Shoulder Instability — Complete Exercise Program

Looking for a shorter starting point? The Shoulder Instability starter guide covers the first 8 exercises on a printable sheet.

A phase-by-phase exercise program used in recovery for shoulder instability. Each movement includes what it's working on and how it's typically performed. Your own surgeon's or therapist's guidance always comes first.

Foundation

Weeks 0–4

Shoulder Isometrics

Gentle no-movement holds that switch on the shoulder muscles without straining the joint.

What it helps: Activates and strengthens the shoulder muscles with gentle static holds — a comfortable way to build strength early, before the joint is ready for moving resistance.

  1. Stand near a wall or door frame. For external rotation: elbow bent and tucked, press the back of your hand/forearm gently into the wall and hold — no movement.
  2. For abduction: press the outside of your arm into the wall. For flexion: press the front of your fist into the wall.
  3. Use light, comfortable pressure, hold steadily, then relax.

Tips:

  • No movement happens — you're gently pressing against something solid.
  • Start at about a quarter effort; never push into pain.

Commonly done as 2 sets of Hold 5–10 sec ×5, most days.

Shoulder Blade Squeezes

Strengthens the muscles between the shoulder blades to support upright posture.

What it helps: Strengthens the muscles between the shoulder blades that hold you upright and support good posture.

  1. Sit or stand tall with arms relaxed.
  2. Gently squeeze your shoulder blades together and slightly down.
  3. Hold briefly, then release.

Tips:

  • Do not shrug your shoulders up toward your ears.
  • Keep it gentle and controlled.

Commonly done as hold 3–5s sets of 10–15, a few times a day.

Scapular Y-T-W

Strengthens the muscles between and around the shoulder blades.

What it helps: Builds the mid-back and shoulder-blade muscles that anchor and position the shoulder — the foundation that lets it move and lift without pinching.

  1. Lie face-down (or bend forward at a table) with arms hanging.
  2. Y: raise both arms overhead into a Y, thumbs up, squeezing the shoulder blades. Lower.
  3. T: raise arms straight out to the sides into a T. W: bend elbows and pull them down and back into a W, squeezing the blades. Move through each with control.

Tips:

  • Lead with squeezing the shoulder blades, not shrugging.
  • Light or no weight; quality over quantity.

Commonly done as 2 sets of 8–10 each, a few times a week.

Posture Training

Posture Training exercise illustration

Trains a neutral spine for sitting, standing, and lifting safely.

What it helps: Trains a neutral, balanced spine for sitting, standing, and lifting — good posture takes strain off the back all day long.

  1. Sit or stand tall, stacking ears over shoulders over hips.
  2. Gently draw your shoulder blades down and back.
  3. Hold a tall, relaxed neutral position; reset whenever you slouch.

Tips:

  • Set reminders to check your posture during the day.
  • A small lumbar roll helps when sitting.

Commonly done throughout the day.

Shoulder Flexion

Gently restores forward shoulder motion.

What it helps: Gently restores forward shoulder motion so you can reach overhead and use the arm in daily life.

  1. Stand or sit tall.
  2. Slowly raise one or both arms forward and up to a comfortable height.
  3. Lower with control.

Tips:

  • Keep your shoulders relaxed, not shrugged.
  • Move within a pain-free range.

Commonly done as 2 sets of 10, daily.

Walking Program

Walking Program exercise illustration

Short, frequent walks build endurance and confidence.

What it helps: Comfortable, frequent walking keeps the joints loose, builds your stamina, and rebuilds confidence on your feet. Little and often beats long and tiring.

  1. Take short walks at a comfortable pace.
  2. Increase your distance gradually as you feel able.

Tips:

  • Use your assistive device as directed.

Commonly done throughout the day.

Build

Weeks 4–8

Resistance Band External Rotation

Strengthens the rotator cuff muscles that turn the arm outward and steady the shoulder.

What it helps: Builds the rotator cuff muscles that turn the arm out and hold the ball centered in the socket — the deep stabilizers that keep the shoulder moving smoothly.

  1. Anchor a band at waist height. Stand side-on and hold it in the hand farthest from the anchor, elbow bent 90° and tucked into your side.
  2. Keeping the elbow pinned to your side, rotate your forearm outward, away from your body.
  3. Slowly return. A small rolled towel between elbow and side helps keep good form.

Tips:

  • Keep the elbow glued to your side — only the forearm moves.
  • Light resistance, controlled motion.

Commonly done as 2–3 sets of 10–15, most days.

Resistance Band Internal Rotation

Strengthens the rotator cuff muscles that turn the arm inward.

What it helps: Strengthens the inward-rotating part of the rotator cuff, balancing the muscles that center and stabilize the shoulder.

  1. Anchor a band at waist height. Stand side-on with the working arm nearest the anchor, elbow bent 90° and tucked to your side.
  2. Keeping the elbow at your side, rotate your forearm inward, across toward your stomach.
  3. Slowly return with control.

Tips:

  • Elbow stays pinned to your side throughout.
  • Controlled, light resistance.

Commonly done as 2–3 sets of 10–15, most days.

Scapular Y-T-W

Strengthens the muscles between and around the shoulder blades.

What it helps: Builds the mid-back and shoulder-blade muscles that anchor and position the shoulder — the foundation that lets it move and lift without pinching.

  1. Lie face-down (or bend forward at a table) with arms hanging.
  2. Y: raise both arms overhead into a Y, thumbs up, squeezing the shoulder blades. Lower.
  3. T: raise arms straight out to the sides into a T. W: bend elbows and pull them down and back into a W, squeezing the blades. Move through each with control.

Tips:

  • Lead with squeezing the shoulder blades, not shrugging.
  • Light or no weight; quality over quantity.

Commonly done as 2 sets of 8–10 each, a few times a week.

Rhythmic Stabilization

Quick, gentle holds against light pushes that train the shoulder to stay stable and controlled.

What it helps: Trains the shoulder's stabilizing muscles to react and hold the joint steady — building the dynamic control that keeps the shoulder secure during everyday movement.

  1. Hold the arm in a comfortable position (e.g., in front, elbow slightly bent). Have a partner or your other hand apply light, quick pushes from different directions.
  2. Resist just enough to keep the arm steady — small holds, not big movements.
  3. Progress to a hand on a wall or ball, gently shifting weight through the arm.

Tips:

  • The arm barely moves — you're reacting to keep it still.
  • Light and controlled; this is about control, not strength.

Commonly done as 2–3 sets of 30–60 sec, most days.

Resistance Band Rows

Strengthens the upper back to support posture and the cervical spine.

What it helps: Strengthens the upper back that supports good posture and takes strain off the neck.

  1. Anchor a resistance band at chest height and hold an end in each hand.
  2. Pull your elbows back, squeezing your shoulder blades together.
  3. Return slowly with control.

Tips:

  • Keep your neck relaxed and posture tall.
  • Lead with the shoulder blades, not the neck.

Commonly done as 2 sets of 10–15, 3–4 times a week.

Walking Program

Walking Program exercise illustration

Short, frequent walks build endurance and confidence.

What it helps: Comfortable, frequent walking keeps the joints loose, builds your stamina, and rebuilds confidence on your feet. Little and often beats long and tiring.

  1. Take short walks at a comfortable pace.
  2. Increase your distance gradually as you feel able.

Tips:

  • Use your assistive device as directed.

Commonly done throughout the day.

Strengthen

Weeks 8–12

Rhythmic Stabilization

Quick, gentle holds against light pushes that train the shoulder to stay stable and controlled.

What it helps: Trains the shoulder's stabilizing muscles to react and hold the joint steady — building the dynamic control that keeps the shoulder secure during everyday movement.

  1. Hold the arm in a comfortable position (e.g., in front, elbow slightly bent). Have a partner or your other hand apply light, quick pushes from different directions.
  2. Resist just enough to keep the arm steady — small holds, not big movements.
  3. Progress to a hand on a wall or ball, gently shifting weight through the arm.

Tips:

  • The arm barely moves — you're reacting to keep it still.
  • Light and controlled; this is about control, not strength.

Commonly done as 2–3 sets of 30–60 sec, most days.

Resistance Band External Rotation

Strengthens the rotator cuff muscles that turn the arm outward and steady the shoulder.

What it helps: Builds the rotator cuff muscles that turn the arm out and hold the ball centered in the socket — the deep stabilizers that keep the shoulder moving smoothly.

  1. Anchor a band at waist height. Stand side-on and hold it in the hand farthest from the anchor, elbow bent 90° and tucked into your side.
  2. Keeping the elbow pinned to your side, rotate your forearm outward, away from your body.
  3. Slowly return. A small rolled towel between elbow and side helps keep good form.

Tips:

  • Keep the elbow glued to your side — only the forearm moves.
  • Light resistance, controlled motion.

Commonly done as 2–3 sets of 10–15, most days.

Scaption Raises

Light raises in the shoulder's natural plane that build the cuff and deltoid safely.

What it helps: Strengthens the rotator cuff and shoulder muscles through a raise in the joint's most comfortable plane — building overhead strength while keeping the shoulder clear of pinching.

  1. Stand with arms at your sides, thumbs pointing up.
  2. Raise both arms out and slightly forward — about 30° from straight ahead (the "scapular plane"), like a shallow Y.
  3. Lift to shoulder height or to just before any pinch, then lower slowly.

Tips:

  • Thumbs up, slight forward angle — the shoulder's safest, roomiest position.
  • Start with no weight; add a light weight only when it stays comfortable. Stop below any painful pinch.

Commonly done as 2 sets of 8–12, most days.

Resistance Band Rows

Strengthens the upper back to support posture and the cervical spine.

What it helps: Strengthens the upper back that supports good posture and takes strain off the neck.

  1. Anchor a resistance band at chest height and hold an end in each hand.
  2. Pull your elbows back, squeezing your shoulder blades together.
  3. Return slowly with control.

Tips:

  • Keep your neck relaxed and posture tall.
  • Lead with the shoulder blades, not the neck.

Commonly done as 2 sets of 10–15, 3–4 times a week.

Scapular Y-T-W

Strengthens the muscles between and around the shoulder blades.

What it helps: Builds the mid-back and shoulder-blade muscles that anchor and position the shoulder — the foundation that lets it move and lift without pinching.

  1. Lie face-down (or bend forward at a table) with arms hanging.
  2. Y: raise both arms overhead into a Y, thumbs up, squeezing the shoulder blades. Lower.
  3. T: raise arms straight out to the sides into a T. W: bend elbows and pull them down and back into a W, squeezing the blades. Move through each with control.

Tips:

  • Lead with squeezing the shoulder blades, not shrugging.
  • Light or no weight; quality over quantity.

Commonly done as 2 sets of 8–10 each, a few times a week.

Advance

Months 3–6

Rhythmic Stabilization

Quick, gentle holds against light pushes that train the shoulder to stay stable and controlled.

What it helps: Trains the shoulder's stabilizing muscles to react and hold the joint steady — building the dynamic control that keeps the shoulder secure during everyday movement.

  1. Hold the arm in a comfortable position (e.g., in front, elbow slightly bent). Have a partner or your other hand apply light, quick pushes from different directions.
  2. Resist just enough to keep the arm steady — small holds, not big movements.
  3. Progress to a hand on a wall or ball, gently shifting weight through the arm.

Tips:

  • The arm barely moves — you're reacting to keep it still.
  • Light and controlled; this is about control, not strength.

Commonly done as 2–3 sets of 30–60 sec, most days.

Scaption Raises

Light raises in the shoulder's natural plane that build the cuff and deltoid safely.

What it helps: Strengthens the rotator cuff and shoulder muscles through a raise in the joint's most comfortable plane — building overhead strength while keeping the shoulder clear of pinching.

  1. Stand with arms at your sides, thumbs pointing up.
  2. Raise both arms out and slightly forward — about 30° from straight ahead (the "scapular plane"), like a shallow Y.
  3. Lift to shoulder height or to just before any pinch, then lower slowly.

Tips:

  • Thumbs up, slight forward angle — the shoulder's safest, roomiest position.
  • Start with no weight; add a light weight only when it stays comfortable. Stop below any painful pinch.

Commonly done as 2 sets of 8–12, most days.

Resistance Band External Rotation

Strengthens the rotator cuff muscles that turn the arm outward and steady the shoulder.

What it helps: Builds the rotator cuff muscles that turn the arm out and hold the ball centered in the socket — the deep stabilizers that keep the shoulder moving smoothly.

  1. Anchor a band at waist height. Stand side-on and hold it in the hand farthest from the anchor, elbow bent 90° and tucked into your side.
  2. Keeping the elbow pinned to your side, rotate your forearm outward, away from your body.
  3. Slowly return. A small rolled towel between elbow and side helps keep good form.

Tips:

  • Keep the elbow glued to your side — only the forearm moves.
  • Light resistance, controlled motion.

Commonly done as 2–3 sets of 10–15, most days.

Resistance Band Rows

Strengthens the upper back to support posture and the cervical spine.

What it helps: Strengthens the upper back that supports good posture and takes strain off the neck.

  1. Anchor a resistance band at chest height and hold an end in each hand.
  2. Pull your elbows back, squeezing your shoulder blades together.
  3. Return slowly with control.

Tips:

  • Keep your neck relaxed and posture tall.
  • Lead with the shoulder blades, not the neck.

Commonly done as 2 sets of 10–15, 3–4 times a week.

Shoulder Strengthening

Builds shoulder and upper-body strength to offload the neck.

What it helps: Builds the shoulder and upper-body strength that supports the neck and powers reaching, lifting, and carrying.

  1. Using light weights or a band, perform shoulder raises, presses, and external rotations.
  2. Move slowly with good posture.
  3. Progress load gradually.

Tips:

  • Keep your neck relaxed throughout.
  • Stop if it strains the neck.

Commonly done as 2 sets of 10–12, 2–3 times a week.

Low-Impact Recreational Activities

Low-Impact Recreational Activities exercise illustration

Enjoyable activities that protect your joint.

What it helps: Getting back to the activities you enjoy in ways that are kind to your joints — the whole point of building this strength.

Commonly done as you like.

Maintain

Months 6–12

Shoulder Strengthening

Builds shoulder and upper-body strength to offload the neck.

What it helps: Builds the shoulder and upper-body strength that supports the neck and powers reaching, lifting, and carrying.

  1. Using light weights or a band, perform shoulder raises, presses, and external rotations.
  2. Move slowly with good posture.
  3. Progress load gradually.

Tips:

  • Keep your neck relaxed throughout.
  • Stop if it strains the neck.

Commonly done as 2 sets of 10–12, 2–3 times a week.

Rhythmic Stabilization

Quick, gentle holds against light pushes that train the shoulder to stay stable and controlled.

What it helps: Trains the shoulder's stabilizing muscles to react and hold the joint steady — building the dynamic control that keeps the shoulder secure during everyday movement.

  1. Hold the arm in a comfortable position (e.g., in front, elbow slightly bent). Have a partner or your other hand apply light, quick pushes from different directions.
  2. Resist just enough to keep the arm steady — small holds, not big movements.
  3. Progress to a hand on a wall or ball, gently shifting weight through the arm.

Tips:

  • The arm barely moves — you're reacting to keep it still.
  • Light and controlled; this is about control, not strength.

Commonly done as 2–3 sets of 30–60 sec, most days.

Resistance Band Rows

Strengthens the upper back to support posture and the cervical spine.

What it helps: Strengthens the upper back that supports good posture and takes strain off the neck.

  1. Anchor a resistance band at chest height and hold an end in each hand.
  2. Pull your elbows back, squeezing your shoulder blades together.
  3. Return slowly with control.

Tips:

  • Keep your neck relaxed and posture tall.
  • Lead with the shoulder blades, not the neck.

Commonly done as 2 sets of 10–15, 3–4 times a week.

Walking Program

Walking Program exercise illustration

Short, frequent walks build endurance and confidence.

What it helps: Comfortable, frequent walking keeps the joints loose, builds your stamina, and rebuilds confidence on your feet. Little and often beats long and tiring.

  1. Take short walks at a comfortable pace.
  2. Increase your distance gradually as you feel able.

Tips:

  • Use your assistive device as directed.

Commonly done throughout the day.

Low-Impact Recreational Activities

Low-Impact Recreational Activities exercise illustration

Enjoyable activities that protect your joint.

What it helps: Getting back to the activities you enjoy in ways that are kind to your joints — the whole point of building this strength.

Commonly done as you like.

About Shoulder Instability

What the condition is, how it's usually managed, and what to expect — read the Shoulder Instability guide.

Recovery reading

Browse all exercise guides · Condition guides · Recovery education library

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These are general exercise guides, not a personal prescription. The repetitions and frequency shown are what's commonly used — your own surgeon or therapist may advise something different, and their guidance comes first.