Repetitive Strain Injury (RSI)

Overview

Repetitive strain injury (RSI) is an umbrella term rather than a single diagnosis. It describes pain, aching, burning, tingling or weakness in the forearm, wrist and hand that builds up from prolonged, repetitive, low-force activity — most often hours of typing, mouse work and phone use with the arms held still. Sometimes a specific condition can be identified, such as tennis elbow, De Quervain's or carpal tunnel syndrome. Often, though, the pain is diffuse: it moves around, affects both arms, and does not fit neatly into one box. This diffuse form is sometimes called non-specific arm pain or work-related upper limb disorder.

The underlying problem is usually a mismatch between what the muscles and tendons are asked to do — hold a fixed posture and make thousands of small movements — and how much recovery they get. Muscles that work continuously at low intensity become fatigued and tender, blood flow reduces, and nerves running through tight tissue become sensitised. Stress, long hours, deadlines and poor sleep all make the nervous system more reactive and the pain more noticeable.

RSI is extremely common in students during exam periods and dissertation writing, in office and remote workers, gamers, musicians and anyone whose day involves many hours at a screen. Most people improve substantially once the workload, set-up and recovery balance is corrected and the arm is reconditioned, but the longer it is left, the more sensitised and persistent it tends to become.

Causes and risk factors

• Many hours of typing, mouse or trackpad use without breaks
• Laptop use on a sofa, bed or low desk, with the wrists bent and shoulders hunched
• Heavy phone use — scrolling, gaming and texting with the thumbs
• A sudden increase in screen time: exams, a new job, remote working
• A forward-head, rounded-shoulder posture that loads the neck and shoulder muscles
• Stress, long hours and poor sleep, which increase pain sensitivity
• Low general fitness and weak shoulder and forearm muscles
• Musical instruments, gaming controllers and other repetitive hobbies

How we may be able to help

Because RSI can hide a specific diagnosis, our assessment is thorough: we examine the neck, shoulders, elbows, wrists and hands, test the nerves along the arm, and look for conditions that need targeted treatment. Our 3D posture scan can show the rounded, forward posture that often drives symptoms. If anything unusual is found — persistent numbness, weakness, swelling or joint signs — we can arrange an online private GP consultation for investigations or a specialist opinion.

Treatment is usually a combination. Physiotherapy addresses the underlying overload: a practical review of your desk, laptop and phone habits; a graded strengthening programme for the shoulder blade, rotator cuff and forearm so the arm can tolerate a working day; nerve gliding exercises where the nerves are sensitised; and pacing strategies for exam periods and deadlines. Hands-on treatment eases the tight, tender tissues: dry needling for the forearm muscles, IASTM for the forearm and upper trapezius, cupping for broader muscular tension across the shoulders, and joint mobilisation where the wrist or elbow has stiffened.

Our chiropractor can treat the stiff neck and upper back that commonly accompany RSI, which many people find reduces the arm symptoms. Interferential therapy may be used for pain relief in the early phase, and kinesiology taping can offload sore forearm muscles during work.

What you can do at home

• Take a short break every 30 minutes: stand, roll the shoulders, let the arms hang and shake out the hands
• Raise your laptop screen to eye level and use a separate keyboard and mouse, with the forearms supported
• Keep your wrists straight and your mouse close to your body; try switching mouse hands or using a trackpad part of the day
• Reduce one-thumb phone use; use voice typing or two thumbs, and limit scrolling before bed
• Build general fitness — regular walking, swimming or light resistance training improves blood flow and tolerance
• Protect sleep and manage stress during busy periods, as both affect how much pain you feel