The diagnostic label Subacromial Impingement Syndrome (SIS), presenting as anterograde-lateral shoulder pain when the arm is elevated, was first introduced in 1972 by Dr Charles Neer and was …

Feb 8, 2025 · Subacromial impingement is the most common cause of shoulder pain which occurs as a result of compression of the rotator cuff muscles by superior structures (AC joint, acromion, CA …

Jul 1, 2024 · Subacromial impingement syndrome (SAIS) refers to the inflammation and irritation of the rotator cuff tendons as they pass through the subacromial space, resulting in pain, weakness, and …

Sep 8, 2025 · Subacromial impingement syndrome (SIS; commonly referred to as shoulder impingement) refers to a combination of shoulder symptoms, examination findings, and radiologic …

Shoulder impingement syndrome is a syndrome involving tendonitis (inflammation of tendons) of the rotator cuff muscles as they pass through the subacromial space, the passage beneath the acromion.

20 hours ago · Abstract Background: Subacromial impingement syndrome/pain syndrome (SIS/SAPS) is one of the most common causes of shoulder pain and functional limitation, affecting both the general …

Sep 11, 2025 · Shoulder impingement is painful pinching inside your shoulder, especially when you move it. It happens when the top outer edge of your shoulder blade squeezes your rotator cuff …

Explore the condition, treatments, and recovery guidance below: Shoulder Subacromial Impingement – Overview of the causes, symptoms, and stages of subacromial impingement. Impingement Video – A …

May 3, 2021 · An overview of subacromial impingement syndrome (SIS) including aetiology, clinical features (symptoms, signs), investigations and management options.

Oct 13, 2025 · Subacromial impingement is the most common form of shoulder impingement and occurs secondary to attrition between the coracoacromial arch and the underlying supraspinatus tendon or …