The Shoulder Pain and Disability Index, or SPADI, is a 13-item patient-reported outcome measure used to assess shoulder pain and shoulder-related disability. It includes a 5-item Pain subscale and an 8-item Disability subscale, with scores usually reported from 0 to 100. Higher scores indicate greater shoulder pain and disability. SPADI can support baseline assessment and progress tracking, but it does not diagnose the cause of shoulder pain or clear someone for activity on its own.

Introduction

Shoulder pain can affect lifting, reaching, dressing, sleeping, carrying, work, gym training, sport and confidence with overhead movement.

The Shoulder Pain and Disability Index, commonly called SPADI, is a patient-reported outcome measure designed to assess current shoulder pain and disability.

It is commonly used for:

• shoulder pain monitoring
• subacromial pain syndrome
• rotator cuff-related shoulder pain
• frozen shoulder / adhesive capsulitis
• shoulder osteoarthritis
• post-operative shoulder recovery
• rehabilitation progress tracking
• return-to-training monitoring
• research and outcome reporting

The SPADI contains 13 items across two domains: a 5-item Pain subscale and an 8-item Disability subscale. Scores are usually transformed to a 0–100 scale, where higher scores indicate greater pain and disability.  

Quick Summary

• Outcome measure: Shoulder Pain and Disability Index
• Abbreviation: SPADI
• Body region: Shoulder
• Type: Patient-reported outcome measure
• Number of items: 13
• Subscales: Pain and Disability
• Pain items: 5
• Disability items: 8
• Score range: 0–100
• Higher score means: Greater shoulder pain and disability
• Lower score means: Less shoulder pain and disability
• Best used for: Baseline assessment, reassessment and shoulder outcome tracking
• Key limitation: SPADI does not diagnose the cause of shoulder pain or replace professional judgement

What Is the Shoulder Pain and Disability Index?

The SPADI is a shoulder-specific patient-reported outcome measure.

It asks the client to rate shoulder pain and difficulty with functional activities.

The SPADI has two subscales:

• Pain: 5 items
• Disability: 8 items

The original version used visual analogue scales, while many clinical settings now use a numeric rating scale format. The Shirley Ryan AbilityLab notes that two SPADI scoring versions exist: visual analogue scale and numeric rating scale.  

The SPADI aims to measure current shoulder pain and disability rather than diagnose the underlying shoulder condition.  

Why It Is Used

The SPADI is used because physical tests alone do not always show how shoulder symptoms affect the client’s daily life.

A client may show improved range of motion or strength but still report:

• pain reaching overhead
• pain reaching behind the back
• difficulty washing hair
• difficulty dressing
• pain carrying objects
• difficulty sleeping on the affected side
• reduced gym or sport confidence
• reduced work or household tolerance

The SPADI can help professionals:

• establish a baseline
• quantify self-reported shoulder pain and disability
• monitor change over time
• identify whether pain or disability is the main limitation
• support client education
• guide goal-setting conversations
• compare subjective progress with physical testing
• improve progress reporting in Measurz

The SPADI should support assessment reasoning and monitoring. It should not be used as a stand-alone diagnostic, treatment or clearance tool.

What It Measures

Pain Subscale

The Pain subscale captures shoulder pain severity during several situations.

It may provide context around:

• worst pain
• pain lying on the affected side
• pain reaching for something on a high shelf
• pain touching the back of the neck
• pain pushing with the affected arm

Disability Subscale

The Disability subscale captures difficulty with shoulder-related functional activities.

It may provide context around:

• washing hair
• washing the back
• putting on clothing
• buttoning clothing
• placing objects on a high shelf
• carrying heavy objects
• removing something from a back pocket
• daily upper-limb function

Total Score

The total SPADI score summarises pain and disability on a 0–100 scale.

A higher total score suggests greater shoulder-related impairment or disability.  

Who It Is Useful For

The SPADI may be useful for:

• exercise professionals
• rehabilitation practitioners
• strength and conditioning coaches
• workplace health professionals
• allied health support teams
• movement assessment professionals
• students learning outcome measures
• professionals using Measurz or MAT for structured progress tracking

It may be relevant for clients with:

• shoulder pain
• rotator cuff-related shoulder pain
• subacromial pain syndrome
• frozen shoulder / adhesive capsulitis
• shoulder osteoarthritis
• shoulder stiffness
• post-operative shoulder recovery
• shoulder pain affecting dressing, sleep, lifting or overhead activity

The SPADI is widely used across shoulder pathology and has been studied in shoulder pain populations, including community shoulder pain, frozen shoulder and subacromial pain syndrome.  

When to Use This Outcome Measure

Use the SPADI when you want to understand how shoulder pain affects daily function.

It may be useful at:

• initial assessment
• onboarding
• reassessment
• flare-up review
• return-to-gym monitoring
• return-to-work monitoring
• return-to-overhead activity planning
• post-operative milestones
• progress review
• discharge or long-term follow-up

The SPADI is most useful when repeated over time using the same version and scoring method.

When Not to Use or When to Be Cautious

Use caution when:

• the client cannot complete the questionnaire independently
• literacy, language or cognitive factors affect responses
• the wrong language version is used
• multiple body regions are driving limitation
• the shoulder is not the main limiting region
• many items are missing
• the score is being used as a diagnosis
• the score is being used as a pass/fail activity decision
• the result is interpreted without physical assessment context

The SPADI should not be used to:

• diagnose rotator cuff injury
• diagnose subacromial pain syndrome
• diagnose frozen shoulder
• confirm structural shoulder pathology
• determine tissue healing
• identify the exact pain source
• clear someone for work, training or sport
• replace professional judgement
• replace medical assessment where needed

Equipment or Resources Required

• SPADI questionnaire
• Scoring guide or calculator
• Measurz recording workflow
• Client-reported symptom notes
• Baseline and retest dates
• Optional related physical tests, such as:
  • shoulder range of motion
  • shoulder strength testing
  • pain with resisted movement
  • overhead reach assessment
  • behind-back reach assessment
  • scapular control observation
  • work or sport exposure notes
  • sleep position notes where relevant

Administration Protocol / Practice

Setup

Explain the purpose of the questionnaire before the client completes it.

Example wording:

“This questionnaire helps us understand how your shoulder pain is affecting daily activities such as reaching, dressing, washing, carrying and sleep. It does not diagnose the cause of the pain, but it helps us monitor how your function changes over time.”

Format

The SPADI can be completed:

• on paper
• digitally
• independently
• verbally if assistance is needed
• before a session
• during reassessment
• as part of a Measurz workflow

Client Instructions

Ask the client to:

• answer based on their current shoulder problem
• rate each pain and disability item
• answer every item where possible
• choose the rating that best reflects their current difficulty
• ask for clarification if they do not understand an item
• complete the same version at each retest

Completion Method

Record whether the SPADI was completed:

• independently
• digitally
• on paper
• verbally
• with assistance

This supports repeatability and helps interpret change over time.

Assistance Rules

If assistance is needed:

• explain instructions without leading the answer
• avoid telling the client which score to choose
• record that assistance was provided
• use the same assistance approach at retest where possible

Missing Item Handling

Do not guess missing responses.

SPADI scoring guidance commonly requires a minimum number of items within each subscale to calculate scores. The Shirley Ryan AbilityLab notes that at least two-thirds of items in each subscale must be answered to compute a score.  

A factor-structure study also states that if more than two items of a subscale are not answered, no SPADI score is calculated.  

For Measurz recording, note:

• missing pain items
• missing disability items
• whether the subscale was still scoreable
• whether the total score was calculated
• whether the same version was used at retest

Scoring Process

The SPADI has 13 items:

• 5 Pain items
• 8 Disability items

Each item is commonly rated from 0 to 10, or on a visual analogue scale depending on the version.

Scores are transformed to a 0–100 scale.

General scoring direction:

• 0: no shoulder pain or disability
• 100: maximum shoulder pain or disability

Common scoring approach:

• Pain subscale = average or transformed score of the 5 pain items
• Disability subscale = average or transformed score of the 8 disability items
• Total SPADI = average of the Pain and Disability subscales, or total item transformation depending on scoring format

Use the scoring method attached to the specific version being used.

Retesting Considerations

Retest at meaningful points, such as:

• baseline
• after a rehabilitation block
• after a flare-up
• before return to overhead training
• before return to work demands
• after a change in gym or sport load
• post-operative milestones
• discharge or progress review

For consistency, record:

• date
• recent flare-ups
• current pain behaviour
• current work demands
• current training exposure
• overhead activity exposure
• sleep impact
• medication changes if relevant and appropriate
• any major changes in daily or sport demands

Safety Notes

The SPADI is a self-report questionnaire, so it does not create physical testing risk.

However, worsening responses may support further assessment where the client reports:

• severe deterioration
• major sleep disruption
• worsening function
• new neurological symptoms
• major loss of shoulder motion
• major quality-of-life impact

Scoring and Interpretation

The SPADI produces Pain, Disability and total scores from 0 to 100.

Higher scores indicate greater reported shoulder pain and disability.

Lower scores indicate less reported shoulder pain and disability.

Score Range

• 0: no reported shoulder pain or disability
• 100: maximum reported shoulder pain or disability

What a High Score May Suggest

A higher SPADI score may suggest:

• greater shoulder pain
• greater difficulty with daily shoulder tasks
• reduced overhead tolerance
• reduced carrying or pushing tolerance
• more sleep-related shoulder impact
• lower confidence using the affected arm

What a Low Score May Suggest

A lower SPADI score may suggest:

• less reported shoulder pain
• better daily function
• better tolerance of reaching, washing, dressing or carrying
• less disability related to shoulder symptoms

Pain Versus Disability Pattern

Look at Pain and Disability subscales separately.

Examples:

• High Pain and high Disability may suggest symptoms are strongly limiting function.
• High Pain but lower Disability may suggest the client is still functioning despite pain.
• Lower Pain but higher Disability may suggest stiffness, weakness, fear, confidence or exposure limits may be contributing.
• Improving Disability with persistent Pain may suggest better function despite ongoing symptoms.

What the Score Does Not Prove

A SPADI score does not prove:

• the diagnosis
• the pain source
• rotator cuff integrity
• frozen shoulder stage
• tendon healing
• structural severity
• readiness to return to work, gym or sport
• whether imaging is required
• whether one intervention caused the change

How to Explain the Result Safely

Example wording:

“Your SPADI score suggests your shoulder pain and disability are still affecting daily activities, especially reaching and dressing. This does not tell us exactly what structure is causing the pain, but it helps us track whether your shoulder function is improving over time.”

What the Score May Mean in Different Client Populations

General Fitness Clients

For general fitness clients, SPADI may help show how shoulder pain affects:

• reaching
• dressing
• washing
• carrying
• pushing
• sleep
• gym participation

Interpretation cautions:

• recent training may influence answers
• fear of movement may affect responses
• neck, elbow or hand symptoms may also influence disability

Sport and Performance Clients

For athletes, SPADI can track general shoulder pain and disability, but it may not capture sport-specific performance demands.

Interpretation should also include:

• sport-specific movement testing
• overhead exposure
• throwing or serving exposure where relevant
• gym load
• contact or collision exposure where relevant
• confidence with training
• pain response to sport tasks

A low SPADI score should not be treated as sport clearance on its own.

Older Adults

For older adults, SPADI can help monitor how shoulder pain affects:

• dressing
• washing
• sleep
• reaching
• carrying
• household activity
• independence

Interpretation cautions:

• other health conditions may influence scores
• cervical symptoms may affect shoulder function
• general strength and mobility may influence responses

Youth Clients

SPADI is more commonly used in adult shoulder pain contexts.

For youth clients, consider:

• reading level
• comprehension
• parent or guardian assistance
• sport and school demands
• whether a youth-specific or sport-specific measure may be more appropriate

If assistance is provided, record it clearly.

Clients With Rotator Cuff-Related Shoulder Pain or Subacromial Pain

SPADI is commonly used in rotator cuff-related shoulder pain and subacromial pain syndrome contexts. A 2025 study specifically examined reliability, construct validity, responsiveness and MCID of SPADI in subacromial pain syndrome.  

Interpretation should also consider:

• painful arc or movement response
• shoulder range of motion
• shoulder strength
• resisted testing response
• sleep impact
• overhead load exposure

Clients With Frozen Shoulder

SPADI has been studied in idiopathic frozen shoulder. A 2023 study assessed reliability and validity in 124 people with idiopathic frozen shoulder and included a retest subgroup after 7 days.  

Interpretation should consider:

• shoulder range of motion
• irritability
• sleep pain
• stage of presentation
• activity exposure
• related physical findings

Post-Surgical Shoulder Clients

For post-operative shoulder clients, SPADI can help monitor self-reported pain and disability over time.

Interpretation should consider:

• surgery type
• healing stage
• restrictions
• expected post-operative symptoms
• activity exposure
• medical or surgical guidance where relevant

Meaningful Change, MCID, MDC and Responsiveness

Meaningful change helps interpret whether a SPADI change is likely to matter.

Key terms:

• MCID / MIC: the smallest change that may be meaningful to clients or professionals, depending on method used
• MDC: the amount of change likely needed to exceed measurement error
• SEM: the estimated measurement error around a score
• Responsiveness: the ability of the questionnaire to detect change over time
• PASS: patient acceptable symptom state
• SCB: substantial clinical benefit

SPADI Meaningful Change Evidence

SPADI meaningful change values vary by condition, baseline severity, scoring version and setting.

A 2019 systematic review examined MCID values for commonly used patient-reported outcomes in shoulder surgery and concluded that consensus for MCID in shoulder PROMs had not been established. This supports using context-specific thresholds rather than one universal value.  

A 2025 study examined SPADI reliability, construct validity, responsiveness and MCID in people with subacromial pain syndrome, reflecting ongoing work to define condition-specific clinically meaningful change.  

Practical Interpretation

When interpreting SPADI change:

• compare Pain, Disability and total scores with baseline
• consider whether change exceeds available MCID/MIC or MDC values for the relevant population
• check which functional tasks improved
• check whether activity exposure has increased
• consider pain, sleep, range of motion, strength and overhead function
• avoid over-interpreting very small changes

When Values Are Uncertain

Reported meaningful change values may vary by:

• rotator cuff-related pain
• frozen shoulder
• shoulder osteoarthritis
• post-operative shoulder recovery
• baseline severity
• follow-up timeframe
• anchor method
• language version
• scoring version

When no matching MCID, MDC or SEM value exists, interpretation should rely more heavily on:

• baseline comparison
• repeated measurement
• client-reported change
• physical assessment findings
• activity exposure
• professional judgement

Normative Data, Reference Values or Comparative Data

Broad universal SPADI normative values are limited.

The SPADI is best interpreted through practical comparison rather than strict norms.

Use:

• baseline comparison
• retest comparison
• subscale comparison
• item-level task changes
• client goals
• activity exposure
• pain and symptom response
• related physical assessment findings

Practical guidance:

• Scores closer to 0 generally suggest lower reported shoulder pain and disability.
• Higher scores suggest greater reported shoulder pain and disability.
• A score change is more meaningful when it exceeds measurement error or MIC/MCID values for a matching population.
• Improvement should align with daily function and activity exposure.
• Avoid using a score alone as a return-to-work, return-to-gym or return-to-sport decision.

Comparison should consider:

• age
• work demands
• activity level
• shoulder condition
• symptom duration
• language version
• pain irritability
• sleep impact
• sport or gym exposure
• surgical status

Reliability and Validity

The SPADI has substantial evidence supporting its use as a shoulder pain and disability measure.

A 2006 study of community volunteers with shoulder pain found that SPADI demonstrated factor, construct and longitudinal validity, supporting its use in shoulder pain assessment and monitoring.  

A 2009 factor-structure study stated that SPADI is a self-administered instrument designed to measure pain and disability associated with shoulder disease, with 5 pain and 8 disability items, and confirmed scoring on a 0–100 scale.  

A responsiveness study reported that SPADI was suitable as an outcome measure in similar shoulder pain settings and described the total score as ranging from 0 best to 100 worst.  

Reliability and validity are stronger when:

• the correct SPADI version is used
• the correct language version is used
• all required items are completed
• missing items are handled consistently
• the same scoring method is repeated
• retesting occurs at meaningful time points
• results are interpreted alongside physical and functional assessment

Interpret cautiously when:

• multiple items are missing
• the client has difficulty understanding items
• symptoms are not primarily shoulder-related
• neck or upper limb symptoms drive limitation
• the score is used as a stand-alone diagnostic or clearance decision
• the language version has limited validation evidence

Common Errors and Limitations

Common errors include:

• treating SPADI as a diagnosis
• using SPADI as return-to-work, return-to-gym or return-to-sport clearance
• mixing VAS and numeric rating versions across retests
• ignoring missing items
• not recording completion method
• over-interpreting small changes
• using broad categories as strict cut-offs
• interpreting shoulder function without activity exposure
• failing to pair it with physical testing

Limitations include:

• self-report can be influenced by mood, expectations and recent activity
• scores do not identify the exact physical cause of symptoms
• meaningful change values vary across conditions
• universal normative values are limited
• SPADI may not capture sport-specific performance well
• neck, elbow or hand symptoms may influence responses
• it should be paired with physical assessment and client goals

Practical Applications

The SPADI may help professionals:

• document baseline shoulder pain and disability
• identify whether pain or disability is more affected
• monitor change over time
• track response during rehabilitation or training modification
• support return-to-work discussions
• guide goal-setting conversations
• improve client education
• strengthen Measurz reports

For fitness clients, SPADI can show whether shoulder pain is affecting pressing, pulling, carrying, reaching or gym participation.

For workplace clients, SPADI can help track disability related to lifting, carrying, overhead work and daily tasks.

For persistent shoulder pain, SPADI can help monitor whether disability is improving even if pain fluctuates.

For Measurz users, SPADI is most useful when combined with practical measures such as:

• shoulder range of motion
• shoulder strength
• pain with resisted movement
• overhead reach
• behind-back reach
• scapular control
• lifting tolerance
• sleep impact
• work or training exposure

How to Record This in Measurz

Record:

• outcome measure name: Shoulder Pain and Disability Index / SPADI
• version used: VAS or numeric rating version
• date completed
• completion method: paper, digital, interview or assisted
• language/version used
• condition or presentation being tracked
• side involved: left, right or bilateral
• Pain subscale score
• Disability subscale score
• Total SPADI score
• score range: 0–100
• direction of scoring: higher score indicates greater pain and disability
• missing pain items, if any
• missing disability items, if any
• whether score was calculable
• assistance provided, if any
• current pain score, if relevant
• current symptoms
• sleep impact
• current work, gym or sport exposure
• key functional limitations
• confidence or participation goals
• baseline comparison
• MCID/MIC/MDC comparison where supported
• item-level tasks that improved or worsened
• related physical assessment findings
• interpretation notes
• retest date
• referral or further assessment notes where appropriate

Record whether the main limitation appears to be:

• pain dominant
• disability dominant
• overhead reaching limitation
• behind-back reach limitation
• dressing or washing limitation
• carrying or pushing limitation
• sleep-related limitation
• mixed limitation
• unclear due to incomplete responses

This improves:

• repeatability
• communication
• client education
• assessment reasoning
• monitoring over time
• team consistency
• reporting quality

Related Outcome Measures / Internal Links

• Upper Extremity Functional Index / UEFI
• Oxford Shoulder Instability Score
• Neck Disability Index
• Pain Self-Efficacy Questionnaire / PSEQ
• Tampa Scale for Kinesiophobia / TSK
• Fear-Avoidance Beliefs Questionnaire / FABQ
• Örebro Musculoskeletal Pain Screening Questionnaire
• Spine Function Index-10

FAQs

What does the SPADI measure?

The SPADI measures self-reported shoulder pain and shoulder-related disability.

How many items are in the SPADI?

The SPADI has 13 items: 5 pain items and 8 disability items.

How is SPADI scored?

SPADI is usually scored from 0 to 100 for Pain, Disability and total score. Higher scores indicate greater shoulder pain and disability.

Does a higher SPADI score mean worse shoulder function?

Yes. Higher SPADI scores indicate greater reported pain and disability.

Does SPADI diagnose the cause of shoulder pain?

No. SPADI measures shoulder pain and disability. It does not diagnose rotator cuff injury, frozen shoulder, subacromial pain or any other specific condition.

What is a meaningful change in SPADI?

Meaningful change values vary by population and shoulder condition. Use condition-specific MCID or MDC values where available and interpret change alongside baseline score, symptoms, function and activity exposure.

Can SPADI be used for athletes?

It can track general shoulder pain and disability, but it may not capture sport-specific performance demands. It should be paired with sport-specific testing and workload information.

How often should SPADI be repeated?

It can be repeated at baseline, reassessment, after a rehabilitation phase, after a flare-up, during return-to-work or return-to-training planning, and at progress review.

Key Takeaways

• The Shoulder Pain and Disability Index is a 13-item shoulder outcome measure.
• It includes a 5-item Pain subscale and an 8-item Disability subscale.
• Scores are usually reported from 0 to 100.
• Higher scores indicate greater shoulder pain and disability.
• SPADI does not diagnose the cause of shoulder pain or clear a client for activity.
• Meaningful change values vary by shoulder condition and population.
• Broad normative values are limited, so baseline comparison is usually most useful.
• Measurz should record version, Pain score, Disability score, total score, completion method, missing items, side, activity exposure, baseline comparison, item-level changes and related physical findings.

References

Angst, F., Schwyzer, H. K., Aeschlimann, A., Simmen, B. R., & Goldhahn, J. (2011). Measures of adult shoulder function: Disabilities of the Arm, Shoulder, and Hand Questionnaire, Constant Score, Simple Shoulder Test, Shoulder Pain and Disability Index, American Shoulder and Elbow Surgeons Standardized Shoulder Assessment Form, Oxford Shoulder Score, Shoulder Disability Questionnaire, and Western Ontario Shoulder Instability Index. Arthritis Care & Research, 63(S11), S174–S188. https://doi.org/10.1002/acr.20630

Ekeberg, O. M., Bautz-Holter, E., Tveitå, E. K., Keller, A., Juel, N. G., & Brox, J. I. (2008). Agreement, reliability and validity in 3 shoulder questionnaires in patients with rotator cuff disease. BMC Musculoskeletal Disorders, 9, 68. https://doi.org/10.1186/1471-2474-9-68

Hill, C. L., Lester, S., Taylor, A. W., Shanahan, M. E., & Gill, T. K. (2011). Factor structure and validity of the Shoulder Pain and Disability Index in a population-based study of people with shoulder symptoms. BMC Musculoskeletal Disorders, 12, 8. https://doi.org/10.1186/1471-2474-12-8

MacDermid, J. C., Solomon, P., & Prkachin, K. (2006). The Shoulder Pain and Disability Index demonstrates factor, construct and longitudinal validity. BMC Musculoskeletal Disorders, 7, 12. https://doi.org/10.1186/1471-2474-7-12

Page, M. J. (2011). Shoulder Pain and Disability Index. Journal of Physiotherapy, 57(3), 197. https://doi.org/10.1016/S1836-9553(11)70045-5

Roe, Y., Soberg, H. L., Bautz-Holter, E., & Ostensjo, S. (2009). A systematic review of measures of shoulder pain and functioning using the International Classification of Functioning, Disability and Health. BMC Musculoskeletal Disorders, 10, 33. https://doi.org/10.1186/1471-2474-10-33

Tveitå, E. K., Ekeberg, O. M., Juel, N. G., & Bautz-Holter, E. (2008). Responsiveness of the Shoulder Pain and Disability Index in patients with adhesive capsulitis. BMC Musculoskeletal Disorders, 9, 161. https://doi.org/10.1186/1471-2474-9-161

Young, I. A., et al. (2025). Reliability, construct validity, responsiveness and minimum clinically important difference of the numeric pain rating scale and shoulder pain and disability index in patients with subacromial pain syndrome. Musculoskeletal Science and Practice, 79, 103372. https://doi.org/10.1016/j.msksp.2025.103372