Knitting
4 Reasons Your Thumb Won’t Let You Finish a Row Any More
Read on to find out what’s actually happening at the base of your thumb — and why it was never about your tension or your needles.
I was three rows from the end of a blanket for my niece’s baby, close enough that I could see the whole thing finished, and my thumb just locked up. Not tired — properly seized, right at the base, enough that I had to put the needles down and walk away from a project I’d been so close to finishing.
I sat there for a minute more annoyed than anything. Losing my place, losing the evening, losing a habit that’s kept my hands busy for the better part of thirty years — over what I assumed, at the time, was just gripping the needles wrong.
1. You’ve Blamed This on Your Tension, Your Needle Size, or Just Needing a Break
The explanations all sounded reasonable. Maybe my tension’s too tight. Maybe these needles are the wrong size. Maybe I just need to knit for shorter stretches. So I loosened my tension, tried different needles, took more breaks. The ache came back regardless, in exactly the same spot, whether I was working thick wool on big needles or fine cotton on a hook barely thicker than a matchstick.
2. The Real Problem Is One Joint, Not Your Technique
At the base of your thumb is a joint called the CMC — where your thumb meets your wrist. That joint is held in place by ligaments, and ligaments respond to oestrogen. As oestrogen drops through perimenopause, those ligaments lose collagen and get looser, and the joint that used to stay perfectly put starts to shift slightly under ordinary grip. One shift you’d never feel. But it happens constantly, all day, and a loose joint has nowhere to settle.
Every stitch is a small, repeated hold at that same joint. One shift is nothing. A few hundred an hour, across an evening, adds up to a joint that’s simply not as stable as it was — regardless of your tension, your needle size, or how many decades you’ve been doing this.
3. Putting the Needles Down for a Few Days Doesn’t Actually Fix It
Once that joint starts shifting under repeated grip, the tissue around it swells, and that swelling is what makes the next stitch hurt more. Put the project down for a few days, the ache settles, and it feels like it’s healed. Pick the needles back up, and within an hour it’s back — often worse than before you stopped. Rest only ever calmed the swelling. It never touched the joint underneath.
4. Every “Fix” You’ve Tried Either Doesn’t Help or Stops You Knitting Altogether
A rigid splint might hold the joint steady, but locks your thumb up enough that you can’t work a stitch — which solves the pain by taking away the thing you were trying to protect in the first place. And “maybe just take a break from it for a while” ignores what this hobby actually is for a lot of us — not a way to pass time, but one of the few things that keeps your hands and your head both properly occupied at once.
So What Can You Actually Do About It?
- Support the one joint every glove and splint leaves moving, through hundreds of repeated stitches an evening
- Do it without locking the thumb, so you can still work a stitch properly
- Be comfortable enough to keep on the whole time you knit, not just twenty minutes at a stretch
So a hand therapist who works with knitters and crocheters set out to build one.
The First Brace Made for the Way a Knitter’s Thumb Moves
- A contoured pad supports the CMC joint at the base of your thumb, the exact one other braces miss
- All four fingers stay free, so you grip and tension the yarn as you always have
- Soft, lightweight and comfortable, so you can settle in and knit for hours
I left the link above if you want to have a look.
That blanket got finished the following week. My niece’s baby is due any day now, and it made it in time.
— Diane