Reverse Shoulder Replacement Exercises: Post-Surgery Recovery Guide

Reverse total shoulder arthroplasty (RTSA) is a specialized shoulder replacement where the ball and socket are switched—the ball goes on the shoulder blade and the socket goes on the arm bone. This design allows the deltoid muscle to lift the arm even when the rotator cuff is severely damaged or absent.

Understanding Reverse Shoulder Replacement

How It's Different

Traditional shoulder replacement:

• Ball on humerus, socket on scapula (normal anatomy)
• Requires functioning rotator cuff
• Used for arthritis with intact rotator cuff

Reverse shoulder replacement:

• Ball on scapula (glenosphere), socket on humerus
• Shifts center of rotation
• Allows deltoid to compensate for rotator cuff
• Used when rotator cuff is torn or absent

Who Gets RTSA

• Rotator cuff tear arthropathy
• Massive irreparable rotator cuff tears
• Failed previous shoulder replacement
• Complex fractures in elderly patients
• Severe arthritis with cuff deficiency

Key Rehabilitation Differences

Because the rotator cuff is typically non-functional:

• Deltoid is the primary mover—must be protected and strengthened
• Different precautions than traditional replacement
• No internal rotation strengthening (subscapularis often not repaired)
• Unique dislocation precautions

Precautions: Protecting Your New Shoulder

Dislocation Precautions (Critical First 6-12 Weeks)

AVOID:

• Arm behind back (extension + internal rotation)
• Reaching behind you
• Pushing up from armrests with arm behind body
• Combined adduction + internal rotation + extension

SAFE:

• Arm in front of body
• External rotation
• Forward flexion

Why These Precautions

The reverse design is most stable with the arm in front of the body. Positions with the arm behind can cause dislocation, especially before tissues heal.

Phase 1: Protection Phase (Weeks 0-6)

Sling Use

• Wear sling 4-6 weeks (surgeon specific)
• Remove only for exercises and hygiene
• Sleep in sling

Goals:

• Protect healing tissues
• Prevent dislocation
• Begin gentle passive motion
• Maintain elbow/hand function

1. Pendulum Exercises

How to do it:

1. Remove sling, lean forward
2. Support with good arm on table
3. Let operated arm hang completely relaxed
4. Gently sway body to create arm circles
5. Keep circles small (8-12 inches)
6. 2-3 minutes, 4-5 times daily

Key: Arm is completely passive.

2. Elbow, Wrist, and Hand Exercises

How to do it:

• Bend and straighten elbow fully
• Wrist circles and movements
• Grip exercises with ball or putty
• Throughout the day
• Prevents stiffness

3. Passive Forward Flexion (Supine)

How to do it:

1. Lie on back
2. Use good arm or wand to lift operated arm forward
3. Keep arm in front of body (not out to side)
4. Lift toward ceiling/overhead as tolerated
5. 10-15 repetitions
6. Stay within surgeon's limits

4. Passive External Rotation (Supine)

How to do it:

1. Lie on back, elbow at side bent 90°
2. Use wand to rotate forearm outward
3. Let arm rotate externally
4. Usually to 30-40° initially
5. 10-15 repetitions

Note: External rotation is typically safe and encouraged.

5. Scapular Squeezes

How to do it:

1. Sitting or standing
2. Gently squeeze shoulder blades together
3. Hold 5 seconds
4. Relax
5. 15-20 repetitions
6. Don't shrug shoulders

What to AVOID Phase 1:

• Any active shoulder motion
• Arm behind back (CRITICAL)
• Internal rotation
• Lifting anything
• Pushing up from chair with operated arm

Phase 2: Early Motion (Weeks 6-12)

Sling Use

• Weaned off sling (typically week 4-6)
• May use in crowds for protection

Goals:

• Progress passive range of motion
• Begin active-assisted motion
• Start deltoid activation

6. Active-Assisted Forward Flexion

How to do it:

1. Hold wand with both hands
2. Use good arm to lift both arms forward
3. Progress toward overhead
4. 15-20 repetitions
5. Arm stays in FRONT of body

7. Active-Assisted External Rotation

How to do it:

1. Hold wand, elbows at sides
2. Use good arm to rotate operated arm outward
3. Progress range gradually
4. 15-20 repetitions

8. Table Slides

How to do it:

1. Sit at table, forearm on towel
2. Slide arm forward
3. Shoulder flexes as arm slides
4. Keep arm in front of body
5. 15-20 repetitions

9. Supine Active Flexion (Gravity-Eliminated)

First active deltoid work.

How to do it:

1. Lie on back
2. Lift arm toward ceiling using deltoid
3. May need slight assistance initially
4. 10-15 repetitions
5. Progress toward overhead

10. Isometric Deltoid Activation

How to do it:

1. Elbow bent, arm supported
2. Gently press outward into pillow or wall
3. Hold 5 seconds at 25% effort
4. 10-15 repetitions
5. Activates lateral deltoid

Phase 3: Active Motion (Weeks 12-16)

Goals:

• Full active range of motion
• Progressive deltoid strengthening
• Improve functional use

11. Active Forward Flexion (Standing)

How to do it:

1. Standing, arm at side
2. Lift arm forward and up using deltoid
3. Control descent
4. 15-20 repetitions
5. Start with no weight

12. Active Abduction (Standing)

How to do it:

1. Standing, arm at side
2. Lift arm out to side (in scapular plane)
3. Deltoid does the work
4. 15-20 repetitions
5. May need to assist initially

13. Active External Rotation

How to do it:

1. Elbow at side, bent 90°
2. Rotate forearm outward
3. 15-20 repetitions
4. Usually achievable without rotator cuff

14. Prone Row (Modified)

Posterior deltoid and scapular muscles.

How to do it:

1. Lie face down, arm hanging
2. Pull elbow toward ceiling
3. Squeeze shoulder blade
4. Lower slowly
5. 15 repetitions
6. Start without weight

15. Wall Slides

How to do it:

1. Stand facing wall
2. Forearms on wall
3. Slide arms up wall
4. Return slowly
5. 10-15 repetitions
6. Deltoid active exercise

Phase 4: Strengthening (Weeks 16-24)

Goals:

• Progressive resistance training
• Build deltoid strength and endurance
• Restore functional activities

16. Forward Flexion with Weight

How to do it:

1. Stand holding light dumbbell (1-2 lbs)
2. Lift arm forward to shoulder height
3. Lower slowly
4. 3 sets x 12-15 repetitions
5. Progress weight gradually

17. Lateral Raise (Scaption)

How to do it:

1. Hold light weight
2. Lift in scapular plane (30-45° from front)
3. Stop at shoulder height
4. 3 sets x 12-15 repetitions
5. Key deltoid exercise

18. Seated Row (Band/Cable)

How to do it:

1. Pull toward body
2. Squeeze shoulder blades
3. Keep elbows at sides
4. 3 sets x 12-15 repetitions

19. Shoulder Shrugs

Upper trapezius strengthening.

How to do it:

1. Hold dumbbells at sides
2. Shrug shoulders toward ears
3. Hold 2 seconds
4. Lower slowly
5. 3 sets x 15 repetitions

20. Wall Push-Ups

Closed-chain deltoid work.

How to do it:

1. Hands on wall at shoulder height
2. Lower chest to wall
3. Push back
4. 3 sets x 12-15 repetitions
5. Progress to incline push-ups

Exercises to AVOID or MODIFY

Generally Avoid Long-Term:

• Heavy internal rotation resistance
• Behind-the-neck exercises
• Dips
• Bench press with excessive range
• Lat pulldowns behind neck

Modify:

• Reaching behind back: Use other arm
• Dressing: Button-up shirts easier
• Car: Reach across body, not behind
• Sleeping: Back or unoperated side

Functional Training

Daily Activities:

• Practice dressing techniques
• Kitchen tasks (reaching, lifting)
• Grooming (may need adaptive equipment)
• Driving (when cleared, typically 6-8 weeks)

What to Expect:

• Good overhead function typically achieved
• Internal rotation often limited (may not reach behind back)
• Strength adequate for daily activities
• May not return to heavy overhead sports

Timeline Summary

| Phase | Timeframe | Focus | |-------|-----------|-------| | Protection | Weeks 0-6 | Passive motion, precautions | | Early Motion | Weeks 6-12 | Active-assisted, deltoid activation | | Active Motion | Weeks 12-16 | Active ROM, light strengthening | | Strengthening | Weeks 16-24 | Progressive resistance | | Return to Activity | 6+ months | Functional and recreational |

Expected Outcomes

Typical Results:

• Pain relief: Excellent
• Forward flexion: 120-140°
• External rotation: 30-50°
• Internal rotation: Limited (often can't reach behind back)
• Patient satisfaction: 85-95%

Realistic Expectations:

• Daily activities: Most achieved
• Recreational activities: Many possible
• Heavy lifting: Usually limited
• Overhead sports: Case-by-case

Warning Signs

Contact your surgeon if:

• Sudden increase in pain
• Feeling of instability or "giving way"
• Loss of motion that was achieved
• Signs of infection (fever, redness, drainage)
• Numbness or tingling in hand

Key Takeaways

1. Deltoid is your workhorse — Protect and strengthen it
2. Avoid arm behind back — Dislocation risk position
3. External rotation is safe — Internal rotation is restricted
4. Unique rehab protocol — Different from traditional replacement
5. Excellent pain relief — Main goal typically achieved
6. Some limitations permanent — Internal rotation often limited

Reverse shoulder replacement is a remarkable procedure that restores function to shoulders that previously had no good options. The key to success is understanding that the deltoid muscle now does most of the work, and protecting your new shoulder from dislocation positions. With proper rehabilitation, most patients achieve excellent pain relief and good functional use of their arm.