What's actually going on?

The shoulder is one of the most mobile joints in the body, which means a lot of moving parts — the rotator cuff (four small stabilizing muscles), the scapula (shoulder blade) and its connections, the thoracic spine (upper back), and the gleno-humeral joint itself. Pain can come from any of these.

The 2018 BJSM consensus introduced the term "rotator cuff related shoulder pain" as a deliberately broad umbrella, because the evidence is now clear that what we used to call "impingement" is usually a combination of capacity, control, and mobility issues — not just a mechanical pinch.

Common diagnoses

  • Rotator cuff related shoulder pain (the umbrella term)
  • Rotator cuff tendinopathy
  • Rotator cuff tear (partial or full thickness)
  • Frozen shoulder (adhesive capsulitis)
  • AC joint sprain or arthritis
  • Shoulder instability

What the evidence says

  • The CSAW trial (Beard et al., Lancet 2018) randomized patients with subacromial shoulder pain into surgery vs sham surgery vs no surgery — no meaningful difference at 1 year. Structure didn't predict outcomes.
  • Cochrane reviews (Page et al.) support exercise + manual therapy as first-line care.
  • For atraumatic rotator cuff tears in middle-aged and older adults, exercise produces outcomes comparable to surgical repair (MOON Shoulder Group; Kuhn et al.).
  • For frozen shoulder, the course is largely self-limiting (12–18 months) but manual therapy + exercise modestly accelerates recovery (Page et al., Cochrane 2014).
“The shoulder doesn't read its own MRI.”

The plan

  1. Assessment of the whole shoulder complex — cuff, scapula, thoracic spine, neck contribution.
  2. Identify the specific diagnosis and your loading goals.
  3. Manual therapy and adjunct modalities where helpful early on.
  4. Progressive loading — isometric, then heavy slow resistance, then sport- or task-specific demands.
  5. Scapular control and thoracic mobility work in parallel.

When to seek emergency care

Some symptoms need urgent medical attention — not a chiropractic visit. Call 911 or go to the nearest emergency department for: progressive limb weakness, loss of bowel or bladder control, saddle anesthesia (numbness in the groin/inner thighs), severe unrelenting pain unrelieved by position, signs of fracture after significant trauma, chest pain, stroke-like symptoms (face drooping, arm weakness, speech changes), or any rapidly worsening or unusual symptom.

Bottom line

Most chronic shoulder pain responds well to assessment-driven loading. Capacity, scapular control, and thoracic mobility all matter. Surgery has a specific role — exercise has the bigger one.