SHOULDER · TREATMENT DECISIONS
SLAP Tears
Understanding shoulder labral injuries and choosing between rehabilitation, labral repair and biceps tenodesis.
What Is a SLAP Tear?
SLAP stands for superior labrum anterior to posterior. It describes an injury to the upper portion of the labrum—the cartilage rim around the shoulder socket—where the long head of the biceps tendon attaches. Some injuries involve fraying; others detach the biceps anchor from the socket. The tear pattern and whether it explains your symptoms help guide treatment.[1]
Typical Mechanisms Of Injury
- Repetitive overhead activity: throwing, serving and overhead lifting can place repeated stress on the biceps–labrum attachment.
- A fall onto an outstretched arm: force transmitted through the arm can injure the superior labrum.
- A sudden pull or heavy load: traction on the arm or abruptly catching a heavy object can stress the biceps anchor.
- Shoulder trauma: a dislocation or another forceful injury may damage the labrum along with other structures.
The superior labrum can also fray with age, often after age 30–40. A tear reported on MRI does not automatically mean that it is causing pain or needs surgery.[1]
Symptoms And Examination Findings
Possible symptoms include deep shoulder pain, painful clicking or catching, pain with overhead use, and reduced throwing velocity or endurance. These findings can overlap with rotator cuff problems, biceps tendon pain and instability.
The examination assesses shoulder motion, rotator cuff strength, biceps tenderness, stability and shoulder blade control. Maneuvers such as the O’Brien active compression test, biceps load tests and compression–rotation testing may reproduce symptoms. No single test reliably confirms a SLAP tear, and clicking or tenderness alone is not diagnostic. Throwers may also have limited internal rotation or posterior shoulder tightness.
X-rays assess bone and other causes of pain. MRI, sometimes with an MR arthrogram, may help evaluate the labrum. Imaging must be interpreted alongside the history and examination because labral changes can be present without symptoms.[1][2]
Nonsurgical Management
Physical Therapy And Activity Modification
Most patients start with nonsurgical care. Temporarily reducing painful throwing or lifting allows rehabilitation to focus on comfortable motion, posterior shoulder flexibility, rotator cuff strength and shoulder blade control. For athletes, trunk and lower body mechanics and a gradual return to throwing also matter. A structured program over several months may improve symptoms even when the labrum remains abnormal on imaging.[2]
Medication And Injections
Anti-inflammatory medication may help when medically appropriate. A targeted injection of local anesthetic, sometimes with corticosteroid, may help clarify the source of pain or reduce inflammation enough to participate in therapy. Injections do not reattach a detached labrum; the potential benefit and risks depend on the diagnosis and injection location.[3]
What About PRP?
Platelet-rich plasma (PRP) uses a concentrate prepared from your own blood. Evidence specifically for treating SLAP tears is limited. It has not been reliably shown to reattach a detached biceps anchor or prevent the need for surgery. If discussed as an option, expectations, cost and uncertainty should be clear. PRP is not an established first-line treatment for SLAP tears, and research on other shoulder conditions cannot be assumed to apply to the labrum.[4]
When Is Surgery Considered?
Surgery may be considered when persistent pain or loss of function continues despite an appropriate rehabilitation program and the examination and imaging support a symptomatic tear. The two main options below are particularly relevant to an unstable tear involving the biceps anchor, often called a type II SLAP tear. Stable fraying may need neither procedure; selected tears can be treated with limited debridement.[1][5]
Labral Repair Vs. Biceps Tenodesis
| Option | What It Does | When It May Fit | Considerations |
|---|---|---|---|
| Labral Repair | Uses sutures and anchors to reattach the torn superior labrum and preserve the biceps attachment. | Selected younger patients with a traumatic, unstable tear and good tissue quality, including some high-demand overhead athletes. | The repair needs protection while healing. Stiffness, persistent pain or failure to return to the same throwing level can occur. |
| Biceps Tenodesis | Releases the long head of the biceps from the injured superior labrum and secures the tendon to the upper arm bone. | Often considered with age-related labral changes, biceps tendon symptoms, poor tissue quality or a failed prior repair. It can also suit selected younger patients. | The tendon fixation needs protection while healing. Persistent pain, stiffness, cramping or fixation failure can occur. Tenodesis does not guarantee a return to previous throwing performance. |
How Age And Activity Shape the Decision
Age is a guide, not a strict cutoff. Repair is more often considered in younger patients with a discrete traumatic tear, while tenodesis is more often considered after roughly age 35–40 when degeneration or biceps pain is present. Tissue quality, associated injuries, prior surgery and your goals can outweigh chronological age.[5]
Studies in patients younger than 40 report improvement with both operations. Some favor tenodesis for return to sport or fewer repeat operations, while other pooled studies find no statistically significant difference. Neither option is universally best for every young athlete.[6]
A competitive pitcher has different demands from a recreational lifter or someone seeking comfortable daily activity. Return to the previous level of throwing is variable after either procedure, especially for pitchers. The decision should reflect your sport, position, symptoms and expectations.[7]
Recovery And Return To Activity
Both operations require a staged rehabilitation plan. Early protection is followed by motion, strengthening and a gradual return to work or sport. Timing depends on the procedure, any additional repairs and progress in therapy. Return to overhead sport usually takes months and should be based on healing, strength, motion and sport-specific readiness.
Sources And Further Reading
- AAOS OrthoInfo: SLAP Tears
- National Athletic Trainers’ Association position statement: evaluation, management and return to play for SLAP injuries
- Clinical outcomes of nonsurgical treatment for SLAP lesions
- Platelet-rich plasma and the shoulder: indications and outcomes
- An age and activity algorithm for treatment of type II SLAP tears
- SLAP repair versus biceps tenodesis in young patients: 2022 systematic review; 2023 meta-analysis in patients younger than 40
- Return to play after SLAP repair and biceps tenodesis in overhead throwing athletes: 2025 systematic review
