Every body is different.
A fit starts with listening.
Use this planner to explore a size family. A professional assessment and full measurements are still needed.
If loss of hind-leg use is new or sudden, seek urgent veterinary assessment. Do not delay treatment to measure or build a chair.
Explore a planned size
These are proposed ranges, not validated fit specifications. Inputs stay in this page and are not submitted.
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View this size conceptThe complete picture
Let a professional guide the posture
Ask your vet how to support your dog for measurements. Do not force standing or straighten a painful limb.
Record length and width, too
Weight and rear-leg height only narrow the planning family. Body length, body width, harness position and wheel clearance determine the actual geometry.
Review comfort and strength
A rear-support cart depends on adequate front support and an appropriate care plan. Some dogs need a different type of aid.