Pinch strength, and how to build it

Why pinches feel impossible

Most climbers spend their first year or two pulling down on edges and jugs, where the fingers wrap over a lip and the thumb does very little. Then they meet a proper pinch, a hold you have to squeeze between thumb and fingers, and suddenly all that hard-won crimp strength is useless. The hand just opens up and the hold slides out.

The reason is simple. Pinching uses your thumb and the muscles that pull thumb and fingers towards each other, and those are barely trained by ordinary pulling. A pinch only works if you actively squeeze, generating friction against the sides of the hold rather than pulling down on a lip. If you never train that squeeze, it stays weak no matter how strong your fingers get on edges.

The good news is that pinch strength responds quickly once you start working it, because most climbers are starting from such a low base.

Climb pinches on purpose

Before any dedicated training, the most useful thing you can do is simply seek out pinches when you climb. Most of us steer around them, picking problems that play to our strengths. Do the opposite for a while. On your warm-up boulders and easy routes, hunt out the pinch holds and use them deliberately, even when an edge nearby would be easier.

A few pointers that make pinches work:

• Squeeze, do not hang. Drive your thumb hard against the opposite side of the hold. The grip comes from compression, not from your fingers curling.
• Position your body to compress. Pinches usually come good when your weight is set up so you can squeeze inwards, often on steeper ground with your feet pushing you into the hold.
• Engage your thumb early. Set the thumb as you take the hold, not as an afterthought once you are already slipping.

Climbing pinches teaches your body to recruit the squeeze under real load, which is something no gym exercise quite replicates.

Simple ways to train it

If you want to build pinch strength directly, you do not need much.

The most accessible tool is a block pinch or a pinch block, a flat-sided block you grip and lift with a weight hanging from it. Pinch the block with your thumb on one side and fingers on the other, and either deadlift it off the floor or hang weight from it for short holds of around ten seconds. Start light, add weight slowly over weeks, and stop the set the moment your grip starts to open. This is the cleanest way to load the squeeze in a controlled way.

If you climb on a board or a hangboard with pinch features, you can train pinch hangs the same way you train any other grip, with short hangs and full rest between. Wide pinches stress the thumb more, narrow pinches less, so start narrower and work wider as you get stronger.

Even a thick book or two weight plates held together work in a pinch, literally. Hold them out at your side and walk, or just stand and resist them slipping. It is humble training but it builds exactly the squeeze you are missing.

Go slow and watch the thumb

Pinch training loads the thumb and its tendons in a way climbing rarely does, so the usual finger-training rules apply doubly. Warm up properly, start far lighter than you think you need to, and add load gradually across weeks rather than chasing big numbers in a single session. The base of the thumb in particular can get sore if you rush it.

Build it patiently and pinches stop being the holds you dread. Within a season of regular work, the squeeze that felt impossible becomes just another tool, and a whole category of climbs that you used to avoid opens up.