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The effect of 30 min cycle ergometry on ankylosing spondylitis
R J Carbon1, M G Macey, D A McCarthy
1Department of Sports Medicine, London Hospital Medical College, London, UK.
British Journal of Rheumatology
|February 1, 1996
Summary
Short-term exercise, like cycle ergometry, can temporarily improve spinal flexibility and reduce pain in patients. These benefits are systemically mediated but fade within 3-5 hours post-exercise.
Area of Science:
- Exercise physiology
- Immunology
- Rheumatology
Background:
- Patients with certain conditions may experience pain and reduced mobility.
- Exercise is often recommended, but its systemic effects in specific patient groups require investigation.
Purpose of the Study:
- To investigate the short-term effects of cycle ergometry on spinal flexibility, pain, and circulating immune cells in patients without hip involvement.
- To explore potential systemic mechanisms underlying exercise-induced changes.
Main Methods:
- 11 male patients underwent 30 minutes of cycle ergometry at ~100 W.
- Measurements included spinal flexibility (Schober's index), pain scores, and circulating leucocytes, platelets, and lymphocyte subsets.
- Statistical analysis used Kendall's tau test.
Main Results:
- Immediate improvements in spinal flexibility, cervical tilt, and pain reduction were observed.
- These benefits diminished within 3-5 hours.
- Exercise altered circulating leucocyte, platelet, and lymphocyte subset counts, similar to healthy individuals.
- Positive associations were found between spinal flexibility and platelet count, and negative associations with CD4-positive cells.
- Negative associations were observed between pain score and leucocyte/neutrophil counts on a control day.
Conclusions:
- Exercising unaffected body regions can induce short-term, systemically mediated beneficial effects.
- The observed immunological changes suggest a potential link between exercise, inflammation, and symptom relief.
