Hand Exercises After an Injury: The Four That Actually Matter

Most hand exercise sheets are a page of everything.

The useful version is four movements and a rule about dosing. After almost any hand injury, the thing you’re fighting is not weakness, it’s adhesion — scar tissue sticking structures together that are supposed to slide past each other.

So the exercises that matter are the ones that make things GLIDE, and they matter most in the first six weeks, while the scar is still soft enough to be argued with.

The four that earn their place

1. Tendon glides. Five hand positions in sequence: straight fingers, then hook fist (bend the top two joints only), then full fist, then tabletop (bend at the knuckles only), then straight fist (fingers bent at the knuckles and middle joint, tips straight). Each position makes the two flexor tendons slide different distances past each other and past the bone.

This is the single highest-value hand exercise there is. Nothing else moves the tendons through their full excursion.

2. Blocked bending. Hold the joint below the one you’re working, then bend just the joint above it. Hold the middle joint straight, bend the tip. This is how you make a specific stiff joint work rather than letting the mobile neighbors do it for you.

3. Intrinsic stretch. Bend at the knuckles, keep the fingers straight, and use the other hand to press gently. This targets the small muscles inside the hand, which are the ones that tighten after swelling and are routinely missed. See the stiff hand article.

4. Forearm rotation, with the elbow pinned to your side. Palm up, palm down. Let the elbow drift outwards and your shoulder does the movement for you, which is why most people think they have full rotation when they don’t.

Exercises that feel productive are usually the ones a neighboring joint is doing for you. The specific ones feel awkward and small. Those are the ones working.

The dosing rule that beats the exercise selection

Short and frequent beats long and occasional. Every time.

  • 5 to 10 repetitions, 5 or 6 times a day — not 50 repetitions once
  • Each hold for 3 to 5 seconds at the end of range, where the change actually happens
  • Warm hand first — a few minutes in warm water makes a measurable difference to range
  • Take the glove-tight swelling down before you stretch. A swollen hand will not bend, and no amount of forcing changes that

A hand improves in the gaps between sessions, not during one long heroic one.

The grip work comes later

Putty, grippers and squeeze balls are the first thing people buy and usually the last thing they should start.

Squeezing a stiff hand hard reinforces a fist you can already make, tightens the intrinsics and does nothing for the range you’re missing.

Order of operations: swelling down → range back → then strength. Skip a stage and you strengthen a hand into whatever shape it currently holds.

When someone arrives with a grip ball and no range, I ask them to put it away for three weeks. It’s the least popular instruction I give.

How much soreness is acceptable

  • Stretch discomfort during, easing within minutes — right dose
  • Ache for an hour or two afterwards — acceptable, especially early
  • Still sore the next morning — too much. Halve it
  • More swollen the next day — clearly too much. Swelling is the feedback signal that matters most
  • Sharp pain during — stop. That’s not stretch, and it doesn’t belong in a home programme

Do not self-program (no DIY or self therapy) if

  • You’re inside a post-surgical protocol for a repaired tendon or nerve — those rules exist against a real strength dip, and generic exercises can rupture a repair
  • A fracture hasn’t been confirmed as united
  • Pain is increasing week on week rather than settling
  • The hand is getting more swollen, sweaty or color-changed — that pattern is CRPS, and it needs a different approach entirely

The scar you’re negotiating with stays soft for about six weeks and keeps changing for about six months. After that you’re not arguing with tissue, you’re arguing with the shape it set in.

Every article on this site is written using the Closing Window Method: name the window your condition runs on, find where you are in it, and act while it’s still open.

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