Ask Stella: What’s the Difference Between Shivers and Stringhalt?

Dear Stella, I’ve noticed that my horse has started to lift his hind leg in a really strange way, and I’m worried. My trainer mentioned something about “shivers” or “stringhalt,” but I’m not sure what the difference is between the two. Can you help me understand?– Concerned in Kentuck

Dear Concerned in Kentucky,

Oh, honey, I know exactly how unsettling it is to watch your horse move in ways that don’t seem right! But take a deep breath—we’ve all been there, wondering if our horses are trying to high-step their way into a marching band or if it’s something more serious. Let’s break this down so you can spot the difference between shivers and stringhalt, and know what might be going on with your horse.

What’s Shivers All About?

Shivers is one of those conditions where you notice your horse’s hind leg trembling when they try to lift it, or worse, they seem to hold it in the air for a little too long—like they’re having second thoughts about putting it down. This shows up most when they back up or when the farrier tries to pick up a hoof. Your horse might shake the leg around or jerk it up higher than normal, almost like he’s trying to shake off a pesky fly, but no fly in sight!

And let’s be clear: shivers isn’t painful, but it is progressive, meaning it can slowly get worse over time. If you’ve got a draft horse, Warmblood, or just a larger-than-life equine friend, they’re more likely to be affected by it.

What You’ll Notice with Shivers:

• The hind leg will tremble or shake, especially when asked to back up.
• Your horse might keep the leg raised longer than necessary, like they’re unsure what to do with it.
• They could give the farrier a hard time—lifting the leg can be awkward and uncomfortable for them.

Now, Let’s Talk Stringhalt

Stringhalt, on the other hand, is like watching your horse perform a surprise dressage move they never learned. It’s all about that snap!—the hind leg gets jerked up suddenly and high, then slapped down like they mean business. It happens when they’re walking forward, and it looks like they’ve got no control over it. Some horses will bring that leg down so hard, it can be uncomfortable for them.

The strange thing with stringhalt is that sometimes it’s caused by nerve damage, but it can also happen when horses eat certain toxic plants—yep, just when you thought grazing was the safest activity. There’s a version of stringhalt caused by a plant called false dandelion (fancy name: Hypochaeris radicata), and it’s even earned the name “Australian stringhalt” because of how common it is Down Under.

What You’ll Notice with Stringhalt:

• A sharp, exaggerated jerk of the hind leg, usually while moving forward.
• The leg is lifted higher than normal and then slammed down.
• Both hind legs can be affected, and the condition can be mild or dramatic, depending on the horse.

Shivers vs. Stringhalt: The Showdown

Here’s the key: shivers usually involves trembling or shaky hind leg movements when backing up or picking up a leg. Stringhalt, on the other hand, is more of a snap—a sudden, high jerk of the leg while moving forward.

• Shivers is often neurological, and it progresses slowly over time, but it’s not painful.
• Stringhalt can be triggered by nerve issues or even something your horse ate, and it’s more likely to cause discomfort.

What’s the Game Plan?

Unfortunately, there’s no cure for either shivers or stringhalt, but both can be managed. For shivers, keeping your horse relaxed and stress-free is key, and make sure your farrier knows how to handle them carefully. Some horses benefit from alternative therapies like massage or chiropractic care.

With stringhalt, removing your horse from any toxic plants can help, especially if it’s plant-related stringhalt. In more severe cases, surgery might be an option, but it’s not a guaranteed fix.

The Bottom Line

It’s always a good idea to get your vet involved for an official diagnosis, but now you’ve got a little more insight into what might be going on. Keep a close eye on your horse, and with some careful management, they can continue to live their best life—even if their hind leg has a mind of its own sometimes!

All the best,
Stella

Hello Fellow Horse Enthusiasts, I’m Stella, your no-nonsense equestrian mentor with a lifetime of hunter jumper experience under my belt. While I may be retired from competition, my passion for coaching the next generation of riders keeps me just as engaged with the equestrian world as ever.Whether you’re facing a challenging horse, a tough competition, or just need some honest advice, I’m here to help. Don’t be shy—bring your questions and concerns to me. I promise to provide you with the straightforward, heartfelt advice you need to excel in this thrilling sport. Looking forward to assisting you on your equestrian journey! All The Best, Stella

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