The serve is usually the first thing to go. A player can rally all day without discomfort, but the overhead motion of the serve, especially at the top of the toss and through contact, starts producing a deep ache at the front or back of the shoulder. Some describe it as pinching, others as a dull soreness that lingers the next morning.
Tennis places enormous demand on the shoulder. A serve can involve internal rotation speeds among the fastest of any movement in sport, and that speed has to be generated and then decelerated by a relatively small set of muscles. When those muscles cannot keep up with the demand, or when the shoulder blade is not moving well, pain tends to follow.
What structures are usually involved?
Most tennis-related shoulder pain falls into a few recognisable patterns rather than one single injury.
- Rotator cuff irritation, particularly the supraspinatus and infraspinatus tendons, from repeated overhead loading
- Internal impingement, where structures at the back of the shoulder get pinched during the late cocking phase of the serve
- Labral irritation, especially in players who have served for many years and built up repetitive microtrauma
- Scapular dyskinesis, a fancy way of saying the shoulder blade is not moving efficiently, forcing other structures to work harder
These often overlap. A shoulder blade that sits and moves poorly changes how the ball and socket joint tracks, which increases stress on the rotator cuff and can eventually irritate the labrum too.
Why does it show up on serve day specifically?
The serve asks more of the shoulder than any other tennis stroke because it combines a full overhead reach, maximum rotation speed, and a hard deceleration all in about half a second. Groundstrokes are demanding, but they rarely push the shoulder into the same end-range positions repeatedly. Add a big service game, a tournament with back-to-back matches, or simply months of playing without any strength work outside of tennis, and the tissues around the shoulder start to fall behind the demand being placed on them.
How is it assessed?
A physiotherapist will look at more than just the shoulder joint itself. Range of motion, particularly internal rotation, is compared side to side, since many tennis players develop a deficit on the dominant arm that increases injury risk if left unaddressed. Scapular movement is watched during an arm raise, rotator cuff and deltoid strength are tested, and the story of when pain appears during the serve, at the top of the toss, at contact, or on follow-through, helps narrow down which structures are most likely involved. Imaging is not usually needed early on, though it can be useful if pain is severe or has lasted several months.
What does treatment look like?
- Restoring shoulder mobility, especially internal rotation and the ability of the shoulder blade to rotate upward smoothly
- Strengthening the rotator cuff and scapular muscles, which usually need targeted work beyond what tennis itself provides
- Manual therapy to reduce stiffness in the joint capsule and surrounding soft tissue
- Serve mechanics review, since a low toss, poor trunk rotation, or an overreliance on the arm rather than the legs and core all increase shoulder load
- A graded return to serving, building volume back up rather than going straight from rehab into a full match
Most players notice their shoulder tolerating serves better within several weeks of consistent strengthening work, though the timeline depends on how long symptoms have been present and how much the mechanics need adjusting.
Can this be prevented?
A lot of shoulder problems in tennis players come down to an imbalance between how much the shoulder is used and how much it is strengthened outside of play. Building rotator cuff and scapular strength two to three times a week, keeping an eye on internal rotation range, and not ignoring early pinching sensations before they become persistent pain all reduce the risk significantly.
Frequently asked questions
Why does my shoulder only hurt on serves, not groundstrokes?
The serve places the shoulder into more extreme rotation and overhead positions than any other stroke, so it tends to expose weaknesses or restrictions that groundstrokes do not.
Should I stop serving completely if my shoulder hurts?
Not always. Many players can reduce serve volume and intensity while working on the underlying issue, rather than stopping entirely, though a physiotherapist can advise based on how irritable the shoulder is.
Is this the same as a rotator cuff tear?
Not necessarily. Many cases are tendon irritation or movement dysfunction rather than a structural tear, though persistent or severe pain should be properly assessed to rule this out.
How long does shoulder rehab usually take for tennis players?
Many players feel noticeable improvement within four to six weeks of consistent strengthening and mobility work, with full return to competitive serving sometimes taking longer.
Does age make this more likely?
Cumulative loading over years does increase the likelihood of tendon and labral changes, but plenty of older players serve pain-free when strength and mobility are maintained.
If your serve is being held back by shoulder pain, it is worth getting it looked at properly rather than just playing through it. A sports physiotherapist in Dubai experienced with overhead athletes can identify what is driving the pain and build a plan to get your serve back. You can book a session here.
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Marcos Jusdado is a physiotherapist and osteopath at Kinesis Clinic, Vida Emirates Hills, in the heart of Dubai. With 9 years of experience and over 12,000 sessions, he specialises in sport physiotherapy, functional neurology (P-DTR), vestibular rehabilitation and chronic pain, working with everyone from busy professionals to competitive athletes. His approach focuses on finding the root cause of pain rather than just treating the symptoms, helping his patient to achieve long-lasting results.
