People with frozen shoulders have more sore coracoids versus with rotator cuff tear, calcifying tendonitis, glenohumeral arthritis, acromioclavicular arthropathy and asymptomatic subjects
Coracoid is bump under collar bone medial to shoulder
Int Orthop. 2010 Mar;34(3):385-8. Epub 2009 May 6.
Coracoid pain test: a new clinical sign of shoulder adhesive capsulitis.
Carbone S, Gumina S, Vestri AR, Postacchini R. abstract here
- positive in:
adhesive capsulitis 96.4%
rotator cuff tear – 11.1%
calcifying tendonitis – 14.5%
glenohumeral arthritis 6.2 %
acromioclavicular arthropathy – 10.6%
asymptomatic subjects 2%
- It hence has a sensitivity of 0.96 and a specificity ranging from 0.87 to 0.89.