Tennis Elbow: What Causes It and How It Is Usually Managed
Most people with tennis elbow have never played tennis. It is a tendon load problem, and it responds to the right kind of loading rather than to rest alone.
Tennis elbow, or lateral epicondylalgia, is pain on the outer side of the elbow where the tendons of the wrist extensor muscles attach. The name is misleading, since the majority of people who develop it have never played tennis.
It is fundamentally a tendon problem driven by load, and understanding that changes how it should be managed.
What actually causes it
The muscles that extend the wrist and fingers converge into a common tendon on the outside of the elbow. Repeated gripping, lifting and wrist extension load that tendon, and when the load rises faster than the tendon adapts, it becomes painful and sensitive.
Typical triggers seen in clinic:
- A period of unusual manual work, such as decorating, building or gardening
- Extended computer and mouse use, particularly with a new setup
- Occupations involving repeated gripping: trades, hairdressing, hospitality, healthcare
- Racket and throwing sports, especially after a technique or equipment change
- Gym work with a sudden increase in gripping load
Why complete rest often disappoints
Rest usually reduces the pain, because removing load from a sensitised tendon feels better. The difficulty is that tendons need load to adapt and maintain their capacity. Extended rest can leave the tendon less tolerant than before, so pain returns as soon as normal activity resumes.
The productive approach is generally to reduce provocative load temporarily while introducing controlled, progressive loading, so the tendon rebuilds tolerance rather than simply being avoided.
How it is usually managed
Management typically combines several elements, matched to how irritable the tendon is:
- Adjusting the activities that are currently provoking it, without stopping everything
- A progressive strengthening programme for the wrist extensors and the whole arm
- Assessment of grip, technique and workstation setup where these are contributing
- Hands-on treatment to ease local symptoms and improve tolerance to exercise
- Machine-based therapies such as shockwave or laser, used alongside loading rather than instead of it, particularly where symptoms have been present for some time
The shoulder and neck connection
Elbow symptoms are sometimes influenced by the neck or shoulder, and grip strength depends on the whole arm working well. An assessment that only examines the elbow can miss a contributing factor further up the chain.
A realistic timeline
Tennis elbow is typically slower to resolve than people expect. Many cases improve over roughly three to six months with consistent management, and some take longer where symptoms have been present for a year or more before treatment begins.
Improvement is usually gradual rather than sudden, and it is normal to have better and worse weeks within an overall upward trend. Consistency with loading tends to matter more than intensity.
Timelines are general ranges and vary between individuals.
When to be assessed
Earlier assessment generally means a shorter course, because tendon problems become more stubborn the longer they persist.
- Outer elbow pain that has persisted beyond two to three weeks
- Pain with gripping, lifting a cup, turning a door handle or shaking hands
- Weakness in the grip, or dropping objects
- Pain that is disturbing sleep
- Any numbness or pins and needles, which suggests nerve involvement rather than a straightforward tendon problem and should be assessed
This article is general education and is not a diagnosis. If something is limiting how you move, a physiotherapist can assess you in person and explain what is appropriate for your situation. AK Drousiotis Physiotherapy & Rehabilitation is in Mesa Geitonia, Limassol, and is a ΓεΣΥ (GESY) provider.
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Information is provided for general education. It is not a promise of a specific outcome and it does not replace an individual assessment.