PATIENT EDUCATION
Sports Injuries
Sports injuries fall into two broad groups: sudden injuries from a specific incident, and overuse injuries that build gradually. The two behave differently and are managed differently.
Returning to sport too early is one of the most common reasons an injury becomes a long-term or recurring problem.
Select the situation that most closely describes your injury.
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Sudden Twisting Injury With Rapid Swelling
What you'll notice or feel
- A specific moment of injury, usually involving a twist, pivot, or awkward landing.
- Swelling developing quickly, often within a few hours.
- Difficulty continuing to play or bear weight.
- Sometimes a sense that the joint shifted or gave way at the moment of injury.
Common causes
- A ligament tear from a twisting force, particularly at the knee or ankle.
- A tear of the cushioning cartilage within the joint.
- A joint dislocating and relocating at the moment of injury.
- A fracture occurring alongside the soft-tissue injury.
What it could be
- A ligament tear — rapid knee swelling after a twisting injury raises particular concern for a cruciate ligament injury.
- A meniscus or cartilage tear, especially if the joint catches or locks.
- A kneecap or shoulder that dislocated and returned into place.
- A fracture, particularly when significant swelling is accompanied by inability to bear weight.
Initial self-care
- Rest, ice, gentle compression and elevation during the first few days.
- Stop playing rather than trying to continue through an acutely injured joint.
- Begin gentle movement within comfort once the acute phase settles.
- Over-the-counter pain relief if needed, as per the label.
When to see a doctor urgently
- Inability to bear weight after the injury.
- Swelling that developed within a few hours.
- Visible deformity or a joint that looks out of shape.
- Numbness, tingling, or a cold or pale limb below the injury.
When to see a doctor
- A twisting injury with swelling that hasn't settled within a week or two.
- Ongoing instability, catching or giving way.
- Any uncertainty about whether it is safe to return to sport.
A Sudden Pop or Snap With Inability to Continue
What you'll notice or feel
- An audible pop, snap, or tearing sensation at the moment of injury.
- Immediate inability to continue the activity.
- Sometimes a feeling of being struck or kicked even though nothing hit you.
- A visible gap, lump, or change in the shape of a muscle in some cases.
Common causes
- A complete tendon rupture, particularly the Achilles tendon.
- A muscle tear involving the calf, hamstring or thigh.
- A ligament rupture.
- A tendon rupture involving the shoulder or upper arm.
What it could be
- An Achilles tendon rupture — often described as suddenly being kicked or hit at the back of the ankle.
- A calf, hamstring or quadriceps muscle tear.
- A ligament rupture, particularly at the knee.
- A biceps tendon rupture at the shoulder or elbow.
Initial self-care
- Stop the activity immediately — do not attempt to "run it off."
- Rest, ice, compression and elevation.
- Avoid weight-bearing if a tendon rupture is suspected and arrange prompt assessment.
- Over-the-counter pain relief if needed, as per the label.
When to see a doctor urgently
- Any audible pop or snap associated with immediate loss of function.
- Inability to push off, stand on tiptoe, or bear weight.
- A visible gap or change in muscle or tendon shape.
- Significant bruising spreading down the limb.
When to see a doctor
- Any significant pop or snap even if you can still walk or use the limb.
- Ongoing weakness after what initially appeared to be a minor muscle injury.
Pain That Builds Gradually Over Weeks
What you'll notice or feel
- Pain beginning mildly and gradually worsening over several weeks.
- Discomfort at the start of activity that may ease as you warm up, then return afterward.
- Pain beginning earlier during training or lasting longer afterward.
- A possible recent increase in training volume, intensity, or change in surface or footwear.
Common causes
- Tendon overload from increasing training faster than the tissue can adapt.
- A stress reaction or stress fracture from repetitive impact.
- Muscle imbalance or technique issues concentrating load in one area.
- Inadequate recovery between training sessions.
What it could be
- Tendinopathy involving areas such as the Achilles, patellar tendon, elbow or shoulder.
- A bone stress reaction or stress fracture.
- Muscle or fascial overload related to training.
- Referred pain originating from an adjacent joint or the spine.
Initial self-care
- Reduce training load rather than necessarily stopping all activity.
- Review recent changes in volume, intensity, surface, footwear or technique.
- Introduce gradual progressive loading once acute pain settles.
- Avoid using pain medication simply to mask symptoms and continue training.
When to see a doctor urgently
- Pain that is now present at rest or at night, particularly when focal over a bone.
- Sudden worsening of previously gradual pain.
- Pain associated with swelling, redness and warmth.
When to see a doctor
- Pain persisting beyond 4–6 weeks despite reducing load.
- Pain worsening despite activity modification.
- Pain repeatedly returning whenever full training resumes.
Recurrent Injury or Repeated Giving Way
What you'll notice or feel
- The same injury happening repeatedly, often more easily each time.
- A joint that feels unreliable on uneven ground or when changing direction.
- Loss of confidence in the limb.
- Ongoing mild swelling or aching between episodes.
Common causes
- Returning to sport before the original injury was fully rehabilitated.
- Loss of balance and joint-position sense following injury.
- Residual ligament laxity.
- Strength or flexibility deficits that were never fully addressed.
What it could be
- Chronic joint instability following incomplete rehabilitation.
- Residual ligament laxity following a previous tear.
- A cartilage injury sustained during the original injury.
- An underlying structural variation predisposing to recurrence.
Initial self-care
- Balance and proprioception exercises, including appropriate single-leg work.
- Progressive strengthening continued beyond the point where pain disappears.
- Avoid returning to competitive sport until sport-specific movements can be performed confidently.
- Bracing or taping may be useful during return-to-sport phases.
When to see a doctor urgently
- Giving way associated with a fresh injury, significant swelling, or inability to bear weight.
- A joint that locks or cannot be straightened.
When to see a doctor
- Repeated episodes of the same injury.
- Instability persisting despite several weeks of structured rehabilitation.
- Uncertainty about whether rehabilitation has been adequately completed.
Muscle Strain or Tear
What you'll notice or feel
- Sudden muscle pain during sprinting, kicking, jumping or lifting.
- Pain when stretching or contracting the affected muscle.
- Bruising developing over the following days.
- Tenderness at a specific point within the muscle.
Common causes
- A muscle being heavily loaded while lengthening.
- Fatigue or inadequate preparation for the demands of the activity.
- A previous injury to the same muscle.
- Muscle imbalance or inadequate strength.
What it could be
- A muscle strain or partial tear, commonly involving the hamstring, calf, quadriceps or groin.
- A complete muscle tear if there is a palpable gap, marked weakness and significant bruising.
- A tendon avulsion, particularly in adolescents where the growth plate may be involved.
- Referred or nerve-related pain mimicking a muscle strain.
Initial self-care
- Rest, ice, compression and elevation during the first few days.
- Begin gentle, pain-free movement rather than prolonged immobilisation.
- Introduce progressive strengthening as healing allows.
- Avoid aggressive stretching of an acutely torn muscle.
When to see a doctor urgently
- A palpable gap in the muscle or significant loss of function.
- Severe pain with rapid, extensive bruising or swelling.
- A tense, extremely painful swollen limb associated with numbness.
- In adolescents, sudden severe pain near a joint during sprinting or kicking.
When to see a doctor
- A muscle injury that is not improving over 2–3 weeks.
- Repeated strains involving the same muscle.
- Uncertainty about when it is safe to return to sport.
YOUR CONSULTATION
What to Expect at Your Visit
- The doctor will ask exactly how the injury occurred, whether you heard or felt anything at the time, whether you could continue playing, and how quickly swelling developed.
- For overuse injuries, recent changes in training load, surface, footwear and technique will be considered.
- Examination may include joint movement, swelling, tenderness, strength and stability, together with specific ligament, tendon and cartilage tests.
- Imaging depends on the suspected injury: X-rays for possible fractures, ultrasound for selected tendon and muscle injuries, and MRI for ligament, cartilage or suspected bone-stress injuries.
- Most sports injuries recover without surgery and management centres on structured rehabilitation.
- Return to sport is usually based on recovery of function rather than simply the number of weeks since injury.
* IMPORTANT: A Note Before You Go
Pain settling does not necessarily mean that an injured ligament, tendon or muscle has fully recovered. Strength, balance, movement control and confidence may take longer to return.
Completing rehabilitation and using functional criteria to decide when to return to sport can substantially reduce the risk of recurrent injury.