Hydrotherapy has specific therapeutic effects on body tissues

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Safe Exercise without Stresses / Muscle strengthening and maintenance

Hydrotherapy is an excellent form of exercise because most of the muscles used in daily movement are involved - without the stresses caused by motion on hard ground. On land, each footfall creates a shock wave which travels up the limb and is absorbed by bones, tendons and joints. While these stresses are necessary to maintain healthy strong bone, if these shock waves are severe or repetitive they can actually damage or weaken the limb, particularly an arthritic joint or one recovering from an injury or surgery. Hydrotherapy allows the "working out" and strengthening of the muscles while avoiding this potentially damaging concussion. Due to the increased resistance of movement created by the water, the muscles have to work harder than they would do on land.

Increased Circulation of Blood to the Muscles / Increased Tissue Healing

Warm water increases the circulation of blood to the muscles, increasing the supply of oxygen and nutrients and flushing away waste products, leading to muscle relaxation and a reduction in pain and stiffness. Improved circulation reduces swelling around an injured area and enhances healing.

Relief of Pain, Swelling & Stiffness   

The buoyancy effect of water reduces the load on weight bearing joints which helps to reduce pain and allows easier movement and exercise. Hydrostatic pressure applied to the body in water can assist in reducing swelling, and as the pressure increases with depth this encourages fluid swelling (oedema) in the limbs to move away from affected areas, immersed lower in the water back towards the body. This is assisted by exercising the limb to enhance circulation. Buoyancy and hydrostatic pressure also help to support the body during exercise; this can aid the re-education of gait patterns in neurological conditions and reloading of a limb post-surgery.

Increased Range of Movement  

A decreased range of motion can often be due to pain, swelling, or stiffness. Buoyancy can help to gently encourage stiff joints into an improved range of movement with minimal additional pain; increasing flexion and extension when in the water allows further range of movement generally when back on dry land.

Muscle Strengthening  

Hydrotherapy tones most of the major muscle groups and improves the general overall fitness of the dog. Movement in water is more difficult due to the resistance of the water. Water based exercise uses 30% more oxygen than similar land based exercise. By encouraging pain free limb movement against the resistance of water, muscle bulk will increase and thus muscle wastage will be reversed.

 Cardiovascular fitness

In water the heart needs to work harder in order to meet the increased demand for nutrients by all the muscles which are being worked, this sounds like hard work - it is - and that's the idea! For most dogs a short hydrotherapy session is an extremely challenging workout. However the buoyancy of the water and the fact that sudden twists, stops and falls are impossible, makes hydrotherapy a safe and effective form of exercise and it's also very enjoyable for most animals. Whilst immersed in water the chest is subjected to the effects of hydrostatic pressure; this means that every breath requires more effort. In particular muscles used for breathing in have to work much harder and as muscles strengthens with exercise this improves the whole respiratory system.


Conditions that benefit from hydrotherapy 

Most dogs will benefit greatly from hydrotherapy as a form of exercise. However it is essential to get advice from your Veterinary Surgeon before taking your animal for treatment. For the welfare and safety of your dog all CHA members will liaise with your Veterinary Surgeon prior to commencing therapy. 

Any animal that requires improvements in: Core strength, proprioception, gait modification, flexion, extension, muscle bulk, cardiovascular and muscle endurance will benefit from hydrotherapy including those with: 

Developmental Conditions

  •  Hip and Elbow dysplasia – especially useful for young dogs who are restricted to lead exercise
  • OCD
  • Patella Luxation 

Degenerative Conditions

  • Osteoarthritis (DJD) primary and secondary to developmental conditions
  • Spondylosis 

Pre and Post Surgical cases

  • Total Hip Replacement
  • Femoral Head and Neck Excision (FHNE)
  • Arthroscopy
  • Cranial Cruciate Rupture- TPLO/TTA/Lateral Suture
  • Patella Luxation

Neurological Conditions

  • Degenerative Myelopathy (DM)
  • Spinal Stenosis
  • Intervertebral Disc Protrusion/Degenerative Disc Disease 
  • Fibro-Cartilaginous Embolism (FCE) 
  • Cervical Vertebral Malformation 
  • Spinal Injury/Trauma/Shock
  • Discospondylitis 
  • Neuromuscular Disease 
  • Peripheral Neuropathies

Soft Tissue Injuries

  • Tendinitis
  • Ligament strain
  • Tendinopathies,
  • Muscle strains/sprains       

Obesity (weight loss in conjunction with diet)



Varen Chapman, Founder

More about Varen and her training here.