Anatom3DSubtendinous bursa of trapezius muscle
Bursa subtendinea musculi trapezii · Podšlachová burza trapézového svalu
Joints & cartilage
Looks like
A small sac between the trapezius and the smooth triangle at the inner end of the shoulder blade spine.
What it does
Lets the muscle glide over the bone as the shoulder blade turns.
Keeping it well
May contribute to snapping scapula, a grating felt under the shoulder blade.
Related conditions
- Frozen shoulder (adhesive capsulitis)
- Gout
- Haemophilia & bleeding disorders
- Lyme disease
- Marfan syndrome & connective tissue disorders
- Osteoarthritis
- Polymyalgia rheumatica
- Psoriatic arthritis
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Shoulder dislocation
- Systemic lupus erythematosus
- Temporomandibular joint disorder