Constant-Murley Shoulder Score
Enter pain level, activity limitations, range of motion, and shoulder strength to compute the Constant-Murley Score (0–100) with domain breakdown.
Clinical Parameters
A Pain (0–15 pts)
15 = no pain | 0 = severe pain
B Activities of Daily Living (0–20 pts)
C Range of Motion (0–40 pts)
D Abduction Strength (0–25 pts)
Measured with arm abducted to 90° in scapular plane. 1 pt per pound (lb), max 25 pts.
Enter 0–25 lbs. Values above 25 are capped at 25 points.
Result
Constant-Murley Score
—
| Domain | Score | Max |
|---|---|---|
| Pain | — | 15 |
| Activities of Daily Living | — | 20 |
| Range of Motion | — | 40 |
| Strength | — | 25 |
| Total | — | 100 |
For clinical decision support only. Always combine with full clinical assessment and specialist judgment. Age- and sex-adjusted norms are not applied here.
Summary
Enter pain level, activity limitations, range of motion, and shoulder strength to compute the Constant-Murley Score (0–100) with domain breakdown.
How it works
- Rate the patient's pain level on a 0–15 scale (15 = no pain, 0 = severe pain).
- Score daily activities: work level, recreation/sport level, sleep quality, and positioning of the hand (each sub-item weighted).
- Measure and enter range of motion for forward flexion, lateral elevation, internal rotation, and external rotation.
- Measure shoulder abduction strength using a spring balance or dynamometer; enter the value in kilograms (up to 25 lbs mapped to 25 points).
- The calculator sums all four domains and displays the total CMS out of 100 with a functional grade.
Use cases
- Track shoulder function before and after rotator cuff repair surgery.
- Quantify outcomes following physiotherapy for shoulder impingement or frozen shoulder.
- Document shoulder disability for insurance or medicolegal reporting.
- Compare shoulder function between the injured and contralateral side.
- Screen patients for surgical candidacy based on pre-operative shoulder function.
- Teach clinical assessment skills to physiotherapy and orthopaedic trainees.