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Hip Adductor Exercises: Strengthen Your Inner Thighs and Groin

Build stronger hip adductors with these effective exercises. Prevent groin strains, improve hip stability, and address this commonly neglected muscle group.

Hip Adductor Exercises: Strengthen Your Inner Thighs and Groin

Your hip adductors—the muscles of your inner thigh—are chronically undertrained in most programs. Yet they're essential for athletic performance, hip stability, and preventing those painful groin strains that sideline athletes. Building strong adductors isn't just about aesthetics; it's about function and injury prevention.

Understanding the Hip Adductors

The hip adductors are a group of five muscles on the inner thigh:

The adductor group:

  • Adductor magnus: Largest and most powerful
  • Adductor longus: Most commonly strained
  • Adductor brevis: Deep, assists others
  • Gracilis: Long, thin, crosses knee joint
  • Pectineus: Upper portion, also hip flexor

Primary functions:

  • Hip adduction (bringing leg toward midline)
  • Hip stabilization during single-leg activities
  • Assists with hip flexion and extension (depending on position)
  • Controls frontal plane movement during gait
  • Essential for lateral cutting and direction changes

Why they matter:

  • Prevent groin strains (extremely common in sports)
  • Stabilize pelvis during running and walking
  • Essential for kicking, skating, and lateral movements
  • Balance the hip abductors (glutes)
  • Critical for athletic performance

Signs of weak adductors:

  • Groin strains or pulls
  • Inner thigh fatigue during exercise
  • Knee valgus (knee caving inward)
  • Hip instability during single-leg work
  • Weakness during lateral movements
  • Groin pain with activity

The Groin Strain Prevention Factor

Adductor strains are among the most common sports injuries:

Risk factors:

  • Weak adductors relative to abductors
  • Previous groin injury
  • Insufficient warm-up
  • Sudden direction changes
  • Inadequate adductor training

Research shows: Athletes with stronger adductors have significantly fewer groin injuries. A simple adductor strengthening program can reduce groin strain risk by over 40%.

Beginner Exercises

Side-Lying Adduction

The foundational exercise:

  1. Lie on your side
  2. Top leg crossed over, foot on floor in front
  3. Lift bottom leg toward ceiling
  4. Control the lowering
  5. 15-20 repetitions each side

Supine Adductor Squeeze

  1. Lie on back, knees bent, feet flat
  2. Place ball, pillow, or foam roller between knees
  3. Squeeze knees together
  4. Hold 5 seconds
  5. 15-20 repetitions

Standing Cable Adduction

  1. Cable at ankle height
  2. Stand sideways to machine
  3. Inside leg attached to cable
  4. Pull leg across body
  5. Control return
  6. 15 repetitions each leg

Seated Adductor Machine

If available at your gym:

  1. Sit in machine
  2. Legs in starting position (apart)
  3. Squeeze legs together
  4. Control return
  5. 12-15 repetitions

Sumo Squat (Wide Stance)

  1. Wide stance, toes pointed out
  2. Squat down, keeping knees tracking over toes
  3. Push through heels and inner thighs to stand
  4. 12-15 repetitions

Intermediate Exercises

Copenhagen Plank (Supported)

The gold standard for adductor strength:

  1. Side plank position
  2. Top foot on bench
  3. Bottom leg bent, knee on floor for support
  4. Hold position
  5. 20-30 seconds each side

Copenhagen Plank (Full)

  1. Side plank position
  2. Top foot on bench
  3. Bottom leg hangs or lifts to meet top leg
  4. Hold position
  5. 15-20 seconds each side

Lateral Lunge

  1. Stand with feet together
  2. Step wide to one side
  3. Bend that knee, keeping other leg straight
  4. Push through inner thigh to return
  5. 10-12 repetitions each side

Cossack Squat

  1. Wide stance
  2. Shift weight to one side, squatting deep
  3. Other leg stays straight, heel can lift
  4. Push through adductors to center
  5. Alternate sides
  6. 8-10 repetitions each side

Adductor Rockback

  1. Kneel with one leg out to side
  2. Rock hips back toward heel
  3. Feel stretch and engagement in adductors
  4. 12-15 repetitions each side

Sliding Disc Adduction

  1. Stand with one foot on sliding disc
  2. Slide that leg out to side
  3. Pull leg back using adductors
  4. 12-15 repetitions each side

Advanced Exercises

Copenhagen Plank with Raise

  1. Copenhagen plank position (top foot on bench)
  2. Lift and lower bottom leg
  3. 10-12 repetitions each side

Single-Leg Romanian Deadlift (Adductor Focus)

  1. Single-leg RDL position
  2. Focus on controlling hip and keeping it square
  3. Adductors stabilize throughout
  4. 10 repetitions each side

Skater Hops

  1. Hop laterally onto one leg
  2. Land with control
  3. Hop to other side
  4. Adductors work on landing
  5. 10-15 hops each side

Adductor Slide Board

If you have access:

  1. Stand on slide board
  2. Push one leg out
  3. Pull back using adductors
  4. 12-15 repetitions each side

Banded Copenhagen Plank

  1. Copenhagen plank position
  2. Band around feet for added resistance
  3. Hold 15-20 seconds each side

Deficit Lateral Lunge

  1. Stand on low box or step
  2. Lateral lunge to floor (increased range)
  3. Push through adductors to return
  4. 8-10 repetitions each side

Stretching the Adductors

Balance strength with flexibility:

Butterfly Stretch

  1. Sit with soles of feet together
  2. Gently press knees toward floor
  3. Keep spine tall
  4. Hold 30-60 seconds

Side-Lying Adductor Stretch

  1. Lie on back
  2. One leg out to side, supported by hand or strap
  3. Let gravity stretch inner thigh
  4. Hold 30 seconds each side

Frog Stretch

  1. On hands and knees
  2. Spread knees wide, feet turned out
  3. Rock hips back
  4. Feel stretch in groin
  5. Hold 30-60 seconds

Standing Adductor Stretch

  1. Wide stance
  2. Bend one knee, shift weight to that side
  3. Keep other leg straight
  4. Feel stretch in straight leg's inner thigh
  5. Hold 30 seconds each side

90/90 Hip Stretch

  1. Sit with one leg in front (90° bend), one to side (90° bend)
  2. Lean toward front leg
  3. Feel stretch in back leg's adductors
  4. Hold 30 seconds each position

Sample Programs

Groin Injury Prevention (Weeks 1-4)

3-4x per week:

  1. Supine adductor squeeze: 3 × 15
  2. Side-lying adduction: 3 × 15 each side
  3. Sumo squat: 3 × 12
  4. Copenhagen plank (supported): 3 × 15 seconds each side
  5. Butterfly stretch: 2 × 30 seconds

Building Strength (Weeks 5-8)

3x per week:

  1. Copenhagen plank (full): 3 × 20 seconds each side
  2. Lateral lunge: 3 × 10 each side
  3. Standing cable adduction: 3 × 12 each side
  4. Cossack squat: 2 × 8 each side
  5. Frog stretch: 2 × 30 seconds

Athletic Performance (Weeks 9+)

2-3x per week:

  1. Copenhagen plank with raise: 3 × 10 each side
  2. Skater hops: 3 × 10 each side
  3. Deficit lateral lunge: 3 × 8 each side
  4. Sliding disc adduction: 2 × 12 each side
  5. Single-leg RDL: 2 × 10 each side

Soccer/Hockey/Sports Maintenance

2-3x per week:

  1. Copenhagen plank: 2 × 20 seconds each side
  2. Lateral lunge: 2 × 10 each side
  3. Adductor squeeze: 2 × 15
  4. Sumo squat: 2 × 12
  5. Stretching: 2 minutes

Integration with Hip Training

Adductors work with the hip system:

Balance adductors with abductors:

  • Train both in same session
  • Example: Lateral band walks (abductors) + Copenhagen plank (adductors)

Complete hip session:

  1. Hip abduction work: Side-lying abduction, band walks
  2. Hip adduction work: Copenhagen plank, lateral lunges
  3. Hip extension: Bridges, RDLs
  4. Hip flexion: Leg raises
  5. Rotation: Clamshells, internal/external rotation

Common Mistakes

Neglecting Adductors Entirely

Most programs focus on abductors (glutes) and ignore adductors. Train both.

Using Only Machine

The adductor machine is fine, but functional exercises (Copenhagen plank, lateral lunges) build more usable strength.

Going Too Heavy Too Fast

Adductors are prone to strains. Build strength gradually with controlled movements.

Skipping Copenhagen Plank

Research shows Copenhagen plank is one of the most effective adductor exercises. Don't skip it.

Ignoring Flexibility

Tight adductors limit hip mobility. Include stretching in your routine.

When to Seek Help

See a professional if:

  • Sharp groin pain during exercise
  • Pain with walking or daily activities
  • Swelling or bruising in groin area
  • Significant weakness
  • Pain that doesn't improve with rest
  • Popping or snapping with pain
  • History of hip problems

The Bottom Line

Your hip adductors are essential for athletic performance and injury prevention—yet they're probably undertrained. The keys to building strong adductors:

  1. Copenhagen plank is king - Research-backed and highly effective
  2. Balance with abductors - Train both sides of the hip
  3. Progress gradually - Adductors strain easily
  4. Include functional movements - Lateral lunges, Cossack squats
  5. Maintain flexibility - Tight adductors cause problems too
  6. Be consistent - Regular training prevents groin strains
  7. Don't ignore groin pain - Early intervention matters

If you play sports with cutting, kicking, or lateral movement, adductor training isn't optional—it's essential for staying healthy. Start with Copenhagen planks and lateral lunges today.

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