Foundational Rehab
← Back to Blog
Injury2026-03-06•6 min read

Ankle Impingement: Why Your Ankle Pinches and How to Fix It

What Is Ankle Impingement?

Ankle impingement is a pinching sensation in the ankle joint. Soft tissue or bone gets compressed between the ankle bones during certain movements, causing pain and limited motion.

There are two types: anterior (front) and posterior (back) impingement.

Anterior Ankle Impingement

What Gets Pinched

  • Soft tissue (synovium, scar tissue)
  • Bone spurs on tibia or talus
  • Joint capsule

    • When It Happens

  • Deep dorsiflexion (bringing toes toward shin)
  • Deep squats
  • Going downstairs
  • Uphill walking
  • Landing from jumps

    • Who Gets It

  • Athletes (especially soccer, basketball, dance)
  • People with history of ankle sprains
  • Squatters and CrossFit athletes
  • After ankle injuries

    • Symptoms

  • Pain at front of ankle
  • Pinching with deep ankle bend
  • Limited dorsiflexion
  • Swelling at front of ankle
  • May feel like ankle "blocks"

    • Posterior Ankle Impingement

    What Gets Pinched

  • Os trigonum (extra bone behind ankle, present in 10-25% of people)
  • Soft tissue behind ankle
  • FHL tendon (flexor hallucis longus)

    • When It Happens

  • Pointing toes (plantarflexion)
  • Going en pointe (ballet)
  • Kicking (soccer)
  • Pushing off in sprints

    • Who Gets It

  • Ballet dancers (classic cause)
  • Soccer players
  • Gymnasts
  • Swimmers (flutter kick)

    • Symptoms

  • Pain at back of ankle
  • Worse with pointing toes
  • Deep ache behind ankle
  • May have clicking

    • Causes

    Anterior Impingement

    Bone spurs:

  • Form after repeated microtrauma
  • "Footballer's ankle"
  • Block normal motion

    • Soft tissue scarring:

  • After ankle sprains
  • Synovial thickening
  • Scar tissue fills space

    • Posterior Impingement

    Os trigonum:

  • Extra bone present from birth
  • Becomes problematic with repetitive plantarflexion

    • Soft tissue:

  • Capsule thickening
  • Synovitis

    • Diagnosis

    Physical Exam

    Anterior:

  • Pain with forced dorsiflexion
  • Tenderness at anterior joint line

    • Posterior:

  • Pain with forced plantarflexion
  • Tenderness behind ankle

    • Imaging

    X-rays:

  • Show bone spurs, os trigonum
  • Standing and lateral views

    • MRI:

  • Evaluates soft tissue
  • Shows inflammation, scarring
  • Identifies os trigonum

    • CT:

  • Best for bone detail
  • Surgical planning

    • Treatment

    Conservative Treatment

    Activity modification:

  • Avoid aggravating movements temporarily
  • Modify technique if possible

    • Heel lifts (anterior):

  • Reduce dorsiflexion demand
  • Temporary measure

    • Physical therapy:

    For anterior impingement:

  • Improve ankle mobility at surrounding joints
  • Strengthen ankle stabilizers
  • Manual mobilization
  • Sometimes, accepting less dorsiflexion ROM

    • For posterior impingement:

  • Avoid full plantarflexion initially
  • Strengthen surrounding muscles
  • Address contributing factors

    • Manual Therapy

    Joint mobilization:

  • Improve accessory motions
  • Create space in joint

    • Soft tissue work:

  • Address scar tissue
  • Reduce soft tissue restrictions

    • Exercises

    Ankle mobility:

  • Banded ankle distractions
  • Weight-bearing ankle rocks
  • Wall ankle stretches (anterior)

    • Strengthening:

  • Calf raises (both directions)
  • Ankle inversions/eversions
  • Single-leg balance

    • Injections

    Corticosteroid:

  • Reduces inflammation
  • Diagnostic and therapeutic
  • May provide lasting relief for soft tissue impingement

    • Surgery

    When Indicated

  • Failed 3-6 months conservative treatment
  • Significant functional limitation
  • Large bone spurs
  • Os trigonum causing persistent symptoms

    • Options

    Anterior debridement:

  • Arthroscopic removal of bone spurs and scar tissue
  • Good outcomes
  • Return to sport 6-12 weeks

    • Posterior excision:

  • Removal of os trigonum
  • Debridement of soft tissue
  • Arthroscopic or open
  • Recovery similar

    • Outcomes

  • Generally excellent for appropriate cases
  • Most athletes return to full activity
  • Recurrence possible but uncommon

    • For Specific Populations

    Ballet Dancers (Posterior)

  • En pointe work may need modification during treatment
  • Focus on strength and technique
  • May need surgical excision if os trigonum problematic

    • Squatters (Anterior)

  • Heel lifts or squat shoes can help
  • Work on hip mobility to reduce ankle demand
  • Consider stance modifications

    • Soccer Players

  • Both types common
  • Technique modification for kicking
  • Often need surgical clearance eventually

    • Prevention

  • Proper rehabilitation after ankle sprains
  • Maintain ankle mobility
  • Address swelling promptly
  • Avoid repetitive extremes of motion when symptomatic

    • Ankle impingement is frustrating because it limits basic movements. Conservative treatment works for many, especially soft tissue cases. Bone spurs and os trigonum often need surgical removal if they're truly causing the problem—and surgery outcomes are generally very good.

    Ready to Start Your Recovery?

    Get personalized rehab programs powered by AI guidance and evidence-based protocols.

    Try the App Free