Upper limb
Superior and inferior transverse scapular ligaments
Ligamenta transversa scapulae superius et inferius
- Origin
- Superior ligament bridges suprascapular notch; inferior ligament (spinoglenoid ligament) bridges spinoglenoid notch
- Insertion
- Coracoid process base and spine/glenoid margin of the scapula
- Function
- Converts bony scapular notches into fibro-osseous tunnels transmitting suprascapular nerve and vessels
- Innervation
- Suprascapular nerve (C5–C6)
- Movement & chain
- Static ligaments stabilizing neurovascular conduits
- Palpation
- Deep structures, non-palpable
- Clinical
- Suprascapular nerve entrapment syndrome causing weakness and atrophy of supraspinatus/infraspinatus; spinoglenoid notch compression from paralabral cysts in overhead athletes.
- Segmental innervation
- C5–C6
- In clinical practice
- External rotation strength assessment and EMG/ultrasound-guided diagnostic release
- Region in the model
- Upper limb