Line 18:26·Generally, don't use bold in text: '<strong>:</strong>'
Headings Valid
warning
Expected headings
H1
Summary
H1
Gross anatomy
H2
Articulations
H2
Attachments
H3
Musculotendinous
H3
Ligamentous
H2
Relations / Boundaries
H1
Arterial supply
H1
Venous drainage
H1
Lymphatic drainage
H1
Innervation
H1
Histology
H1
Variant anatomy
H1
Radiographic features
H2
Plain radiograph
H2
Ultrasound
H2
CT
H2
MRI
H2
Nuclear medicine
H1
Development
H1
Clinical importance
H1
Related pathology
H1
History and etymology
H1
See also
"Movement"
Line 3:1·"Movement" is not a recognised heading for this article type.
Oxford Comma
suggestion
"The scapulothoracic joint allows for complex scapular movements in relation to the thoracic cage: elevation and depression, protraction and retraction, and medial and lateral rotation."
Line 2:116·Use the Oxford comma in 'depression, protraction and retraction'.