Shoulder Labral Tears in Tennis Players: Diagnosis, Treatment, and Getting Back on the Court

Why Tennis Players Are Vulnerable to Labral Injuries

The shoulder labrum is a ring of fibrocartilage that lines the glenoid socket, deepening it by roughly 50 percent and anchoring the long head of the biceps tendon at its superior aspect. In most daily activities, the labrum functions seamlessly in the background. In tennis, it is under significant and repetitive stress.

A full-speed tennis serve places the shoulder in maximum external rotation at over 90 degrees of abduction — a position that generates enormous force across the labrum-biceps anchor complex. Elite players may serve at speeds exceeding 120 mph and complete hundreds of serves per session. The cumulative loading from years of this motion can gradually peel the superior labrum off the glenoid rim, producing what is termed a SLAP lesion: Superior Labrum Anterior to Posterior tear.

Beyond the cumulative mechanism, acute labral tears can occur from a single traumatic event: a fall onto an outstretched arm, a forceful follow-through that loads the shoulder at end range, or a sudden traction force on the arm. Tennis players in doubles matches who dive for shots or collide with the net post are exposed to these acute mechanisms.

Recognizing a Labral Tear

The pain from a labral tear is often deep, poorly localized, and difficult for the athlete to describe precisely. Patients frequently point to the front of the shoulder or the shoulder joint itself and report that the pain is worst during the serve — particularly at the moment of maximum external rotation at ball toss. Groundstrokes may initially be tolerable, but as the condition progresses, overhead smashes, volleys, and eventually serving become increasingly painful and unreliable in terms of ball velocity and placement.

Other common symptoms include:

• A mechanical catching or clicking felt during certain shoulder movements
• A subjective sense of "dead arm" — reduced power or control through the kinetic chain during the serve
• Night pain when lying on the affected shoulder
• Weakness or fatigue that appears earlier than expected during practice

These symptoms warrant orthopedic evaluation rather than continued training through the pain. Early intervention typically leads to shorter recovery times and a lower likelihood of needing surgery.

Diagnosis: What to Expect

A thorough physical examination is the starting point. Your orthopedic physician will assess shoulder range of motion — specifically looking for glenohumeral internal rotation deficit (GIRD), which is a loss of internal rotation compared to the opposite shoulder and is closely associated with SLAP injuries in overhead athletes. Specific provocative tests assess the biceps-labrum complex under load.

MRI arthrogram — a specialized MRI performed after injecting contrast dye into the joint — provides superior visualization of the labrum compared to standard MRI. The contrast outlines the contours of the labral tissue, making partial detachments, complex tear patterns, and the integrity of the biceps anchor visible at a level of detail that standard MRI cannot reliably achieve. This study also identifies associated injuries including rotator cuff pathology and Hill-Sachs lesions.

Non-Surgical Treatment

A meaningful proportion of tennis players with labral tears — particularly those with early or partial injuries — improve with a structured non-operative program. This typically spans three to six months and involves:

Relative rest from aggravating activities, particularly serving and overhead smashing, while maintaining lower-intensity hitting and cardiovascular fitness.

Posterior capsule stretching to correct GIRD, which is a mechanically important contributor to SLAP injury recurrence. The sleeper stretch and cross-body stretch are commonly prescribed; a physical therapist can ensure they are performed correctly.

Rotator cuff and scapular strengthening, targeting the posterior rotator cuff (infraspinatus, teres minor) and periscapular stabilizers (serratus anterior, lower trapezius). Scapular dysfunction is common in overhead athletes and alters shoulder mechanics in ways that increase labral stress.

Kinetic chain rehabilitation, addressing hip, core, and trunk strength and coordination. The serve is a whole-body movement — deficiencies at the hip or core force the shoulder to compensate.

Surgical Options: SLAP Repair and Biceps Tenodesis

When non-operative management fails, two surgical procedures are most relevant for tennis players:

Arthroscopic SLAP repair reattaches the torn labrum to the glenoid rim using suture anchors. It most closely restores the native anatomy and is favored in younger competitive players with isolated labral tears and well-preserved tissue quality. The main concern with SLAP repair in overhead athletes is the risk of post-operative stiffness and a less predictable return to pre-injury serve velocity; some series report return-to-prior-level rates below 65 percent.

Biceps tenodesis detaches the long head of the biceps tendon from its destabilized labral anchor and re-secures it lower on the humerus. This eliminates the peel-back mechanism at the root of most SLAP tears and avoids the risk of the stiffness that can follow labral repair. In competitive overhead athletes, particularly those over 30, tenodesis has increasingly become the preferred option. Evidence comparing the two procedures suggests similar functional outcomes with trends toward more predictable recovery after tenodesis.

The appropriate surgical choice depends on your age, the specific tear pattern, associated injuries, and competitive goals — a conversation that requires individualized assessment with an experienced shoulder surgeon.

If you're a tennis player experiencing shoulder pain or loss of serve power, the specialists at Maryland Orthopedic Specialists can help. Call (301) 515-0900 or [schedule an appointment online](https://www.mdorthospecialists.com/contact).