Aquatic Therapy for Chronic Pain | ChronicSoreness.com

Key Takeaways

Water provides buoyancy that reduces stress on painful joints
Strong evidence supports aquatic therapy for fibromyalgia and osteoarthritis
Warm water can help relax muscles and reduce pain
Excellent option when land-based exercise is too painful

What Is Aquatic Therapy?

Aquatic therapy (also called hydrotherapy or pool therapy) involves exercises performed in water, typically in a heated pool. The unique properties of water make it an ideal environment for people with chronic pain to exercise with less discomfort.¹

Properties of Water That Help

Buoyancy: Reduces body weight on joints by up to 90% when immersed to the neck
Hydrostatic pressure: Provides gentle compression that reduces swelling
Resistance: Water provides resistance in all directions for strengthening
Warmth: Heated pools (typically 92-96°F / 33-36°C) relax muscles and increase circulation
Sensory input: Water pressure provides proprioceptive feedback

90%

reduction in body weight when immersed to neck level

Conditions That Benefit

Research supports aquatic therapy for many chronic pain conditions:^2,3

Strong Evidence

Fibromyalgia: Multiple studies show improvements in pain, function, and quality of life⁴
Osteoarthritis: Effective for hip and knee arthritis
Low back pain: May be especially helpful for acute flares
Rheumatoid arthritis: Gentle exercise during flares

Also Beneficial For

Ankylosing spondylitis
Post-surgical rehabilitation
Chronic fatigue syndrome
Multiple sclerosis
Pregnancy-related pain
Obesity-related joint pain
Post-stroke rehabilitation

Ideal Candidates

Aquatic therapy may be particularly helpful if you:

Find land-based exercise too painful
Have weight-bearing limitations
Have multiple painful joints
Need a gentler starting point for exercise
Have balance concerns

Types of Aquatic Therapy

Individual Physical Therapy

One-on-one sessions with a physical therapist
Customized exercises for your condition
Hands-on assistance and manual therapy in water
May be covered by insurance with prescription

Group Classes

Water aerobics or aqua fitness
Arthritis-specific water classes (Arthritis Foundation programs)
Low-impact and accessible
Social support from group setting

Independent Pool Exercise

Self-directed exercise using learned techniques
Walking, swimming, or exercises in water
Maintenance after structured program

Specialized Approaches

Ai Chi: Water-based Tai Chi movements
Bad Ragaz Ring Method: Therapist-guided floating exercises
Watsu: Passive aquatic bodywork
Halliwick Method: Focus on balance and motor control

Benefits of Aquatic Exercise

Pain-Related Benefits

Reduced joint loading and impact
Muscle relaxation from warm water
Improved pain tolerance
Ability to exercise longer with less pain

Physical Benefits

Improved strength through water resistance
Better flexibility and range of motion
Enhanced balance and coordination
Cardiovascular fitness
Reduced swelling

Psychological Benefits

Relaxation and stress relief
Improved mood
Better sleep
Increased confidence in movement
Social connection in group settings

Common Exercises

Walking and Movement

Water walking: Forward, backward, sideways
Marching: High knee lifts in place
Leg swings: Forward/back and side to side
Gentle jogging: In shallow or deep water

Strengthening

Arm circles and sweeps: Using water resistance
Leg kicks: Various directions
Squats: With buoyancy support
Resistance equipment: Noodles, paddles, water weights

Stretching and Range of Motion

Arm stretches: Using pool edge or wall
Leg stretches: Supported by buoyancy
Trunk rotations: Gentle twisting movements
Floating stretches: Using noodles for support

Balance Exercises

Single leg stance: Easier with water support
Weight shifts: Side to side, front to back
Reaching activities: Challenging balance

Getting Started

Finding Programs

Ask your doctor or physical therapist for referrals
Local hospitals and rehabilitation centers
YMCA, community centers, and fitness facilities
Arthritis Foundation (arthritis.org) water exercise programs

What to Bring

Swimsuit (comfortable, secure fit)
Water shoes (for grip and foot protection)
Towel and change of clothes
Goggles if needed
Water bottle (you still sweat in water)

Starting Tips

Start slowly—water exercise can be more tiring than expected
Begin with shorter sessions (15-20 minutes)
Listen to your body and rest when needed
Gradually increase duration and intensity
Stay hydrated despite being in water

Water Temperature

For chronic pain, warmer water (92-96°F / 33-36°C) is typically best. Some facilities have therapy pools kept warmer than standard lap pools. Check water temperature before starting if you have temperature sensitivities.

Safety Considerations

When to Use Caution

Open wounds or skin infections
Uncontrolled seizures
Severe cardiac conditions
Uncontrolled blood pressure
Fear of water
Incontinence issues
Certain infections

Pool Safety

Never swim alone
Know the pool depth and layout
Use handrails when entering and exiting
Stay near the edge if not a confident swimmer
Use flotation devices if needed

After Swimming

Shower after to remove chlorine
Moisturize skin to prevent dryness
Allow time to rest if needed
Note any symptom changes

Research Evidence

Evidence supporting aquatic therapy:^2,4,5

Fibromyalgia

Cochrane review found moderate-quality evidence for pain reduction
Improvements in physical function and stiffness
Benefits may persist after treatment ends

Osteoarthritis

Reduces pain and improves function
Effects comparable to land-based exercise
May be better tolerated for severe arthritis

Low Back Pain

Evidence shows short-term benefits
May help during acute flares when land exercise is difficult

Compared to Land Exercise

Generally similar outcomes for many conditions
Advantage is better tolerance for those who struggle with land exercise
May allow more exercise with less pain

Practical Considerations

Cost

Individual PT: Often covered by insurance with prescription
Group classes: Typically $5-20 per class
Pool memberships: Variable by facility
Some Medicare Advantage plans cover gym memberships

Access

Not all areas have accessible therapy pools
Public pools may be too cold for therapy
Some facilities have limited hours for therapy pools
Travel distance may be a barrier

Alternatives

If pool access is limited:

Warm baths with gentle stretching at home
Hot tub exercises (if available)
Look for warm-water community programs
Consider seasonal outdoor options in summer

Explore Other Exercise Options

Learn about other gentle exercise approaches for chronic pain.

Yoga for Pain Guide

References

Becker BE. Aquatic therapy: scientific foundations and clinical rehabilitation applications. PM R. 2009;1(9):859-872.
Barker AL, Talevski J, Morello RT, et al. Effectiveness of aquatic exercise for musculoskeletal conditions: a meta-analysis. Arch Phys Med Rehabil. 2014;95(9):1776-1786.
Batterham SI, Heywood S, Keating JL. Systematic review and meta-analysis comparing land and aquatic exercise for people with hip or knee arthritis on function, mobility and other health outcomes. BMC Musculoskelet Disord. 2011;12:123.
Bidonde J, Busch AJ, Schachter CL, et al. Aquatic exercise training for fibromyalgia. Cochrane Database Syst Rev. 2014;(10):CD011336.
Waller B, Ogonowska-Slodownik A, Vitor M, et al. Effect of therapeutic aquatic exercise on symptoms and function associated with lower limb osteoarthritis: systematic review with meta-analysis. Phys Ther. 2014;94(10):1383-1395.

Aquatic Therapy