First decide whether the whole body is angled
Owners use “walking sideways” for several different movements. The shoulders may point forward while the hindquarters travel to one side. One leg may swing outward. A painful dog may shorten one stride and shift weight elsewhere. A dizzy dog may lean or fall. Those descriptions lead to different examinations, so begin with what the body is doing rather than naming a cause.
Watch the dog move freely in a small secure space before judging leash movement. A handler, tight lead or harness can pull the body off line. Compare a straight walk, a gentle turn in each direction and, only if the dog is comfortable, a few steps at a natural faster pace. Do not repeatedly exercise a dog who looks weak, painful or unsteady just to obtain better footage.
A useful gait video needs three ordinary views
- From behind, showing both hind feet and the line of the spine
- From the side, showing stride length and weight bearing
- From the front, showing whether the chest, head or paws drift to one side
- A wide view of one left turn and one right turn
- The surface, leash setup and whether the dog chose the pace
Film on carpet, grass or another nonslip surface with the whole dog in frame. Include the first few steps after rising if that is when the change appears. A video taken at home can be especially useful when excitement at the clinic changes the gait, but it cannot replace the physical and neurologic examination.
Long standing and sudden patterns should not be treated alike
A stable diagonal gait that has been present since maturity, causes no falls or scuffing and does not limit activity may reflect an individual dog’s build or habitual movement. Mention it at routine care and save a baseline video. A pattern that appeared today, follows a fall, becomes more obvious with fatigue or comes with pain deserves prompt veterinary advice.
Age also changes the context without providing an answer. In an older dog, arthritis, muscle loss, spinal disease and neurologic change may all alter alignment. In a growing dog, injury and development matter. Breed labels and internet videos cannot determine which tissue or nervous system pathway is involved.
Check for pain, weakness and coordination clues
- A shortened stride or reluctance to bear weight on one leg
- Paw scuffing, nail wear, knuckling or dragging
- Crossing the feet, swaying, stumbling or falling
- A head tilt, unusual eye movement or circling
- Difficulty rising, climbing steps or jumping into the car
- Crying, panting at rest, guarding the back or avoiding touch
Look; do not perform home neurologic tests. Flipping paws over, pulling the tail, stretching legs or forcing tight circles can cause a fall or aggravate pain. Keep the route short, block stairs and use a towel or support harness only if a veterinary professional has shown you how to support this dog safely.
The floor can reveal or exaggerate the change
Slippery flooring may expose weakness that grass hides, while an uneven surface can make any dog step cautiously. Note where the gait appears, but do not dismiss it as “just the floor” when the dog has changed. Place secure runners between resting, food and toilet areas while the cause is assessed.
When sideways walking needs urgent care
Seek urgent assessment for sudden inability to stand, repeated falling, collapse, severe pain, major trauma, loss of bladder control with weakness, dragging one or more limbs, a persistent head tilt with vomiting or rapid eye movements, seizures, or a dog who is becoming less responsive. Call ahead for transport advice if lifting could worsen pain or put the handler at risk.
Bring a timeline, not a theory
Write down the first date, whether onset was sudden or gradual, which surfaces and speeds reveal it, recent injury or medication changes, and whether appetite, drinking, toileting or behavior changed too. The question this page answers is how to document a diagonal gait. A dog who is generally wobbly on both back legs or an older dog with progressive hind leg weakness has a more specific Buddylio guide.