Written and clinically reviewed by Jeremy Swisher, MD
Acute injuries
When one moment changes the plan
A collision, awkward landing, rapid cut, fall, or sudden acceleration can injure a ligament, muscle, tendon, joint, or bone. The early priority is to identify what is damaged, protect what needs protection, and preserve safe function.
Details such as the mechanism, a pop or shift, immediate swelling, bruising, inability to continue, and ability to bear weight help guide the evaluation. A sprain stretches or tears a ligament; a strain involves muscle or tendon. Fractures, dislocations, tendon ruptures, cartilage injuries, and concussion can initially overlap with a “simple” sprain or strain, so the diagnosis should not be based on the label alone.
Sprains and instability
Ankle, knee, shoulder, finger, and other ligament injuries vary from mild to complete. Swelling, stability, sport demands, and associated injuries influence bracing, imaging, rehabilitation, and referral.
Muscle and tendon injuries
Strains can affect the hamstring, calf, quadriceps, groin, shoulder, and other regions. The location and degree of weakness matter, particularly when a significant tear or tendon rupture is possible.
Fractures and dislocations
Some injuries require urgent reduction, immobilization, or surgical input. Others can be treated non-operatively with protection and a staged return. Timely diagnosis is essential.
Overuse conditions
Pain may develop without one event when training, competition, recovery, growth, or technique changes faster than current tissue capacity. Tendinopathy and bone stress are common examples.
Bone stress injuries
Progressive bone pain should not be trained through blindly
Bone stress injuries develop when repeated load exceeds the bone’s ability to adapt. They exist on a spectrum from an early stress reaction to a stress fracture. Runners and jumping athletes may notice focal pain that begins during activity, appears earlier over time, and can eventually persist with walking or at rest. The foot, lower leg, thigh, hip, and pelvis can be affected.
Risk reflects more than mileage. Rapid workload changes, limited recovery, low energy availability, menstrual or hormonal factors, nutrition, bone health, prior stress injury, biomechanics, and some medications or medical conditions may contribute. Evaluation should consider both the painful site and why the bone may not be keeping pace with demand.
Early X-rays can be normal. MRI or other imaging may be appropriate when suspicion remains or the result would change protection and return planning. Some anatomic locations carry greater risk and require more cautious management or specialist consultation. Return is staged only after the diagnosis, site, symptom response, and contributing factors are understood; there is no single timeline that applies to every bone stress injury.
Do not wait on worsening focal bone pain
Stop the provoking activity and seek evaluation when localized bone pain is worsening, begins earlier in workouts, causes a limp, or occurs with normal walking or at rest. Inability to bear weight or severe pain after trauma warrants urgent assessment.
Evaluation
Connect the injury to the athlete’s actual demands
A useful evaluation includes how the problem started, current symptoms, prior injuries, training changes, competition schedule, position or discipline, and what “return” needs to mean. The examination may assess tenderness, swelling, range of motion, strength, stability, balance, gait, and progressively more demanding movement when safe.
X-ray is often the first study when fracture or alignment is a concern. Ultrasound can assess selected tendons, muscles, ligaments, bursae, and fluid in real time. MRI may be useful for internal joint injuries, bone stress, cartilage, or deeper soft tissues. Imaging is selected to answer a clinical question; it is not automatically required and may be scheduled separately from the first visit.
A stepwise non-operative plan
Protect the injury appropriately
Activity modification, a brace, splint, crutches, or temporary immobilization may be used when indicated. Too little protection can delay healing; too much can create avoidable stiffness and deconditioning.
Restore foundational function
Control swelling and pain while rebuilding motion, strength, balance, and confidence. Physical therapy can translate the diagnosis into measurable progression.
Add sport-specific demand
Running, jumping, cutting, throwing, contact, fatigue, and workload are introduced in a sequence matched to the injury and sport.
Reassess before full return
Symptoms, objective function, exposure to practice, and reinjury risk are reviewed together rather than relying on time alone.
Once the diagnosis and phase of recovery are clear, a structured home program can support rehabilitation. Relevant options include lateral ankle sprain exercises, patellofemoral pain exercises, patellar tendinopathy exercises for athletes, and Achilles tendinopathy exercises.
Medication, taping, and bracing may help selected athletes. Ultrasound-guided procedures are appropriate only for certain diagnoses and generally serve as an adjunct to rehabilitation, not a replacement for it. They do not guarantee recovery, and a consultation does not imply that a procedure will be performed that day.
Return to sport
Readiness is a decision, not a date on the calendar
Return to sport is a continuum. An athlete may first return to rehabilitation training, then modified practice, full practice, limited competition, and finally unrestricted participation. The sequence varies with the injury, treatment, sport, position, season, age, and acceptable level of risk.
Useful criteria can include pain and swelling response, range of motion, strength, power, balance, change of direction, sport-specific skills, conditioning, confidence, and tolerance of repeated workload. No single test can guarantee that an injury will not recur. Decisions are strongest when the athlete, clinician, physical therapist, athletic trainer, and the coach or surgeon, when relevant, share clear information.
Concussion follows a separate safety pathway
An athlete with a suspected concussion should be removed from play immediately and should not return the same day. Evaluation by a qualified healthcare professional and a supervised, stepwise return-to-sport process are important. Symptoms can evolve, so continued observation and clear emergency instructions matter.
Prepare for your visit
Bring the details that explain the injury and the goal
- Bring: Prior imaging reports and access to the actual images, if available
- Bring: Athletic trainer or physical therapy notes
- Bring: A current medication, supplement, and allergy list
- Bring: A video of the injury if one exists and can be shared appropriately
- Describe: The mechanism, pop, swelling, bruising, and ability to continue
- Describe: Recent changes in practice, competition, running, lifting, or recovery
- Consider: The next level of activity you need to regain
- Expect: A diagnosis and plan that may evolve with response and further testing
When a sports injury needs urgent or emergency care
Seek emergency care for an open fracture, visible deformity, uncontrolled bleeding, loss of consciousness, a limb that becomes numb, cool, or pale, or another medical emergency. Prompt assessment is also important when an athlete cannot bear weight after significant trauma or has rapidly worsening pain and swelling.
After a possible head injury, call 911 for danger signs such as a worsening headache, repeated vomiting, seizure, increasing confusion or agitation, unusual drowsiness or inability to wake, slurred speech, weakness or numbness, unequal pupils, or loss of consciousness. When in doubt, keep the athlete out and seek qualified evaluation.
For PTs, athletic trainers, and referring clinicians
Close the loop from diagnosis to sport exposure
Referral can support diagnostic clarification, imaging decisions, concern for bone stress or a substantial tear, persistent swelling or instability, and return-to-sport planning. Please share the mechanism, relevant examination findings, rehabilitation response, current restrictions, and the specific clinical question. Collaborative plans can align protection, objective testing, practice progression, and follow-up.
UCLA resources for healthcare professionalsCommon questions
Sports injury FAQs
Should I use ice, heat, or anti-inflammatory medication?
These may help symptoms in some situations, but they do not replace diagnosis or rehabilitation. The best choice depends on the injury, timing, medical history, and other medications. Ask a clinician when you are uncertain, especially before using medication regularly.
Do I need an MRI after a sports injury?
Not routinely. Many injuries can be diagnosed from the history, examination, and sometimes X-ray. MRI is useful when it can answer a specific question that may change protection, treatment, or referral.
Can I play if the pain is mild?
Pain intensity alone does not define safety. The diagnosis, stability, strength, movement quality, symptom response, and consequences of worsening the injury all matter. Suspected concussion is different: the athlete should be removed immediately and not return the same day.
How long before I can return?
There is no universal answer. Tissue healing, symptoms, objective function, sport demands, and tolerance of a graded workload guide progression. A fixed timeline without those details can be misleading.
Authoritative references
Sources and further reading
- American Academy of Orthopaedic Surgeons: Sprains, Strains and Other Soft-Tissue Injuries
- Sports Medicine Today: What Is a Sports Medicine Physician?
- CDC HEADS UP: Responding to a Sports-related Concussion
- Team Physician Consensus: Return to Sport and Return to Learn
- Team Physician Consensus Statement: Initial Assessment and Management of Select Musculoskeletal Injuries
- UCLA Health: Jeremy Swisher, MD
This page provides general education and cannot diagnose a condition or replace an individual medical evaluation.