A shoulder that pops out during a tackle, fall, or awkward reach needs more than a quick return to the game. Putting it back into place treats the dislocation, but the injury can leave behind damage that changes how stable the shoulder is.
For teenagers and young adults, especially contact-sport athletes, the main concern is another dislocation. For older athletes, restoring motion and strength is often the priority—but a rotator cuff injury must not be missed. [1, 4, 6, 7]
What happens when the shoulder dislocates?
The shoulder is a ball-and-socket joint. The ball is the top of the upper arm bone, or humeral head. The shallow socket, called the glenoid, is part of the shoulder blade. A rim of firm tissue called the labrum, along with the joint capsule, ligaments, and surrounding muscles, helps keep the ball centered.
Most traumatic shoulder dislocations go forward, or anteriorly. This article focuses on that injury; backward dislocations and shoulders that slip in multiple directions need a different evaluation. [1, 2]
A Bankart lesion: the stabilizing rim tears
As the ball moves out of the socket, it can pull the labrum away from the front and lower edge of the glenoid—the anterior-inferior labrum. This is called a Bankart lesion. The attached capsule and ligaments may also stretch or tear, leaving the shoulder less secure.
Think of the labrum as part of the socket’s retaining bumper. Replacing the ball in the socket does not necessarily restore that bumper. Sometimes a piece of the socket’s bone breaks off with it; that is a bony Bankart lesion, rather than a soft-tissue tear alone. [1, 2]
A Hill-Sachs lesion: a dent in the ball
During an anterior dislocation, the back-outside surface of the humeral head can strike the front edge of the socket. That impact can leave an indentation in the bone called a Hill-Sachs lesion.
A small indentation may not require a separate procedure. A larger or unfavorably positioned defect can catch against the socket rim as the arm moves, making another dislocation more likely. Its size and position matter, especially when the socket has also lost bone. [8, 9]
Why is recurrence a bigger concern in young athletes?
Teenagers and young adults have a higher risk of the shoulder slipping out again after a first traumatic dislocation. Returning to football, rugby, wrestling, lacrosse, or other contact and collision sports repeatedly challenges the injured stabilizing tissues.
The risk varies with age, sport, ligament looseness, the extent of damage, and previous instability episodes. Published adolescent series often report recurrence in more than half of patients treated without surgery, with some reporting substantially higher rates. Those figures describe study groups, not a prediction for every athlete. [4]
Another episode may be a full dislocation or a subluxation, when the ball slips partly out and back in. Repeated episodes can enlarge bone defects and make later treatment more complex. Persistent slipping, apprehension with the arm raised, or a sense that the shoulder cannot be trusted deserves reassessment. [2, 4]
How can arthroscopic surgery reduce the risk?
An arthroscopic Bankart repair uses a small camera and instruments through small incisions. The surgeon reattaches the torn labrum to the socket with suture anchors and, when appropriate, tightens stretched capsular tissue. The aim is to restore the shoulder’s soft-tissue restraint.
Research supports a discussion of early stabilization after a first dislocation in young athletes at high risk of recurrence. It does not mean that every first dislocation requires surgery. Your sport, imaging, examination, goals, and willingness to complete rehabilitation all matter. [4, 5]
What does the research show? A 2023 review included 12 comparative studies with 786 predominantly young, active patients after a first traumatic anterior dislocation. In the studies reporting repeat dislocation, pooled rates were 7.5% after arthroscopic Bankart repair and 53% after nonsurgical treatment.
These are study averages across different follow-up periods and patients—not a promised result or a universal recurrence rate. Teenagers and contact athletes can still have substantial recurrence risk after surgery. [3, 4]
A labral repair alone is not the right operation for every shoulder. An important Hill-Sachs defect may need an additional procedure such as remplissage, which uses nearby tendon and capsule to help keep the indentation from engaging the socket rim. Significant socket bone loss may require a bone-restoring procedure instead of, or alongside, soft-tissue repair. [8, 9]
Surgery reduces risk but cannot eliminate it. Stiffness, recurrent instability, and other complications are possible. Recovery and rehabilitation take months; the best plan balances stability with the motion your sport requires. [1, 4, 8]
What is different for older athletes?
Athletes in their 40s, 50s, and beyond generally have a lower risk of repeated dislocation than teenagers and young adults. Many can recover useful shoulder function without stabilization surgery through an individualized physical therapy program that restores motion, rotator cuff strength, and shoulder-blade control. [1, 6, 7]
Lower recurrence risk does not mean a minor injury. Rotator cuff tears, fractures, and nerve injuries become important concerns after a dislocation, particularly with increasing age. Persistent weakness, difficulty lifting the arm, or pain that is not improving should prompt reassessment. Depending on the findings, ultrasound or MRI may be needed; a significant traumatic cuff tear may benefit from repair. [6, 7]
Everyone should have an orthopedic examination after a dislocation
Arrange a prompt orthopedic evaluation after every shoulder dislocation—including a first episode, one that went back in by itself, or one already reduced in an emergency department. This recommendation applies to young and older athletes alike.
The examination checks stability, strength, motion, nerve function, and circulation. X-rays assess alignment and fractures; MRI can evaluate the labrum and rotator cuff, while CT may help measure bone loss. Not everyone needs every test.
Bring emergency-department records, prior images, and a description of how the injury happened. Mention earlier slipping episodes and the sport you want to return to. For an athlete under 18, involve a parent or legal guardian in the treatment discussion. [1, 2]
What should you do before returning to sport?
If the shoulder is still out of place, seek emergency care. Do not try to put it back yourself or have a teammate do it. A new cold or pale hand, worsening numbness, or loss of hand movement needs emergency assessment.
After reduction, follow the treating clinician’s sling and activity instructions. Avoid contact play, heavy lifting, and positions that provoke instability until assessed. PT can rebuild strength and control, but it cannot reliably replace missing bone or restore every detached labrum.
Return to sport should depend on recovery of motion, strength, control, confidence, and an individualized clearance decision—not simply less pain or the arrival of the next game. [1, 2, 8]
Get a plan for your shoulder—and your sport.
Rajeev Pandarinath, MD evaluates shoulder dislocations and instability at OrthoBethesda in Bethesda, serving athletes across the Washington, DC area. An examination can help you understand the injury, discuss PT and surgical options, and plan your next step.
Explore shoulder instability care · Request an evaluation through the current scheduler · Call 301-530-1010
A scheduler request is not a confirmed appointment. For a shoulder that is currently dislocated or new circulation or nerve symptoms, seek emergency care instead of waiting for a routine visit.
This article is educational and does not diagnose an injury or provide clearance for sport.
Sources and image credits
- AAOS OrthoInfo: Shoulder Dislocation.
- AAOS OrthoInfo: Chronic Shoulder Instability.
- Hu et al. Arthroscopic Bankart repair versus conservative treatment: systematic review and meta-analysis. European Journal of Medical Research, 2023.
- Kay et al. Pediatric and adolescent shoulder instability. Current Reviews in Musculoskeletal Medicine, 2023.
- Jin et al. First-time anterior dislocation treatments in adolescents and adults under 40: network meta-analysis. Arthroscopy, 2025.
- Smartt et al. Natural history of first-time anterior dislocation in patients older than 50. Orthopaedic Journal of Sports Medicine, 2022.
- Evaluation and management of rotator cuff tears following shoulder dislocation. Current Reviews in Musculoskeletal Medicine, 2025.
- Schulz et al. Approach to treating patients after first-time anterior shoulder dislocation. Current Reviews in Musculoskeletal Medicine, 2025.
- Evaluation and treatment of failed shoulder instability procedures. Journal of Orthopaedics and Traumatology, 2016.
Images: Bankart arthroscopy, Rwillia4 (public domain); dislocation X-rays, Mikael Häggström, MD (CC0 1.0). Images reproduced without alteration. Sources checked October 14, 2026.