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At a glance
- Tennis elbow (lateral epicondylitis) is pain on the outer elbow caused by overuse of the forearm tendons that attach there.
- Despite the name, it is most often caused by everyday repetitive gripping and lifting, not tennis.
- The classic feature is pain with gripping, lifting and twisting the wrist, often with a weakened grip.
- Most cases settle with relative rest, technique changes and physiotherapy, though recovery can be slow.
- Imaging is usually not needed; the diagnosis is made from your history and a physical examination.
Symptoms
The main symptom is pain and tenderness over the bony bump on the outer (lateral) side of the elbow, where the forearm tendons attach. The pain may spread down the back of the forearm towards the wrist. It is typically brought on or worsened by gripping, lifting, shaking hands, turning a doorknob or key, opening a jar, pouring a drink or using tools, and it often eases with rest.
Many people notice a weak or painful grip, so that objects feel harder to hold or are dropped unexpectedly. There may be stiffness or aching in the morning or after activity. Symptoms usually build up gradually over weeks rather than starting suddenly, and the outer elbow is often sore to touch. Tennis elbow does not usually cause the elbow joint itself to swell, lock or give way; those features point to other problems and are worth mentioning to a doctor.
What causes it
Tennis elbow develops when the tendons that attach the forearm muscles to the outer elbow are repeatedly overloaded. Over time this leads to small tears and a stalled, incomplete healing response in the tendon rather than simple inflammation. The forearm muscles involved are the ones that straighten (extend) the wrist and fingers, which is why gripping and wrist movements aggravate it.
The trigger is usually repetitive or sustained use of the hand and wrist, not a single injury. Common contributors include manual and trade work, prolonged computer and mouse use, carrying heavy bags or tools, gardening and DIY, and racquet sports such as tennis or badminton. Poor technique or unsuitable equipment (for example a racquet grip that is the wrong size, or a workstation that forces awkward wrist positions) can add to the load. Any activity that combines forceful gripping with repeated wrist movement can bring it on.
Who is at risk
Tennis elbow is most common in adults in their 30s to 50s, and it affects both men and women. You are more likely to develop it if your work or hobbies involve repetitive arm and wrist movements or forceful gripping, such as tradespeople, cooks, cleaners, assembly and factory workers, musicians, painters and people who type or use a mouse for long periods. Racquet and throwing sports raise the risk, particularly when technique or equipment is not ideal. A sudden increase in a repetitive activity, or returning to it too quickly after a break, can also set it off.
How it is diagnosed
Tennis elbow is usually a clinical diagnosis, meaning a doctor can identify it from your history and a physical examination without needing scans. The doctor will ask about your activities and how the pain behaves, then press over the outer elbow to find the tender spot and ask you to grip or extend the wrist against resistance, which typically reproduces the pain.
Imaging is generally not required. An ultrasound or MRI scan may occasionally be used if the diagnosis is unclear, if symptoms are not settling as expected, or to look for other causes of outer-elbow pain such as arthritis, a nerve problem or a different tendon issue. X-rays do not show the tendon but may be used to check the joint. A GP or polyclinic doctor can assess most cases and refer to physiotherapy or to an orthopaedic or hand specialist if needed.
Course and complications
Tennis elbow is usually not serious and tends to improve over time with the right care, but it can be slow and frustrating. Many people find their symptoms settle over several months, and a large proportion recover within about a year, especially with activity changes and exercise. It can also come and go, flaring when the aggravating activity is resumed.
In some cases the pain becomes persistent and lasts longer, particularly if the tendon keeps being overloaded. Long-standing tennis elbow can affect grip strength and make work or daily tasks harder. Serious complications are uncommon, and the condition does not spread to other joints. Sticking with a graded exercise programme and managing the load on the tendon give the best chance of a lasting recovery.
How it is treated
Most tennis elbow is managed with conservative care, and the aim is to settle the pain while gradually rebuilding the tendon’s capacity to handle load:
- Relative rest and activity modification. Rather than stopping everything, reduce or adapt the movements that aggravate the pain, and change how you grip, lift and work. Complete inactivity is generally not helpful.
- Exercises and physiotherapy. A graded programme of stretching and strengthening — particularly eccentric strengthening, where the muscle lengthens under load — is the mainstay of treatment. A physiotherapist can guide technique, progression and pacing.
- Ice and pain relief. Applying a cold pack after activity may ease discomfort. Simple pain relief can be used in the short term; a pharmacist or doctor can advise on suitable options for you.
- A brace or forearm strap. A counterforce strap worn just below the elbow, or a wrist support, can reduce the load on the tendon during activity for some people.
- Ergonomics and technique. Adjusting your workstation, tools, racquet grip or sports technique helps take strain off the tendon and reduces the chance of recurrence.
For cases that do not settle with these measures, a doctor may discuss further options such as shockwave therapy or an injection into the area; these are considered on a case-by-case basis and have their own pros and cons. Surgery is rarely needed and is usually reserved for persistent, disabling pain that has not responded to a proper course of non-surgical treatment. Overall, recovery often takes several months, and patience with the rehabilitation is important.
Living with it and self-care
Day-to-day habits make a real difference to recovery. The key is load management: keep using the arm within comfortable limits, but avoid pushing into sharp or lasting pain, and increase activity gradually rather than in sudden bursts. Break up repetitive tasks with short rest breaks, and spread heavy loads between both arms where you can.
Pay attention to technique and ergonomics — keep the wrist in a neutral position when working, hold a mouse and tools without a tight, prolonged grip, and check that sports equipment fits you. Warming up before activity and doing your prescribed stretching and strengthening exercises consistently helps the tendon adapt and become more resilient. Progress can feel slow and up-and-down, so try to be patient and stick with the programme rather than stopping and restarting; a physiotherapist can help you adjust the plan if a particular activity keeps flaring the pain.
When to see a doctor
See a GP, polyclinic or doctor if elbow pain is severe, constant, or not improving after a few weeks of self-care, or if it is affecting your work, sleep or grip. You should also seek review if there is marked swelling, if the elbow locks, catches or gives way, or if you notice numbness, tingling or weakness spreading into the forearm or hand, as this can suggest nerve involvement rather than tennis elbow. Getting an accurate diagnosis means the right rehabilitation can be started and other causes ruled out. Seek urgent care after a significant injury with sudden severe pain, obvious deformity or an inability to move the elbow.
Common questions
Do I need to stop all activity?
Not entirely — relative rest and modifying the aggravating movements, combined with strengthening exercises, works better than complete inactivity.
How long does tennis elbow last?
It often improves over several months, and many cases resolve within about a year with appropriate care.
Is it only caused by tennis?
No. Most cases come from everyday repetitive gripping and lifting rather than sport.
Do I need a scan to confirm it?
Usually not. Tennis elbow is normally diagnosed from your history and examination; scans are only used if the diagnosis is unclear or symptoms are not settling as expected.
Will I need surgery?
Rarely. The great majority of people recover with activity changes, exercise and physiotherapy, and surgery is only considered for persistent, disabling pain that has not responded to non-surgical treatment.
Related guides
Sources
- HealthHub Singapore — elbow pain.
- Ministry of Health Singapore — musculoskeletal conditions.
- American Academy of Orthopaedic Surgeons — tennis elbow.
- UK NHS — tennis elbow.
This article is for general information only and does not replace a consultation with a qualified doctor. Please seek personalised medical advice for your situation.