Wrist Pain at the Keyboard: Carpal Tunnel, RSI and What Helps
MBM (Mind Body Motion) Physiotherapy · 23 August 2026 · 4 min read

Small movements, thousands of repetitions
Typing looks effortless, which is precisely how it injures people. Each keystroke and mouse click is tiny, but a full working day stacks tens of thousands of them onto the same few tendons and one famously crowded passage — the carpal tunnel, a rigid corridor at the base of the palm through which nine tendons and the median nerve squeeze together. Hold the wrist bent up or down while making those repetitions, and pressure inside the tunnel multiplies several-fold; low-grade strain that never gets recovery time gradually becomes inflammation, thickening and pain.
The umbrella term RSI — repetitive strain injury — covers several distinct problems that get treated differently, so the first job is telling them apart. The good news across all of them: caught early, keyboard-related wrist trouble responds well to load changes, targeted exercise and ergonomics, and most people never need more.
Nerve or tendon? Reading your own symptoms
Carpal tunnel syndrome is a nerve problem, and it announces itself with nerve language: numbness, tingling or electric pins-and-needles in the thumb, index, middle and half the ring finger — sparing the little finger — classically waking you at night or buzzing during phone use and two-wheeler or car driving, eased briefly by shaking the hand out. Later it can add clumsiness with buttons and dropped cups as the thumb muscles weaken.
Tendon-side RSI speaks in aches: pain along the top of the wrist or forearm that builds through the workday, tenderness where tendons run, sometimes creaking on movement. One specific member deserves naming — de Quervain's tenosynovitis, sharp pain on the thumb side of the wrist when gripping or wringing, common in heavy texters and in parents repeatedly lifting babies. Little-finger tingling, by contrast, points to the ulnar nerve at the elbow, often from leaning on desks.
First-line care for carpal tunnel: splints and glides
A night splint that holds the wrist straight is the single best-evidenced starting move for mild to moderate carpal tunnel, because most people sleep with wrists curled, raising tunnel pressure for hours at a stretch. Wear it nightly for four to six weeks; daytime wear is unnecessary unless a specific task provokes symptoms. Relief of night waking within a couple of weeks is a good sign you are on the right track.
Add median nerve glides: sit tall, straighten the arm out to the side at shoulder height with the palm up, and gently extend the wrist and fingers until you feel light tension along the forearm — then release, moving rhythmically rather than holding, ten slow repetitions, two to three times daily. Glides should produce mild stretch that fades immediately; increasing numbness during or after means you are pulling too hard on an irritated nerve, so shrink the range.
First-line care for tendon pain: relative rest, then loading
Aching tendons need their load reorganised, not eliminated. Trim the provocateurs for two to three weeks — long unbroken mouse sessions, phone-thumb marathons, wringing clothes — while keeping the hand gently active, and use short icing or a wrist support during flare days. For de Quervain's, a thumb-including splint (spica) rests the exact tendons involved and helps many within weeks.
Then rebuild capacity, because tendons ultimately strengthen through load. Wrist curls and reverse curls with a 0.5-1 kg (1-2 lb) weight or a filled water bottle — forearm supported on a table, wrist moving slowly up and down over three seconds each way, two to three sets of ten to twelve, alternate days — plus grip work squeezing a soft ball for five-second holds. Work to a mild, settling ache, never sharp pain, and expect six to eight weeks of gradual gains. Skip loading during hot, visibly swollen flares, and skip self-treatment altogether if the wrist locks, clicks painfully, or followed a fall — a scaphoid fracture near the thumb base is notorious for masquerading as a sprain.
The desk fixes that stop the cycle restarting
Position beats products. Set your chair and desk so elbows rest near ninety degrees with shoulders relaxed, and keep the wrists floating straight, with the keyboard flat or even tilted slightly away, since the popular raised keyboard feet actually worsen wrist extension. The mouse belongs immediately beside the keyboard at the same height, and wrists should never press into a desk edge while typing.
Micro-breaks outperform equipment: twenty to thirty seconds of hand-shaking, fist-opening and shoulder rolls every twenty to thirty minutes measurably reduces symptom build-up, and pairing breaks with existing rhythms — every chai or coffee refill — makes them survive deadlines. Laptop workers need a separate keyboard or a stand, because a laptop's single slab forces either the neck or the wrists to pay.
When to escalate, and what escalation looks like
See a doctor if six to eight weeks of splinting, exercise and desk changes leave carpal tunnel symptoms unimproved, and sooner — without waiting — if numbness becomes constant, the thumb pad visibly thins or weakens, or objects start dropping from the hand, because a nerve compressed hard for long enough loses ground that surgery cannot always fully reclaim. A nerve conduction study can grade the compression, a steroid injection buys many people months of relief, and carpal tunnel release is a short operation with high success rates in confirmed cases.
Escalate tendon-side pain if it persists beyond a couple of months of honest management or visibly swells. And route to your doctor first if wrist symptoms come with neck pain and arm tingling, tingling in both hands, morning stiffness across many joints, or you are pregnant or have diabetes or thyroid disease, all of which change the diagnosis and its urgency.
Questions patients ask
Do ergonomic keyboards and vertical mice cure RSI?
They reduce strain angles and help many people, but no product outweighs straight-wrist positioning, sensible workload and micro-breaks. Fix posture and pacing first, then let equipment fine-tune what remains.
Why is carpal tunnel worse at night?
Most people sleep with wrists curled, which raises pressure inside the tunnel for hours, and fluid also redistributes into the arms while lying down. A night splint holding the wrist straight interrupts exactly this mechanism, which is why it works.
Can I keep working through wrist pain?
Usually yes, with modifications — shorter unbroken sessions, splinting where indicated, voice input for heavy typing days. Pushing through escalating numbness is different: constant numbness or weakening grip needs medical review promptly, not endurance.


