Guided imagery to improve functional outcomes post-anterior cruciate ligament repair: randomized-controlled pilot trial

Maddison, R., Prapavessis, H., Clatworthy, M., Hall, C., Foley, L., Harper, T., Cupal, D. and Brewer, B. 2012, Guided imagery to improve functional outcomes post-anterior cruciate ligament repair: randomized-controlled pilot trial, Scandinavian journal of medicine science and sports, vol. 22, no. 6, pp. 816-821, doi: 10.1111/j.1600-0838.2011.01325.x.

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Title Guided imagery to improve functional outcomes post-anterior cruciate ligament repair: randomized-controlled pilot trial
Author(s) Maddison, R.ORCID iD for Maddison, R. orcid.org/0000-0001-8564-5518
Prapavessis, H.
Clatworthy, M.
Hall, C.
Foley, L.
Harper, T.
Cupal, D.
Brewer, B.
Journal name Scandinavian journal of medicine science and sports
Volume number 22
Issue number 6
Start page 816
End page 821
Total pages 6
Publisher Wiley
Place of publication London, Eng.
Publication date 2012-12
ISSN 1600-0838
Keyword(s) Adult
Analysis of Variance
Anterior Cruciate Ligament Reconstruction
Dopamine
Epinephrine
Female
Humans
Imagery (Psychotherapy)
Joint Instability
Knee Joint
Male
Middle Aged
Muscle Strength
Norepinephrine
Pilot Projects
Recovery of Function
Self Efficacy
Single-Blind Method
Summary Imagery can improve functional outcomes post-anterior cruciate ligament repair (ACLR). Research is needed to investigate potential mechanisms for this effect. The aim of this study was to (a) evaluate the effectiveness of an imagery intervention to improve functional outcomes post-ACLR, and (b) explore potential mechanisms. A randomized-controlled pilot trial was conducted. Participants were randomized to guided imagery and standard rehabilitation or standard rehabilitation alone (control). The primary outcome was knee strength 6-month post-operatively. Secondary outcomes were knee laxity at 6-months, and change in psychological (self-efficacy) and neurohormonal (adrenaline, noradrenaline, dopamine) variables. Participants (n=21; 62% male) were 34.86 (SD 8.84) years. Following the intervention, no statistical differences between groups for knee strength extension at 180°/s (t=-0.43, P=0.67), or at 60°/s (t=-0.72, P=0.48) were found. A statistically significant effect was found for knee laxity, F=4.67, P<0.05, mean difference of -3.02 (95% CI -4.44 to -1.60), favoring the intervention. No differences were found for self-efficacy; however, an overall effect was found for noradrenaline, F(1, 19) 19.65, P<0.001, η(2) =0.52, and dopamine, F(1, 19) 6.23, P=0.02, η(2) =0.29, favoring the intervention. This imagery intervention improved knee laxity and healing-related neurobiological factors.
Language eng
DOI 10.1111/j.1600-0838.2011.01325.x
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
1106 Human Movement And Sports Science
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, John Wiley & Sons
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081675

Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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