Mobility aid for ageing Schnauzer with hind leg trembling

Hind leg trembling on walks in a ten-year-old Miniature Schnauzer is a very specific problem — and the right aid here is quite different from what you'd use for a dog struggling with stairs or jumping into a car. The wrong fit can actually shift more weight onto the front legs and accelerate the fatigue you're trying to reduce. Can you tell me roughly how much your dog weighs, whether the trembling happens right from the start of the walk or only after a while, and whether your vet has given you any diagnosis — arthritis, muscle weakness, something neurological?

That's really helpful — and the fact that it comes on after exertion rather than immediately tells me her hind legs are fatiguing rather than failing outright, which is actually a good sign for how useful a support harness will be. With degenerative myelopathy the priority is a rear-end harness that lets you gently take some of her weight through the back half of her body when she starts to falter, without restricting her movement when she's going well. Has she ever worn any kind of body harness before, and is she generally cooperative about being handled around her hindquarters?

Perfect — that cooperative temperament and her existing harness experience will make the transition straightforward. For exactly what you're describing, I'd recommend the Ruffwear Web Master Harness. It's a full-body design with a secure handle positioned over the hips and lower back, which is precisely where you need it for hind end support. When Petra is walking well you just leave the lead attached to the front ring and it functions like a normal harness. The moment she starts to tremble you can take the handle and transfer just enough of her hindquarter weight to let her keep walking without collapsing. At 8kg she'd fit in the XS size. It's well-padded, machine washable, and built to last — Ruffwear make kit for working and assistance dogs so the construction is genuinely robust. It won't cure the underlying condition but it gives you a practical tool to extend her comfortable walking time and, importantly, protect her dignity on the days when her legs aren't cooperating.

Yes, absolutely worth thinking about now while she's still managing reasonably well — it's much easier to train a dog onto a ramp before they need it urgently. With hind end weakness, jumping down is harder on the spine than jumping up, so a low-profile ramp or a set of steps for anywhere she launches herself off regularly is sensible. But the Web Master harness is the priority for the outdoor problem you've described. Get that fitted and dialled in first, then revisit the ramp question in a few weeks once you see how the condition progresses. And do keep your vet in the loop as you go — physiotherapy referrals can make a real difference at this stage of DM.

Good luck with Petra — ten years old and still out on walks is a testament to how well she's been looked after. The Web Master will give you both a bit more confidence on those outings. If the trembling becomes more frequent or the condition progresses, come back and we can look at rear-wheel cart options or additional support solutions.