Snapping Scapula Syndrome (Scapulothoracic Bursitis)

The grinding, popping, or crunching sensation under your shoulder blade

Conditions Treated

Neck Pain
Trigeminal Neuralgia
Back Pain
Knee pain
Buttock Pain
Shoulder Pain
Pain Due To Vascular Diseases
Hip Pain
Cancer Pain And Palliative Care

Overview

Snapping Scapula Syndrome (also referred to as Scapulothoracic Syndrome or Scapular Crepitus) is a condition causing painful, audible, or palpable crepitus as the scapula glides over the thoracic rib cage during shoulder movement. Often under-recognised and misdiagnosed as shoulder or thoracic spine pathology, it results from abnormal scapulothoracic kinematics, bursal inflammation, or bony prominences. It is more common in athletes, swimmers, overhead workers, and individuals with postural abnormalities.


Symptoms & Causes

Common Symptoms

  1. Audible or palpable snapping / grinding / crunching beneath the shoulder blade
  2. Pain in the periscapular region — medial scapular border or superior angle
  3. Pain worse with overhead activities, throwing, and swimming
  4. Periscapular muscle fatigue with sustained arm use
  5. Winging of the scapula (visible protrusion of medial border)
  6. Restricted and painful shoulder elevation in some cases
  7. Tenderness at the superomedial scapular angle on palpation
Common Causes

  1. Scapulothoracic bursitis — inflammation of infrasserratus or supraserratus bursa
  2. Bony prominences — Luschka's tubercle at superomedial angle, osteochondroma, rib exostosis
  3. Winging scapula due to serratus anterior or trapezius weakness
  4. Postural abnormalities — thoracic kyphosis, rounded shoulders
  5. Sports overuse — overhead athletes (swimming, volleyball, tennis)
  6. Post-traumatic: rib or scapular fractures altering geometry
  7. Muscle imbalance in periscapular stabilisers

Conservative & First-Line Treatment

  • Physiotherapy — scapular stabilisation, serratus anterior and lower trapezius strengthening
  • Postural correction — thoracic extension exercises
  • Activity modification — reducing overhead repetition temporarily
  • NSAIDs and muscle relaxants for acute periscapular spasm
  • Manual therapy targeting thoracic spine mobility

How Vedant Pain Management Clinic Can Help

Our interventional pain specialists offer the following evidence-based procedures, all performed with real-time ultrasound guidance for precision and safety:

  • Ultrasound-guided scapulothoracic bursa injection (corticosteroid + LA) — targeted treatment for bursitis with real-time needle visualisation
  • Ultrasound-guided periscapular trigger point injections — levator scapulae, rhomboids, serratus anterior
  • Diagnostic musculoskeletal ultrasound to identify bursitis, confirm the snapping source, and exclude masses or bony spurs
  • Pulsed RFA of dorsal scapular nerve for persistent medial scapular pain
  • Musculoskeletal Trigger Point Release (Dry Needling / Wet Needling) for periscapular myofascial pain
  • Coordinated physiotherapy referral with ultrasound-guided interventions for optimal outcome

Newer Diagnostic Concepts & Advances

Snapping Scapula Syndrome is increasingly recognised as a distinct clinical entity rather than a symptom of shoulder pathology. The newer concept of 'scapular dyskinesis spectrum' acknowledges that most cases involve a combination of bursitis + neuromuscular imbalance + altered thoracoscapular kinematics — requiring both interventional and rehabilitative treatment.

Frequently Asked Questions

Painless snapping is usually a normal anatomical variation. However, painful or progressive crepitus — especially with periscapular muscle weakness — warrants investigation. Ultrasound and MRI can exclude bony causes (osteochondromas, Luschka's tubercle), after which targeted treatment is very effective.

Snapping scapula syndrome is often misattributed to cervical spine disease, rotator cuff pathology, or thoracic outlet syndrome. The condition requires a clinician experienced in scapulothoracic anatomy and musculoskeletal ultrasound for accurate diagnosis — an expertise that Vedant Pain Clinic offers.

Yes — the scapulothoracic bursa lies in the potential space between the subscapularis and serratus anterior muscles and the underlying rib cage. Ultrasound allows real-time visualisation of this space and precise needle placement, ensuring accurate delivery and avoiding inadvertent pneumothorax risk.

For functional / postural causes, a 6–8 week structured scapular stabilisation programme is highly effective. When bursitis is the primary driver, injection first followed by physiotherapy produces the best outcomes. We combine both approaches for a comprehensive result.

Surgical bursectomy or resection of bony prominences (Luschka's tubercle) is rarely needed and reserved for cases with confirmed structural bony pathology that has failed all conservative and interventional treatment.
Meet Our Specialist

Dr. Mohit Gupta

Interventional Pain Physician & Pain Specialist

Dr. Mohit Gupta is a highly experienced Interventional Pain Physician dedicated to helping patients overcome chronic pain and regain a better quality of life. He combines advanced, minimally invasive pain management techniques with compassionate, personalized care.

10+ Years Experience
Advanced Pain Therapies
Patient-First Care
Book Consultation
Know More
Dr Mohit Gupta