Reliability of hip muscle strength measured in principal and intermediate planes of movement
©2021 Goncalves et al..
BACKGROUND: Muscle strength testing is widely used in clinical and athletic populations. Commercially available dynamometers are designed to assess strength in three principal planes (sagittal, transverse, frontal). However, the anatomy of the hip suggests muscles may only be recruited submaximally during tasks performed in these principal planes.
OBJECTIVE: To evaluate the inter-session reliability of maximal isometric hip strength in the principal planes and three intermediate planes.
METHODS: Twenty participants (26.1 ± 2.7 years, 50% female) attended two testing sessions 6.2 ± 1.8 days apart. Participants completed 3-5 maximal voluntary isometric contractions for hip abduction, adduction, flexion, extension, and internal and external rotation measured using a fixed uniaxial load cell (custom rig) and commercial dynamometer (Biodex). Three intermediate hip actions were also tested using the custom rig: extension with abduction, extension with external rotation, and extension with both abduction and external rotation.
RESULTS: Moderate-to-excellent intraclass correlation coefficients were observed for all principal and intermediate muscle actions using the custom rig (0.72-0.95) and the Biodex (0.85-0.95). The minimum detectable change was also similar between devices (custom rig = 11-31%; Biodex = 9-20%). Bland-Altman analysis revealed poor agreement between devices (range between upper and lower limits of agreement = 77-131%).
CONCLUSIONS: Although the custom rig and Biodex showed similar reliability, both devices may lack the sensitivity to detect small changes in hip strength commonly observed following intervention.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:9 |
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| Enthalten in: |
PeerJ - 9(2021) vom: 20., Seite e11521 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Goncalves, Basilio A M [VerfasserIn] |
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| Links: |
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| Themen: |
Dynamometer |
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| Anmerkungen: |
Date Revised 02.04.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.7717/peerj.11521 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Goncalves, Basilio A M |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Reliability of hip muscle strength measured in principal and intermediate planes of movement |
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| 500 | |a Date Revised 02.04.2024 | ||
| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a ©2021 Goncalves et al. | ||
| 520 | |a BACKGROUND: Muscle strength testing is widely used in clinical and athletic populations. Commercially available dynamometers are designed to assess strength in three principal planes (sagittal, transverse, frontal). However, the anatomy of the hip suggests muscles may only be recruited submaximally during tasks performed in these principal planes | ||
| 520 | |a OBJECTIVE: To evaluate the inter-session reliability of maximal isometric hip strength in the principal planes and three intermediate planes | ||
| 520 | |a METHODS: Twenty participants (26.1 ± 2.7 years, 50% female) attended two testing sessions 6.2 ± 1.8 days apart. Participants completed 3-5 maximal voluntary isometric contractions for hip abduction, adduction, flexion, extension, and internal and external rotation measured using a fixed uniaxial load cell (custom rig) and commercial dynamometer (Biodex). Three intermediate hip actions were also tested using the custom rig: extension with abduction, extension with external rotation, and extension with both abduction and external rotation | ||
| 520 | |a RESULTS: Moderate-to-excellent intraclass correlation coefficients were observed for all principal and intermediate muscle actions using the custom rig (0.72-0.95) and the Biodex (0.85-0.95). The minimum detectable change was also similar between devices (custom rig = 11-31%; Biodex = 9-20%). Bland-Altman analysis revealed poor agreement between devices (range between upper and lower limits of agreement = 77-131%) | ||
| 520 | |a CONCLUSIONS: Although the custom rig and Biodex showed similar reliability, both devices may lack the sensitivity to detect small changes in hip strength commonly observed following intervention | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Dynamometer | |
| 650 | 4 | |a Force | |
| 650 | 4 | |a Groin | |
| 650 | 4 | |a Hip joint | |
| 650 | 4 | |a Muscle function | |
| 700 | 1 | |a Saxby, David J |e verfasserin |4 aut | |
| 700 | 1 | |a Kositsky, Adam |e verfasserin |4 aut | |
| 700 | 1 | |a Barrett, Rod S |e verfasserin |4 aut | |
| 700 | 1 | |a Diamond, Laura E |e verfasserin |4 aut | |
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