Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
 
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Journal of Sports Science and Medicine
ISSN: 1303 - 2968
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©Journal of Sports Science and Medicine (2006) 05, 106 - 114
Research article
Compression Garments and Recovery from Eccentric Exercise: A P-MRS Study
Michael I. Trenell1,, Kieron B. Rooney2, Carolyn M. Sue1, Campbell H. Thomspon3

1 Department of Neurogenetics, Kolling Institute for Medical Research, Sydney, Australia
2 Exercise and Sports Science, The University of Sydney, Sydney, Australia
3 Department of General Medicine, Flinders University, Adelaide, Australia

Michael I. Trenell
✉ Department of Neurogenetics, Clinic 4 - Royal North Shore Hospital, Sydney, NSW – Australia 1590.
Email: mtrenell@med.usyd.edu.au

Received:
28-11-2005 -- Accepted: 31-01-2006 --
Published (online): 01-03-2006

ABSTRACT

The low oxidative demand and muscular adaptations accompanying eccentric exercise hold benefits for both healthy and clinical populations. Compression garments have been suggested to reduce muscle damage and maintain muscle function. This study investigated whether compression garments could benefit metabolic recovery from eccentric exercise. Following 30-min of downhill walking participants wore compression garments on one leg (COMP), the other leg was used as an internal, untreated control (CONT). The muscle metabolites phosphomonoester (PME), phosphodiester (PDE), phosphocreatine (PCr), inorganic phosphate (Pi) and adenosine triphosphate (ATP) were evaluated at baseline, 1-h and 48-h after eccentric exercise using 31P-magnetic resonance spectroscopy. Subjective reports of muscle soreness were recorded at all time points. The pressure of the garment against the thigh was assessed at 1-h and 48-h following exercise. There was a significant increase in perceived muscle soreness from baseline in both the control (CONT) and compression (COMP) leg at 1-h and 48-h following eccentric exercise (p < 0.05). Relative to baseline, both CONT and COMP showed reduced pH at 1-h (p < 0.05). There was no difference between CONT and COMP pH at 1-h. COMP legs exhibited significantly (p < 0.05) elevated skeletal muscle PDE 1-h following exercise. There was no significant change in PCr/Pi, Mg2+ or PME at any time point or between CONT and COMP legs. Eccentric exercise causes disruption of pH control in skeletal muscle but does not cause disruption to cellular control of free energy. Compression garments may alter potential indices of the repair processes accompanying structural damage to the skeletal muscle following eccentric exercise allowing a faster cellular repair.

Key words: Magnetic resonance spectroscopy, muscle damage, muscle metabolism, rehabilitation
Key Points
Eccentric exercise results in reduced cellular pH 1 hour after exercise.
Graduated compression garments may influence indices of muscle membrane repair and turnover at one-hour recovery from eccentric exercise.
Graduated compression garments do not change perceived muscle soreness.

 


  

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