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  Gym ball exercise leads to recruitment and increased water content of the paraspinal muscles: An MRI pilot study
 
 
Titel: Gym ball exercise leads to recruitment and increased water content of the paraspinal muscles: An MRI pilot study
Auteur: Kader, Deiary
Radha, Sarkhell
Banaszkiewicz, Paul A.
Stocker, Margaret
Dunbar-Smith, Lori
Smith, Francis W.
Verschenen in: Journal of back and musculoskeletal rehabilitation
Paginering: Jaargang 21 (2008) nr. 2 pagina's 77-85
Jaar: 2008-07-15
Inhoud: Study design: Cross-sectional pilot study on 24 healthy volunteers. Objectives: Investigate the value of stabilization exercises using a gym ball in paraspinal muscle activation by measuring changes in muscle signal intensity on MRI before and after exercise. Background: The gym ball is commonly used for rehabilitating spinal dysfunction. It is thought to rehabilitate some key muscle groups in the trunk. Methods: Twenty-four healthy volunteers (aged 21–50, 13 female and 11 male) had special sequence MR images of the lumbar spine showing an axial section of the paraspinal muscles at L4/5 level. Afterwards all were subjected to 10 minutes of exercise on the gym ball followed by repeat MRI scans immediately, 5 and 10 minutes post exercise. Changes in the mean signal intensity at the same region of interest in multifidus, erector spinae and psoas muscles were evaluated using MRI software. Results: The mean signal intensity in the MR images of the same region in the multifidus (P < 0.03) and erector spinae (P < 0.005) muscles significantly increased after gym ball exercise. There was no statistically significant change in the signal intensity of the psoas muscle (P < 0.086). Conclusions: The multifidus and erector spinae muscles of a healthy individual can be activated by performing certain exercises on the gym ball.
Uitgever: IOS Press
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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