBHN11BF4mz6-TmbJfPn0PBnPE00p7xLMDNMpk1mW0gIZZiQmVBelFSbOlEBWWKYMQkVKiC5MZpktJBfSxoaUmo7A7cF3691Hb0KXb-qgTdOo1rg-5ITwVKYIERRRdEC1dyF4Y_OtrzfKf-UY5bsQ878hxpObo3tfbEz5e_CTWgSSAxBUZfK1630bv_3f8Btai3eU</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>Nahm, Nickolas</creator><creator>Bey, Michael J.</creator><creator>Liu, Serena</creator><creator>Guthrie, S. Trent</creator><general>SAGE Publications</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9959-4210</orcidid></search><sort><creationdate>201912</creationdate><title>Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots</title><author>Nahm, Nickolas ; Bey, Michael J. ; Liu, Serena ; Guthrie, S. Trent</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-14e4c5496653b0e4e9123cbdf8e966a80f8f4ae00b522cbe6f4fb9789ff4f2dc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Ankle - physiology</topic><topic>Biomechanical Phenomena</topic><topic>Braces</topic><topic>Casts, Surgical</topic><topic>Female</topic><topic>Foot - physiology</topic><topic>Healthy Volunteers</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Prospective Studies</topic><topic>Radiography</topic><topic>Range of Motion, Articular</topic><topic>Weight-Bearing</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nahm, Nickolas</creatorcontrib><creatorcontrib>Bey, Michael J.</creatorcontrib><creatorcontrib>Liu, Serena</creatorcontrib><creatorcontrib>Guthrie, S. Trent</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Foot & ankle international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nahm, Nickolas</au><au>Bey, Michael J.</au><au>Liu, Serena</au><au>Guthrie, S. Trent</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots</atitle><jtitle>Foot & ankle international</jtitle><addtitle>Foot Ankle Int</addtitle><date>2019-12</date><risdate>2019</risdate><volume>40</volume><issue>12</issue><spage>1416</spage><epage>1423</epage><pages>1416-1423</pages><issn>1071-1007</issn><eissn>1944-7876</eissn><abstract>Background:
Short leg casts (SLCs) and fracture boots are used to treat foot and ankle injuries, but the decision to use one device over the other is often subjective. This study compared the impact of SLCs and low and high fracture boots on ankle motion and offloading.
Methods:
Twenty healthy adults were prospectively studied. High-speed dynamic radiography was utilized to determine tibiotalar range of motion in the sagittal plane during nonweightbearing (NWB) and weightbearing (WB) gait in a shoe (control), SLC, and low and high fracture boots. Sensors captured peak plantar surface forces to determine ankle offloading.
Results:
In NWB, the low fracture boot (2.2 ± 2.0 degrees), high fracture boot (2.3 ± 1.6 degrees), and SLC (2.3 ± 1.5 degrees) had significantly less motion compared with the control (3.6 ± 2.1 degrees; P ≤ .026). During WB, the SLC (3.4 ± 1.4 degrees) and high fracture boot (4.8 ± 2.0 degrees) had less motion compared with the low fracture boot (7.8 ± 3.4 degrees; P < .001). Finally, the SLC (172.6% ± 48.3% body weight [BW]) and low fracture (165.1% ± 36.2% BW) and high fracture (154.5% ± 32.9% BW) boots were associated with less peak plantar surface force compared with the control (195.0% ± 43.8% BW; P ≤ .087).
Conclusion:
The SLC and high fracture boot immobilized the ankle in NWB and offloaded and immobilized the ankle in WB. The low fracture boot also immobilized the ankle in NWB, but in WB, the low fracture boot only offloaded the ankle and did not immobilize it.
Clinical Relevance:
The low fracture boot may be more suited for NWB or possibly immobilizing the foot in WB.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>31423825</pmid><doi>10.1177/1071100719868721</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-9959-4210</orcidid></addata></record> |
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| identifier | ISSN: 1071-1007 |
| ispartof | Foot & ankle international, 2019-12, Vol.40 (12), p.1416-1423 |
| issn | 1071-1007 1944-7876 |
| language | eng |
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| source | SAGE Complete A-Z List; MEDLINE |
| subjects | Adolescent Adult Ankle - physiology Biomechanical Phenomena Braces Casts, Surgical Female Foot - physiology Healthy Volunteers Humans Male Middle Aged Prospective Studies Radiography Range of Motion, Articular Weight-Bearing Young Adult |
| title | Ankle Motion and Offloading in Short Leg Cast and Low and High Fracture Boots |
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