Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury
Background: Although Achilles tendon overuse injuries occur commonly, our understanding of the pathologic changes and the factors that predispose athletes to them is limited. Purpose: To identify measurable intrinsic risk factors for Achilles tendon overuse injuries. Study Design: Cohort study (prog...
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| Veröffentlicht in: | The American journal of sports medicine 2006-02, Vol.34 (2), p.226 |
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| creator | Nele N. Mahieu Erik Witvrouw Veerle Stevens Damien Van Tiggelen Philippe Roget |
| description | Background: Although Achilles tendon overuse injuries occur commonly, our understanding of the pathologic changes and the factors that
predispose athletes to them is limited.
Purpose: To identify measurable intrinsic risk factors for Achilles tendon overuse injuries.
Study Design: Cohort study (prognosis); Level of evidence, 2.
Methods: Sixty-nine male officer cadets followed the same 6-week basic military training. Before this training, each subject was evaluated
for anthropometrical characteristics, isokinetic ankle muscle strength, ankle joint range of motion, Achilles tendon stiffness,
explosive strength, and leisure and sports activity. During military training, Achilles tendon overuse injuries were registered
and diagnosed by the same medical doctor. To identify the intrinsic risk factors, a multivariate analysis with the use of
stepwise logistic regression was performed. The sensitivity, specificity, and cutoff values of the risk factors were evaluated
by receiver operating characteristic curve analysis.
Results: Ten of the 69 male recruits (14.5%) sustained an Achilles tendon overuse injury diagnosed on the basis of medical history
and clinical examination. Analysis revealed that male recruits with lower plantar flexor strength and increased dorsiflexion
excursion were at a greater risk of Achilles tendon overuse injury. The cutoff value of the plantar flexor strength at 85%
sensitivity was 50.0 N·m, with a 4.5% specificity; the cutoff value of the dorsiflexion range of motion at 85% sensitivity
was 9.0°, with 24.2% specificity.
Conclusions: The strength of the plantar flexors and amount of dorsiflexion excursion were identified as significant predictors of an
Achilles tendon overuse injury. A plantar flexor strength lower than 50.0 N·m and dorsiflexion range of motion higher than
9.0° were possible thresholds for developing an Achilles tendon overuse injury.
Keywords:
muscle strength
ankle range of motion
prospective
Achilles tendon overuse injury
military recruits |
| doi_str_mv | 10.1177/0363546505279918 |
| format | Article |
| fullrecord | <record><control><sourceid>highwire</sourceid><recordid>TN_cdi_highwire_smallpub3_ajs34_2_226</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>ajs34_2_226</sourcerecordid><originalsourceid>FETCH-LOGICAL-c1434-dab67c2fc64e36a473ac64740dbe17d9b3a4c175f30b96f605e75c8f5d1d682e3</originalsourceid><addsrcrecordid>eNotjEFLwzAYQIMobk7vHnPxWE3yJV_a45hOC4OBzHNJ0y-2s2tH003893Po6T148Bi7l-JRSmufBCAYjUYYZbNMphdsKo1RCQCaSzY95-TcJ-wmxq0QQlpMr9lEokKhMZuyVd6NQ9PFxvP3Jn7xpfNjP0Qe-oGPNfFnOlLb73fUjbwPfO7rpm0p8g11Vd_x9ZGGQySed9vD8HPLroJrI939c8Y-li-bxVuyWr_mi_kq8VKDTipXovUqeNQE6LQF96tWi6okaausBKe9tCaAKDMMKAxZ49NgKllhqghm7OHvWzef9XczUBF3rm33hxIKt42gC1UohXACohpSRw</addsrcrecordid><sourcetype>Publisher</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury</title><source>SAGE Complete A-Z List</source><source>Alma/SFX Local Collection</source><creator>Nele N. Mahieu ; Erik Witvrouw ; Veerle Stevens ; Damien Van Tiggelen ; Philippe Roget</creator><creatorcontrib>Nele N. Mahieu ; Erik Witvrouw ; Veerle Stevens ; Damien Van Tiggelen ; Philippe Roget</creatorcontrib><description>Background: Although Achilles tendon overuse injuries occur commonly, our understanding of the pathologic changes and the factors that
predispose athletes to them is limited.
Purpose: To identify measurable intrinsic risk factors for Achilles tendon overuse injuries.
Study Design: Cohort study (prognosis); Level of evidence, 2.
Methods: Sixty-nine male officer cadets followed the same 6-week basic military training. Before this training, each subject was evaluated
for anthropometrical characteristics, isokinetic ankle muscle strength, ankle joint range of motion, Achilles tendon stiffness,
explosive strength, and leisure and sports activity. During military training, Achilles tendon overuse injuries were registered
and diagnosed by the same medical doctor. To identify the intrinsic risk factors, a multivariate analysis with the use of
stepwise logistic regression was performed. The sensitivity, specificity, and cutoff values of the risk factors were evaluated
by receiver operating characteristic curve analysis.
Results: Ten of the 69 male recruits (14.5%) sustained an Achilles tendon overuse injury diagnosed on the basis of medical history
and clinical examination. Analysis revealed that male recruits with lower plantar flexor strength and increased dorsiflexion
excursion were at a greater risk of Achilles tendon overuse injury. The cutoff value of the plantar flexor strength at 85%
sensitivity was 50.0 N·m, with a 4.5% specificity; the cutoff value of the dorsiflexion range of motion at 85% sensitivity
was 9.0°, with 24.2% specificity.
Conclusions: The strength of the plantar flexors and amount of dorsiflexion excursion were identified as significant predictors of an
Achilles tendon overuse injury. A plantar flexor strength lower than 50.0 N·m and dorsiflexion range of motion higher than
9.0° were possible thresholds for developing an Achilles tendon overuse injury.
Keywords:
muscle strength
ankle range of motion
prospective
Achilles tendon overuse injury
military recruits</description><identifier>ISSN: 0363-5465</identifier><identifier>EISSN: 1552-3365</identifier><identifier>DOI: 10.1177/0363546505279918</identifier><identifier>PMID: 16260469</identifier><language>eng ; jpn</language><publisher>American Orthopaedic Society for Sports Medicine</publisher><ispartof>The American journal of sports medicine, 2006-02, Vol.34 (2), p.226</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1434-dab67c2fc64e36a473ac64740dbe17d9b3a4c175f30b96f605e75c8f5d1d682e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Nele N. Mahieu</creatorcontrib><creatorcontrib>Erik Witvrouw</creatorcontrib><creatorcontrib>Veerle Stevens</creatorcontrib><creatorcontrib>Damien Van Tiggelen</creatorcontrib><creatorcontrib>Philippe Roget</creatorcontrib><title>Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury</title><title>The American journal of sports medicine</title><description>Background: Although Achilles tendon overuse injuries occur commonly, our understanding of the pathologic changes and the factors that
predispose athletes to them is limited.
Purpose: To identify measurable intrinsic risk factors for Achilles tendon overuse injuries.
Study Design: Cohort study (prognosis); Level of evidence, 2.
Methods: Sixty-nine male officer cadets followed the same 6-week basic military training. Before this training, each subject was evaluated
for anthropometrical characteristics, isokinetic ankle muscle strength, ankle joint range of motion, Achilles tendon stiffness,
explosive strength, and leisure and sports activity. During military training, Achilles tendon overuse injuries were registered
and diagnosed by the same medical doctor. To identify the intrinsic risk factors, a multivariate analysis with the use of
stepwise logistic regression was performed. The sensitivity, specificity, and cutoff values of the risk factors were evaluated
by receiver operating characteristic curve analysis.
Results: Ten of the 69 male recruits (14.5%) sustained an Achilles tendon overuse injury diagnosed on the basis of medical history
and clinical examination. Analysis revealed that male recruits with lower plantar flexor strength and increased dorsiflexion
excursion were at a greater risk of Achilles tendon overuse injury. The cutoff value of the plantar flexor strength at 85%
sensitivity was 50.0 N·m, with a 4.5% specificity; the cutoff value of the dorsiflexion range of motion at 85% sensitivity
was 9.0°, with 24.2% specificity.
Conclusions: The strength of the plantar flexors and amount of dorsiflexion excursion were identified as significant predictors of an
Achilles tendon overuse injury. A plantar flexor strength lower than 50.0 N·m and dorsiflexion range of motion higher than
9.0° were possible thresholds for developing an Achilles tendon overuse injury.
Keywords:
muscle strength
ankle range of motion
prospective
Achilles tendon overuse injury
military recruits</description><issn>0363-5465</issn><issn>1552-3365</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNotjEFLwzAYQIMobk7vHnPxWE3yJV_a45hOC4OBzHNJ0y-2s2tH003893Po6T148Bi7l-JRSmufBCAYjUYYZbNMphdsKo1RCQCaSzY95-TcJ-wmxq0QQlpMr9lEokKhMZuyVd6NQ9PFxvP3Jn7xpfNjP0Qe-oGPNfFnOlLb73fUjbwPfO7rpm0p8g11Vd_x9ZGGQySed9vD8HPLroJrI939c8Y-li-bxVuyWr_mi_kq8VKDTipXovUqeNQE6LQF96tWi6okaausBKe9tCaAKDMMKAxZ49NgKllhqghm7OHvWzef9XczUBF3rm33hxIKt42gC1UohXACohpSRw</recordid><startdate>20060201</startdate><enddate>20060201</enddate><creator>Nele N. Mahieu</creator><creator>Erik Witvrouw</creator><creator>Veerle Stevens</creator><creator>Damien Van Tiggelen</creator><creator>Philippe Roget</creator><general>American Orthopaedic Society for Sports Medicine</general><scope/></search><sort><creationdate>20060201</creationdate><title>Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury</title><author>Nele N. Mahieu ; Erik Witvrouw ; Veerle Stevens ; Damien Van Tiggelen ; Philippe Roget</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1434-dab67c2fc64e36a473ac64740dbe17d9b3a4c175f30b96f605e75c8f5d1d682e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2006</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nele N. Mahieu</creatorcontrib><creatorcontrib>Erik Witvrouw</creatorcontrib><creatorcontrib>Veerle Stevens</creatorcontrib><creatorcontrib>Damien Van Tiggelen</creatorcontrib><creatorcontrib>Philippe Roget</creatorcontrib><jtitle>The American journal of sports medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nele N. Mahieu</au><au>Erik Witvrouw</au><au>Veerle Stevens</au><au>Damien Van Tiggelen</au><au>Philippe Roget</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury</atitle><jtitle>The American journal of sports medicine</jtitle><date>2006-02-01</date><risdate>2006</risdate><volume>34</volume><issue>2</issue><spage>226</spage><pages>226-</pages><issn>0363-5465</issn><eissn>1552-3365</eissn><abstract>Background: Although Achilles tendon overuse injuries occur commonly, our understanding of the pathologic changes and the factors that
predispose athletes to them is limited.
Purpose: To identify measurable intrinsic risk factors for Achilles tendon overuse injuries.
Study Design: Cohort study (prognosis); Level of evidence, 2.
Methods: Sixty-nine male officer cadets followed the same 6-week basic military training. Before this training, each subject was evaluated
for anthropometrical characteristics, isokinetic ankle muscle strength, ankle joint range of motion, Achilles tendon stiffness,
explosive strength, and leisure and sports activity. During military training, Achilles tendon overuse injuries were registered
and diagnosed by the same medical doctor. To identify the intrinsic risk factors, a multivariate analysis with the use of
stepwise logistic regression was performed. The sensitivity, specificity, and cutoff values of the risk factors were evaluated
by receiver operating characteristic curve analysis.
Results: Ten of the 69 male recruits (14.5%) sustained an Achilles tendon overuse injury diagnosed on the basis of medical history
and clinical examination. Analysis revealed that male recruits with lower plantar flexor strength and increased dorsiflexion
excursion were at a greater risk of Achilles tendon overuse injury. The cutoff value of the plantar flexor strength at 85%
sensitivity was 50.0 N·m, with a 4.5% specificity; the cutoff value of the dorsiflexion range of motion at 85% sensitivity
was 9.0°, with 24.2% specificity.
Conclusions: The strength of the plantar flexors and amount of dorsiflexion excursion were identified as significant predictors of an
Achilles tendon overuse injury. A plantar flexor strength lower than 50.0 N·m and dorsiflexion range of motion higher than
9.0° were possible thresholds for developing an Achilles tendon overuse injury.
Keywords:
muscle strength
ankle range of motion
prospective
Achilles tendon overuse injury
military recruits</abstract><pub>American Orthopaedic Society for Sports Medicine</pub><pmid>16260469</pmid><doi>10.1177/0363546505279918</doi></addata></record> |
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| ispartof | The American journal of sports medicine, 2006-02, Vol.34 (2), p.226 |
| issn | 0363-5465 1552-3365 |
| language | eng ; jpn |
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| source | SAGE Complete A-Z List; Alma/SFX Local Collection |
| title | Intrinsic Risk Factors for the Development of Achilles Tendon Overuse Injury |
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