Dog Wheelchair for Degenerative Myelopathy: Rear Support, Fit and Timing

A dog wheelchair for degenerative myelopathy is a rear support cart that holds your dog's back end up so the front legs can carry on doing the walking. It will not cure the disease: there is no effective treatment or drug for DM at present, though physical therapy has been shown to slow progression.¹ What it does is keep your dog upright, moving and out in the world. Whether a cart improves a dog's quality of life in the short term depends on that dog's nature and temperament.¹²

What degenerative myelopathy does to the back legs

DM is caused by degeneration of the spinal cord, and it usually follows a recognisable order: it starts with loss of coordination in the hind legs and then worsens over six months to a year into paralysis of the hind legs.² Early on, the hind paws "knuckle" or turn under so the dog walks on its knuckles, especially when turning, the hindquarters sway when standing still, the dog falls over easily if pushed from the side, the hind feet scrape the ground when walking, and getting up from lying down becomes difficult.¹

Two things owners are relieved to hear: most affected dogs do not seem in pain, just very weak,¹ and bladder and bowel function are generally normal in the initial stages.¹

Weak back legs are not always DM

A wobbly back end in an older dog can come from many things besides degenerative myelopathy, including arthritis, hip dysplasia (hip joints that fit together poorly), spinal injuries, spinal tumors, and lumbosacral stenosis, a narrowing of the spinal canal in the lower back, which is why a vet workup comes before any conclusions.¹ Intervertebral disc disease (IVDD), meaning damaged or slipped cushioning discs in the spine and a common source of back pain in dogs, affects older dogs and also younger dogs of predisposed breeds,³ and it can look like a wobbly gait or weakness in the rear, or, if severe, leave a dog unable to use the back legs at all.³ With hip dysplasia, weakness and pain in the hind legs are the usual signs, with the dog appearing wobbly and reluctant to rise from a sitting or lying position.⁴

Telling them apart is the vet's job, partly because in its early stages DM resembles arthritis, which often occurs secondary to hip dysplasia in large breeds,¹ and it is the later progressive weakness and wobbling that separate the two.¹ Pain is a useful clue: if the dog appears to be in pain, there may be another condition complicating things.¹ Contact your vet at the first sign of back trouble, and if surgery is recommended for a disc, don't wait, because the longer you wait the greater the chance the spinal cord will degenerate to the point where it might not recover.³

When to get a wheelchair: earlier than you think

Order the cart while your dog still has some rear-leg movement, not after the back legs stop. Waiting for full paralysis means learning a new skill at the point of least strength. It also fits the goal your vet is working towards: keeping the dog on its feet as long as possible, with physical therapy shown to prolong quality of life and preserve muscle mass.¹

What a wheelchair does, and what it doesn't

A rear support wheelchair supports mobility. That is the whole claim. Cornell's management list for DM includes considering a wheelchair to support the hind limbs, alongside physical therapy, keeping a healthy weight, rugs or yoga mats on hard floors, ramps or steps, a sling or harness for walking and standing, and booties to reduce damage to scuffed paws.⁵

In practice, a cart means your dog keeps walking distance, keeps using the front end and core, keeps sniffing and exploring, and keeps some independence. It also spares your back, since you are steering rather than carrying.

Getting the fit right

Fit decides whether the cart works, so measure carefully before you order. The OldPal chair is sized by a single measurement: rear leg height, from the top of the hip straight down to the toe pad, taken with your dog lying on its side and the leg at its natural bend. Our size guide and fit finder walks you through it.

Set at the right height, your dog stands level, with weight through the hips and chest rather than the spine, and the back legs hanging free or lightly brushing the ground. A cart that is too tall tips weight onto the front legs and tires them. Too low, and the frame drags. Straps that sit in an armpit or rub a hip point cause sores and, quite reasonably, refusal to move. Check the skin at every strap and pressure point after each use.

Introducing the cart and using it safely

• Keep the first sessions to a few minutes on flat, familiar ground, with treats and sniff time.
• Walk ahead and let your dog follow you.
• Build duration slowly, a little more each day.
• Supervise every session. Never leave a dog alone in the cart, in a crate, or unattended outdoors.
• Take breaks. The cart is for walks and outings, not for resting, napping or all-day wear.
• Avoid ice, deep mud, stairs and steep slopes, and protect knuckling paws with boots or socks.
• Your dog can squat and toilet in the chair, but clean the harness and check the skin afterwards.

Keeping up the rest of the care

The cart is one piece of a wider plan. Veterinary rehabilitation uses targeted physical therapies such as massage, therapeutic exercise, heat, cold, laser and hydrotherapy, which is exercise in water, to improve a pet's mobility and reduce pain,⁶ and a veterinary referral is often required for it.⁶ It is also important to avoid obesity, so diet and exercise are vital.¹ At home: rugs on slick floors, a ramp at the back step, a lift harness for transfers, soft bedding changed often, and a short symptom diary so your vet can see the trend.

As the disease moves on

Watch for the cart doing less of the job over time. Muscle weakness may extend to the front limbs in the late stages of the disease,⁵ and as the disease progresses to paralysis, the dog may lose control of bladder and bowels.¹ At that point, talk to your vet or rehab team about chest and front-end support options, and shift your focus to short outings, scent games, gentle grooming and food puzzles.

The OldPal Rear Support Dog Wheelchair

One chair, made for dogs with weak or failing back legs. Five sizes (Mini, Small, Medium, Large, XL) cover rear leg heights from 3 to 27 inches, each frame adjusts in height within its range, and every strap adjusts. The padded harness carries weight through the hips and chest, the frame is lightweight aluminum with all-terrain wheels, and your dog can squat and go to the bathroom while in it.

Mini, Small and Medium chairs arrive within 1 to 2 weeks, Large and XL within 2 to 3 weeks (continental US only). If the size is wrong, our Fit Guarantee lets you exchange the frame for the size that fits. Send a photo and your measurement to help@oldpalpets.com and a person will check it with you.

See the OldPal Rear Support Dog Wheelchair

Frequently asked questions

Related guides

• Degenerative myelopathy in dogs: the full picture
• Back leg problems in dogs: causes and what helps
• Ivdd wheelchair
• Dog wheelchair hip dysplasia

Sources