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Effects of Land- and Water-Based Exercise in Axial Spondyloarthritis
Sponsor: Izmir University of Economics
Summary
Axial spondyloarthritis (axSpA) is a chronic inflammatory disease characterized by pain, morning stiffness, restricted spinal mobility, and systemic manifestations. Exercise is an important component of axSpA management and has beneficial effects on pain, disease activity, quality of life, posture, and pulmonary function. Exercise may also modulate inflammatory responses by altering the expression of genes involved in pro- and anti-inflammatory pathways. However, evidence regarding the effects of different exercise environments on inflammatory gene expression in individuals with axSpA remains limited. Both land-based and aquatic exercise programs are commonly used in the management of axSpA. Aquatic exercise may provide additional advantages through buoyancy and hydrostatic pressure, which reduce joint loading and facilitate exercise performance. Nevertheless, the comparative effects of land-based and aquatic combined exercise programs, particularly on inflammatory biomarkers and gene expression, have not been sufficiently investigated. The aim of this randomized controlled trial is to compare the effects of land-based and aquatic combined exercise programs on postural control, disease-related outcomes, inflammatory biomarkers and gene expression, disease activity, quality of life, and pulmonary function in individuals with axSpA. Participants will be randomly allocated to a land-based exercise group, an aquatic exercise group, or a control group. Both exercise groups will complete a 45-minute combined program including aerobic, strengthening, and flexibility exercises twice weekly for 8 weeks. The control group will not participate in a structured exercise program and will receive educational videos. Outcomes will be assessed at baseline, immediately after the 8-week intervention, and at the 3-month follow-up.
Official title: Comparison of the Effects of Land- and Water-Based Exercise on Symptoms and Inflammatory Gene Expression in Individuals With Axial Spondyloarthritis
Key Details
Gender
All
Age Range
18 Years - 70 Years
Study Type
INTERVENTIONAL
Enrollment
50
Start Date
2026-12-01
Completion Date
2028-10-01
Last Updated
2026-09-22
Healthy Volunteers
Yes
Interventions
Land-Based Combined Exercise Program
Participants will perform supervised group exercise sessions (3-4 participants per group) twice weekly for 8 weeks. The program will include warm-up, high-intensity interval aerobic exercise, breathing combined with mobility exercises, strengthening exercises, and cool-down. Aerobic training will consist of running in place, with a 5-minute warm-up at 70% intensity, followed by four 4-minute intervals at 90-95% intensity, with 3 minutes of active recovery at 70% intensity between intervals, and a 3-minute cool-down at 70% intensity. Exercise intensity will be monitored using a Polar heart rate monitor, and target heart rate will be calculated using the Karvonen method. Strengthening will include six individually adapted exercises targeting the major muscle groups using elastic bands and/or free weights. Participants will perform 2-3 sets of 8-10 repetitions, with progressive resistance as tolerated.
Aquatic Combined Exercise Program
Participants will perform supervised group exercise sessions (3-4 participants per group) twice weekly for 8 weeks in a 120-cm-deep thermoneutral pool. The program will include warm-up, high-intensity interval aerobic exercise, breathing combined with mobility exercises, water-resisted strengthening exercises, and cool-down. Aerobic training will consist of running in place, with a 5-minute warm-up at 70% intensity, followed by four 4-minute intervals at 90-95% intensity, with 3 minutes of active recovery at 70% intensity between intervals, and a 3-minute cool-down at 70% intensity. Exercise intensity will be monitored using a Polar heart rate monitor. Target heart rate will be calculated using the Karvonen method and adjusted for the heart rate response to water immersion. Strengthening exercises will target the major muscle groups using aquatic resistance equipment. Participants will perform 2-3 sets of 8-10 repetitions, with progression achieved by increasing movement speed.
Home Exercise Program
Participants will receive education about the effects of physical activity and exercise videos based on home exercise recommendations from the National Axial Spondyloarthritis Society (NASS). Materials will be provided online and in MP4 format. Participants will receive monthly text-message reminders encouraging adherence to the recommended exercises.
Locations (1)
Izmir University of Economics
Izmir, Turkey (Türkiye)