The Dog Mobility Project

You take your dog outside for a bathroom break, and something seems different. They start to squat, but their back legs shake. Maybe they keep standing back up, lose their balance, or seem unable to lower themselves into their usual position.

If your dog is having trouble squatting to poop, the problem may involve more than their digestive system. Painful joints, muscle weakness, and neurological conditions can make it difficult to get into or maintain the position needed for a bowel movement.

But there’s an important distinction: struggling to squat and struggling to pass stool are not the same thing. Understanding what you’re seeing can help you recognize a possible mobility problem and explain the symptoms to your veterinarian.

Why Does My Dog Have Trouble Squatting to Poop?

Dogs rely on their hind legs, hips, knees, and back to lower themselves into a squatting position and maintain their balance while eliminating.

If any part of that movement becomes painful or difficult, you may notice your dog:

• Starts to squat but quickly stands back up.
• Shakes or trembles in their back legs while squatting.
• Holds their rear end higher than usual.
• Shifts their weight from one back leg to the other.
• Squats unevenly or leans to one side.
• Loses their balance or sits down unexpectedly.
• Walks while trying to poop instead of remaining in one position.
• Avoids squatting altogether.

These behaviors can indicate discomfort, weakness, or difficulty coordinating movement. They don’t necessarily mean your dog is constipated.

The key question is whether your dog is having trouble holding the position or having trouble actually passing stool. Some dogs experience both problems.

5 Possible Reasons Your Dog Is Struggling to Squat

1. Arthritis or Joint Pain

Arthritis can make movements that involve bending and supporting weight uncomfortable, including squatting.

Dogs with arthritis may hesitate before lowering their rear end, squat less deeply, or stand up before finishing.

You might also notice stiffness after resting, reluctance to climb stairs, difficulty getting up, or reduced interest in walks.

Although arthritis is common in older dogs, it can affect younger dogs, too.

Related reading: How to Help a Dog With Arthritis Walk

2. Weakness in the Back Legs

Squatting requires more than flexibility. Your dog also needs enough strength to support their body while their hind legs are bent.

When those muscles become weak, maintaining the position may be difficult.

A dog with hind-leg weakness might begin squatting normally but then tremble, wobble, or sink toward the ground.

You may notice similar difficulties when your dog stands up after lying down or tries to balance on an uneven surface.

Related reading: Weak Back Legs in Dogs: Causes, Signs, and What to Do

3. Hip, Knee, or Lower Back Problems

Problems affecting the hips, knees, or lower back can interfere with the movements needed to squat.

For example, hip dysplasia, knee injuries, or spinal discomfort may make bending or bearing weight painful.

Some dogs compensate by extending one leg farther back, leaning to one side, or avoiding a full squat.

These changes are worth discussing with your veterinarian, especially when they appear suddenly or are accompanied by limping or pain.

4. Neurological Conditions

The nervous system helps control strength, balance, coordination, and awareness of limb position.

Conditions affecting the spinal cord or nerves may interfere with your dog’s ability to position their hind legs correctly.

Depending on the underlying condition, you might notice additional signs such as:

• Crossing the back legs while walking.
• Dragging the toes or wearing down the nails.
• Knuckling, where a paw folds under.
• Swaying or wobbling.
• Increasing difficulty standing or walking.

Neurological problems can have very different causes and levels of urgency. New or worsening coordination problems deserve veterinary attention.

Related reading: Why Is My Dog Knuckling?

5. Constipation or Other Problems With Defecation

Not every dog that struggles during a bathroom break has a mobility problem.

Constipation, anal sac disease, intestinal inflammation, or other digestive and rectal conditions can make passing stool difficult or painful.

A constipated dog may repeatedly squat and strain without producing much stool. They may also pass unusually hard, dry feces.

Some dogs with painful bowel movements may avoid squatting because they associate the position with discomfort.

This is why it’s important to observe what happens after your dog gets into position, not just how they squat.

Is My Dog Having Trouble Squatting or Trouble Pooping?

These two problems can look similar, but the details matter.

Difficulty maintaining a squat may look like:

• Back legs shaking or buckling.
• Trouble lowering the hips.
• Repeatedly standing up before finishing.
• Leaning, wobbling, or losing balance.
• Passing normal-looking stool once adequately positioned.

Difficulty passing stool may look like:

• Repeated straining with little or no stool.
• Frequent attempts to defecate.
• Hard, dry stools.
• Crying or appearing uncomfortable during a bowel movement.
• Mucus, blood, or changes in stool consistency.

These are clues, not a diagnosis. A dog can have both a mobility problem and constipation, and some serious conditions can cause similar signs.

If your dog is repeatedly straining without producing stool, contact your veterinarian promptly rather than assuming the problem is simply weak legs.

Why Does My Dog Walk While Pooping?

Some dogs begin moving forward during a bowel movement instead of remaining in a stationary squat.

There are several possible explanations.

A dog with painful joints or weak hind legs may find it uncomfortable to hold one position. Shifting or taking steps might help them redistribute their weight.

Other dogs may move because of urgency, discomfort, behavioral habits, or difficulty controlling elimination.

Walking while pooping isn’t enough on its own to identify a mobility problem. Pay attention to whether this is new behavior and whether it’s accompanied by trembling, stiffness, weakness, or changes in stool.

How Can I Help My Dog Who Struggles to Squat?

The safest approach depends on what’s causing the difficulty. Until your veterinarian has evaluated the problem, focus on making bathroom breaks easier without forcing movement.

Choose a Stable, Non-Slip Surface

Slippery ground can make an already difficult squat even harder.

Whenever possible, take your dog to a level area with secure footing. Avoid icy surfaces, slick decking, and steep slopes.

Give Your Dog Time

A dog experiencing stiffness or weakness may need more time to position themselves comfortably.

Avoid rushing, pulling on the leash, or repeatedly asking them to move while they’re trying to eliminate.

Ask About Appropriate Rear-End Support

Some dogs benefit from a properly fitted lifting harness that provides support around the hindquarters.

However, a harness should help stabilize your dog, not force them into a squatting position. The correct type of support depends on your dog’s condition, comfort, and ability to bear weight.

A veterinarian or canine rehabilitation professional can help determine whether assisted standing or another mobility aid is appropriate.

Review Pain Management With Your Veterinarian

If arthritis or another painful condition is contributing to the problem, treating the underlying discomfort may make bathroom positioning easier.

Never give human pain medication or start laxatives or enemas without veterinary guidance. Some products are dangerous for dogs, and treating the wrong problem can delay necessary care.

Keep a Record of What You Notice

A short video of your dog’s behavior during a bathroom break can be extremely helpful to your veterinarian.

Try to capture how your dog lowers into the squat, whether their legs shake or buckle, and whether they’re able to pass stool normally.

You can also note when the problem began, how often it happens, and whether other mobility changes are occurring.

When Should You Be Concerned?

A new difficulty squatting deserves a veterinary assessment, even if your dog otherwise seems comfortable.

Seek emergency veterinary care if your dog suddenly cannot stand or walk, develops paralysis, has severe pain, or has a swollen or painful abdomen with repeated unsuccessful attempts to eliminate.

Contact your veterinarian promptly if your dog repeatedly strains without producing stool, cries during bowel movements, has blood in the stool, develops new hind-leg weakness, or has a noticeable change in bathroom habits.

If your dog appears to be trying to urinate but cannot produce urine, treat that as an emergency.

Don’t wait for symptoms to become severe before asking for help.

What Should I Tell My Veterinarian?

When discussing your dog’s difficulty squatting, try to answer these questions:

1. Does my dog struggle to lower into the squat, or do they struggle to pass stool?
2. Are their back legs trembling, buckling, or sliding?
3. Is the problem new, intermittent, or getting worse?
4. Are bowel movements normal in frequency and consistency?
5. Have I noticed changes in walking, standing, climbing stairs, or getting up?
6. Does my dog appear painful, stiff, or uncomfortable?
7. Have there been any changes in medication, diet, or activity?

These details can help your veterinarian decide whether to investigate an orthopedic, neurological, digestive, or other medical cause.

Frequently Asked Questions

Can arthritis make it hard for a dog to poop?

Yes. Arthritis can make the physical act of squatting uncomfortable, even when the dog’s digestive system is functioning normally. Dogs may squat less deeply, shift their weight, or have difficulty maintaining the position.

Why do my dog’s back legs shake when they squat?

Shaking during a squat can occur with muscle fatigue, weakness, pain, or problems affecting balance and coordination. Because several conditions can cause similar signs, persistent or worsening trembling should be evaluated by a veterinarian.

Why does my dog stand up before finishing pooping?

Some dogs stand up because they cannot comfortably maintain the squatting position. Others may be experiencing discomfort or difficulty passing stool. Watch for weakness, straining, changes in stool, and other symptoms to help your veterinarian determine the cause.

Can a dog wheelchair help with bathroom breaks?

For some dogs with mobility limitations, a properly fitted wheelchair can provide support during elimination. However, it isn’t appropriate for every dog or every underlying condition, and it won’t resolve constipation or other digestive problems. Discuss the option with your veterinarian or rehabilitation professional.

Is difficulty squatting a normal part of aging?

No. Although conditions such as arthritis become more common with age, difficulty squatting should not automatically be dismissed as normal aging. Changes in how your dog moves or eliminates deserve attention.

The Bottom Line

If your dog suddenly struggles to squat to poop, pay attention to how they move, not just whether they complete their bowel movement.

Shaking back legs, difficulty lowering the hips, or an inability to maintain balance may point toward a mobility problem. Repeated straining, hard stools, or painful defecation may suggest a digestive or rectal issue instead.

Sometimes both are involved.

The sooner you recognize a change in your dog’s normal routine, the sooner you can work with your veterinarian to understand what’s happening and help your dog stay comfortable.

If you’ve noticed other changes in how your dog moves, explore the Dog Mobility Symptom Finder to find additional resources based on the behaviors you’re seeing.

Trusted Veterinary Information

Veterinary Resources & Further Reading

Understanding why your dog struggles to squat may involve looking at joint health, pain, and digestive function. These veterinary resources offer additional information about conditions that can affect bathroom routines.

Osteoarthritis in Dogs — Cornell University

Explains how osteoarthritis affects comfort, movement, and daily activities, including movements that require bending and weight-bearing.

How Pain Affects Behavior in Dogs — VCA Animal Hospitals

Describes how pain can change a dog’s posture, movement, and everyday behaviors.

Digestive Disorders in Dogs — Merck Veterinary Manual

Provides background on digestive conditions and symptoms that may accompany difficulty passing stool.

Medical note: These resources are provided for education and do not replace a veterinary examination. New difficulty squatting, repeated straining, or changes in mobility should be discussed with your veterinarian. Sudden inability to stand, severe pain, or inability to urinate requires emergency veterinary attention.