Postural Control During Single-Leg Landing in Female Athletes After Anterior Cruciate Ligament Reconstruction
| Title: | Postural Control During Single-Leg Landing in Female Athletes After Anterior Cruciate Ligament Reconstruction |
|---|---|
| Authors: | Ayane Ogura, Terumitsu Miyazaki, Hirofumi Ida, Satoshi Shibata, Masahiro Takemura |
| Source: | International Journal of Sports Physical Therapy, Vol 19, Iss 6 (2024) |
| Publisher Information: | North American Sports Medicine Institute, 2024. |
| Publication Year: | 2024 |
| Collection: | LCC:Sports medicine |
| Subject Terms: | Sports medicine, RC1200-1245 |
| More Details: | # Background Secondary anterior cruciate ligament (ACL) injury is a complication of ACL reconstruction (ACLR), which may result from altered neuromuscular control affecting anticipatory postural adjustments (APAs) and compensatory postural adjustments (CPAs) required for maintaining balance during movement. However, it remains unclear how APAs and CPAs differ in single-leg landings post-ACLR compared to healthy subjects. # Purpose The purpose of this study was to clarify the differences in muscle activities of APAs and CPAs, lower limb kinematics, and kinetics between athletes with a history of ACLR and healthy athletes during single-leg landing. # Study design Cross-sectional study. # Methods Eighteen female athletes were recruited and divided into ACLR (n = 9) and control groups (n = 9). The experimental task involved a single-leg landing from a 30 cm box. Joint angles and moments were determined using a 3-dimensional motion analysis system, while muscle activity was assessed using surface electromyography. Analysis intervals were divided into two phases: the APA phase (-150 ms to 50 ms) and the CPA phase (50 ms to 250 ms), with initial contact (0 ms) as the reference point. Muscle activity onset time was defined as the time when the baseline exceeded by the sum of mean values and 2 standard deviations. # Results No significant differences were observed in muscle activity or onset time between the ACLR and control groups. However, an increased hip external rotation moment was observed during the CPA phase in the ACLR group. # Conclusion These findings suggest that APAs and CPAs of athletes who returned to sports more than 1 year post-ACLR may be similar. The increased hip external rotation moment in the ACLR group during the CPA phase could represent a specific compensatory strategy to decrease the hip internal rotation angle post-ACLR. # Level of Evidence III |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 2159-2896 |
| Relation: | https://doaj.org/toc/2159-2896 |
| DOI: | 10.26603/001c.117400 |
| Access URL: | https://doaj.org/article/b7ede868f0a5463e949ad92742eb8b36 |
| Accession Number: | edsdoj.b7ede868f0a5463e949ad92742eb8b36 |
| Database: | Directory of Open Access Journals |
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| Items | – Name: Title Label: Title Group: Ti Data: Postural Control During Single-Leg Landing in Female Athletes After Anterior Cruciate Ligament Reconstruction – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Ayane+Ogura%22">Ayane Ogura</searchLink><br /><searchLink fieldCode="AR" term="%22Terumitsu+Miyazaki%22">Terumitsu Miyazaki</searchLink><br /><searchLink fieldCode="AR" term="%22Hirofumi+Ida%22">Hirofumi Ida</searchLink><br /><searchLink fieldCode="AR" term="%22Satoshi+Shibata%22">Satoshi Shibata</searchLink><br /><searchLink fieldCode="AR" term="%22Masahiro+Takemura%22">Masahiro Takemura</searchLink> – Name: TitleSource Label: Source Group: Src Data: International Journal of Sports Physical Therapy, Vol 19, Iss 6 (2024) – Name: Publisher Label: Publisher Information Group: PubInfo Data: North American Sports Medicine Institute, 2024. – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Subset Label: Collection Group: HoldingsInfo Data: LCC:Sports medicine – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Sports+medicine%22">Sports medicine</searchLink><br /><searchLink fieldCode="DE" term="%22RC1200-1245%22">RC1200-1245</searchLink> – Name: Abstract Label: Description Group: Ab Data: # Background Secondary anterior cruciate ligament (ACL) injury is a complication of ACL reconstruction (ACLR), which may result from altered neuromuscular control affecting anticipatory postural adjustments (APAs) and compensatory postural adjustments (CPAs) required for maintaining balance during movement. However, it remains unclear how APAs and CPAs differ in single-leg landings post-ACLR compared to healthy subjects. # Purpose The purpose of this study was to clarify the differences in muscle activities of APAs and CPAs, lower limb kinematics, and kinetics between athletes with a history of ACLR and healthy athletes during single-leg landing. # Study design Cross-sectional study. # Methods Eighteen female athletes were recruited and divided into ACLR (n = 9) and control groups (n = 9). The experimental task involved a single-leg landing from a 30 cm box. Joint angles and moments were determined using a 3-dimensional motion analysis system, while muscle activity was assessed using surface electromyography. Analysis intervals were divided into two phases: the APA phase (-150 ms to 50 ms) and the CPA phase (50 ms to 250 ms), with initial contact (0 ms) as the reference point. Muscle activity onset time was defined as the time when the baseline exceeded by the sum of mean values and 2 standard deviations. # Results No significant differences were observed in muscle activity or onset time between the ACLR and control groups. However, an increased hip external rotation moment was observed during the CPA phase in the ACLR group. # Conclusion These findings suggest that APAs and CPAs of athletes who returned to sports more than 1 year post-ACLR may be similar. The increased hip external rotation moment in the ACLR group during the CPA phase could represent a specific compensatory strategy to decrease the hip internal rotation angle post-ACLR. # Level of Evidence III – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: electronic resource – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 2159-2896 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: https://doaj.org/toc/2159-2896 – Name: DOI Label: DOI Group: ID Data: 10.26603/001c.117400 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://doaj.org/article/b7ede868f0a5463e949ad92742eb8b36" linkWindow="_blank">https://doaj.org/article/b7ede868f0a5463e949ad92742eb8b36</link> – Name: AN Label: Accession Number Group: ID Data: edsdoj.b7ede868f0a5463e949ad92742eb8b36 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.26603/001c.117400 Languages: – Text: English Subjects: – SubjectFull: Sports medicine Type: general – SubjectFull: RC1200-1245 Type: general Titles: – TitleFull: Postural Control During Single-Leg Landing in Female Athletes After Anterior Cruciate Ligament Reconstruction Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Ayane Ogura – PersonEntity: Name: NameFull: Terumitsu Miyazaki – PersonEntity: Name: NameFull: Hirofumi Ida – PersonEntity: Name: NameFull: Satoshi Shibata – PersonEntity: Name: NameFull: Masahiro Takemura IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 21592896 Numbering: – Type: volume Value: 19 – Type: issue Value: 6 Titles: – TitleFull: International Journal of Sports Physical Therapy Type: main |
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