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Sport-specific guide

Common Swimming injuries

Swimming is generally low-impact for the lower body but places significant repetitive stress on the shoulders. Swimmer's shoulder - a broad term for shoulder pain from overhead stroking - affects up to 70% of competitive swimmers at some point in their career.

Most common swimming injuries

Swimmer's Shoulder (Impingement)

Repetitive overhead arm motion in freestyle and butterfly strokes compresses soft tissue in the subacromial space, particularly with high training volumes.

Rotator Cuff Tear

Long-term cumulative damage from high-volume overhead swimming, most common in Masters swimmers and those who swam competitively for many years.

Breaststroker's Knee

The whip kick in breaststroke puts repetitive valgus stress on the medial knee. Can cause medial collateral ligament irritation or plica syndrome.

Low Back Pain

Butterfly stroke hyperextends the lumbar spine repeatedly, potentially aggravating facet joints or causing stress reactions in younger swimmers.

Injury prevention tips

  • Avoid large sudden increases in yardage, particularly in high-stress strokes like butterfly
  • Dry-land rotator cuff and scapular strengthening is essential at all levels
  • Review stroke technique with a coach - early hand entry and crossover in freestyle are common causes of impingement
  • Use pull buoys and paddles judiciously - they increase shoulder load
  • Rest symptomatic shoulders promptly rather than pushing through pain

Return to swimming timeline

Mild swimmer's shoulder often responds within 2-4 weeks of reduced yardage and physical therapy. Rotator cuff surgery followed by return to competitive swimming: 4-9 months depending on repair size. Breaststroker's knee: typically 4-8 weeks with stroke modification and therapy.

Common procedures for swimming injuries

Rotator Cuff Repair

Acromioplasty

SLAP Repair

Common questions

Can I keep swimming with shoulder impingement?
Mild impingement with minimal pain is sometimes managed with stroke modification and reduced butterfly yardage. Continuing to train through significant pain typically worsens the underlying problem. A trial of rest, rotator cuff strengthening, and technique correction is the standard first step.
Why is shoulder pain so common in swimmers?
Competitive swimmers may take 1 million or more overhead strokes per year. Even small biomechanical inefficiencies at this volume add up to significant cumulative stress. The shoulder is the most demand joint in swimming and has relatively limited blood supply in the subacromial space, making it vulnerable to impingement and tendon damage.

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