Assertion: shoulder's joint | /r/CapableOf | allow extension
Facets:
Source sentences:
text: Hinge joints allow flexion and extension only.
text: The glenohumeral joint allows for adduction, abduction, medial and lateral rotation, flexion and extension of the arm.
text: These joints allow flexion, extension, abduction, adduction, and circumduction.
text: Ball and socket joints are the most freely moveable joints in the body, allowing flexion, extension, abduction, adduction, and internal and external rotation.