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Three Thousand Strokes a Session. The Same Two Tendons Doing Most of Them.
Kayaking wrist pain usually comes from three things together: a tight grip on the shaft, a feathered paddle that makes one wrist twist on every stroke, and a big jump in distance.
The usual culprits are intersection syndrome (a squeaky, swollen spot a few inches above the wrist on the thumb side), De Quervain’s (pain right at the base of the thumb) and tennis elbow.
Most settle in 2 to 6 weeks if you loosen the grip, change the feather angle and cut the distance, rather than stopping completely.
Where are you right now?
- Squeaky or creaky forearm above the wrist: read “Which tendon is it?”
- Pain at the base of the thumb: same section.
- Outer elbow sore after long paddles: tennis elbow. Read on, then the link.
- Dragon boat or SUP: there’s a section for you near the end.
- Fell on your hand getting in or out: skip to the red flags.
Why paddling hurts the wrist
A kayak stroke pulls with the bottom hand and pushes with the top hand, thousands of times a session.
With a feathered paddle (blades set at an angle to each other), your control hand rotates the shaft on every stroke so the other blade enters the water cleanly. That’s a small twist, repeated 1,500 times per side…through the same tendons on the thumb side of the wrist.
Squeeze the shaft hard, paddle into a headwind, double your usual distance on a holiday weekend, and those tendons get irritated.
Moana made paddling look like a montage. Real paddling is 3,000 strokes on the same tendon.
Which tendon is it?
- 4 to 8 cm above the wrist, thumb side, swollen, creaking when you move: intersection syndrome, where two tendon groups cross and rub. Classic in paddlers and rowers.
- Right at the base of the thumb, worse moving the thumb: De Quervain’s.
- Little-finger side of the wrist: the ECU tendon or the TFCC.
- Outer elbow: tennis elbow, from grip.
More detail in wrist tendonitis: which tendon.
What to change
- Loosen the grip. Fingers wrapped, not squeezing. On the push phase, open the top hand slightly.
- Reduce or remove the feather. A lower feather angle, or none, cuts the wrist twist on every stroke. Change it gradually; your technique has to catch up.
- Push with the top hand. Let the trunk rotate and the top hand push, instead of the bottom wrist doing all the pulling.
- Keep the wrists straight. A bent-shaft paddle helps some paddlers keep a straighter wrist.
- Cut the distance. Half your usual session for 2 weeks, then build by about 10 to 20% a week.
The paddle doesn’t hurt your wrist. The grip, the feather and the mileage do.
Dragon boat and SUP
Dragon boat and stand-up paddling use a single-blade paddle. The top hand sits on the T-grip, the bottom hand takes most of the pull.
- Bottom hand: often De Quervain’s or intersection syndrome, from gripping hard and bending the wrist through the catch.
- Top hand: often little-finger-side wrist pain from driving the T-grip down with a bent wrist.
- The fix: drive with the trunk and legs, keep the wrists straight, swap sides regularly in SUP, and build race-season volume gradually.
Paddling wrist pain, week by week
Pain while paddling should stay at 3 out of 10 or less, and settle by the next morning.
- Weeks 0 to 2 (OPEN): half distance, loose grip, less feather. Ice the sore spot after paddling if it helps. A thumb splint at night can calm De Quervain’s or intersection syndrome.
- Weeks 2 to 6 (OPEN): distance back up gradually. Wrist and grip strengthening on land, 3 sets of 15, slow.
- After 6 weeks (CLOSING if it’s still there): pain that hasn’t settled with these changes needs assessment. Tendons left irritated for months thicken and get stubborn.
Is this normal?
Usually expected:
- Forearm tiredness after a long paddle that’s gone by morning.
- Mild tenderness on the thumb side after a big trip, settling within a few days.
Check with a doctor or hand therapist if there’s visible swelling with creaking, pain that wakes you, or it keeps coming back each season.
If it isn’t going to plan
You cut the distance, loosened up…and 6 weeks on, the thumb side still squeaks on every stroke.
A tendon sheath that’s been inflamed for weeks starts to thicken. Each paddle re-irritates it. The longer it runs, the more likely you’re looking at a splint, an injection or, rarely, a release, instead of a technique change.
Get it assessed by a doctor or hand therapist now, while it’s still the simple version. See also rowing forearm and wrist pain.
When can I…?
Typical ranges for tendon irritation.
| Activity | Typical timing |
|---|---|
| Short, easy paddles with a loose grip | Usually straight away, if pain stays low |
| Your usual distance | Often 2 to 6 weeks, built up gradually |
| Races and long expeditions | Once your usual distance has been pain-free for 2 weeks |
Get it checked today if
- You fell onto your hand, and the hollow at the base of the thumb is sharply tender. See scaphoid fracture.
- The forearm is hot, red and swollen, or you have a fever.
- Numbness in the fingers that isn’t settling.
Get it checked if
- Creaking and swelling above the wrist that hasn’t settled in 2 weeks.
- Thumb-side pain that’s still there after 6 weeks of changes.
- Pain that wakes you at night.
Loosen the grip, drop the feather, cut the miles. Most paddling wrists settle without stopping the paddling.
Written by Nigel Chua, hand occupational therapist in practice since 2005. Thousands of hands, wrists and elbows assessed and treated. My credentials are here. This article explains; it doesn’t examine. If your forearm creaks and swells, get it seen before the next long trip.
Part of: Hand, wrist and elbow pain by job, sport and hobby
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.