Catching Feeling in Shoulder When Lifting Arm?
Impingement Syndrome — Tendon gets pinched between bones causing pain.
Lifting arm at certain angle causes catching feeling with pain. Sometimes feels better when lifting higher. Repeated symptoms can lead to tendon damage.
3 Key Points This Page Explains
- Structural reasons why impingement syndrome occurs
- Why it only hurts at certain angles
- How posture correction prevents and treats it
These Symptoms May Indicate Impingement Syndrome
- Pain when lifting arm 60-120 degrees – Hurts at specific angle, feels better when lifting higher (Painful Arc).
- Catching feeling in shoulder – Feel something catching or clicking when lifting arm.
- Front shoulder pain when reaching – Especially when reaching forward or grabbing something overhead.
- Uncomfortable lying on affected side at night – Pain worsens with pressure.
- Worse after repetitive shoulder use – More pain after cleaning, exercise, painting.
Why Does Tendon Get Pinched?
Shoulder has a narrow tunnel called subacromial space. Rotator cuff tendon passes through this space, and when it narrows, tendon repeatedly gets pinched between bone (acromion) causing friction.
Repeated friction causes inflammation, swelling from inflammation, swelling narrows space further – vicious cycle begins.
Why Space Narrows
- Rounded shoulders – Forward rolled shoulders tilt acromion forward, narrowing space
- Shoulder muscle imbalance – Over-tense upper trapezius pulls scapula up
- Acromion shape – Congenitally downward curved acromion
- Bursa inflammation – Swelling of bursa that absorbs shock
Why Only Hurt at Certain Angle? (Painful Arc)
When lifting arm to side:
- 0-60 degrees – Tendon under acromion, not pinched yet
- 60-120 degrees – Tendon passes under acromion causing impingement → Most painful range
- 120+ degrees – Scapula rotates creating space again → Pain decreases
This ‘Painful Arc’ pattern is characteristic of impingement syndrome. However, similar patterns can appear in rotator cuff tears, requiring precise evaluation.
Our Approach at Yonsei Shinmyung
Key to impingement syndrome is ‘widening the space’. Treatment that functionally creates space without structural surgery.
- Step 1: Downshift (Circulation HD)
Stabilize inflamed bursa and surrounding tendons. Precise ultrasound-guided procedure to reduce swelling if needed. - Step 2: Activate (Circulation PT)
Strengthen scapula-stabilizing muscles (lower trapezius, serratus anterior) and relax over-tense upper trapezius to normalize scapula position. - Step 3: Integrate
Correct rounded shoulders and learn proper scapulohumeral rhythm when lifting arm. This enables lifting arm without impingement.
Key Posture Correction Points
Most important for preventing and treating impingement syndrome is shoulder and scapula position.
❌ Problematic Postures
- Forward rolled shoulders (rounded shoulders)
- Forward jutting neck (forward head posture)
- Shrugging shoulders when lifting arm
- Rounded back posture
✓ Correct Posture
- Shoulder blades flat against back
- Shoulders positioned behind ears
- Lower shoulders and lift only arms
- Thoracic spine naturally extended
What is Scapulohumeral Rhythm?
When lifting arm, humerus and scapula should move together in 2:1 ratio. Impingement occurs when this rhythm breaks. Circulation PT trains to restore this rhythm.
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Does It Catch and Hurt Every Time You Lift Arm?
We accurately identify cause of impingement and fundamentally resolve it with posture correction.
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