Assertion: outermost knuckle | /r/HasProperty | dip jointhyperextend
Facets:
Source sentences:
text: Boutonniere deformity , or buttonhole deformity, occurs when the middle knuckle joint (PIP joint) becomes stuck in a bent position while the large knuckle (MCP joint) and outermost knuckle (DIP joint) hyperextend.
text: , or buttonhole deformity, occurs when the middle knuckle joint (PIP joint) becomes stuck in a bent position while the large knuckle (MCP joint) and outermost knuckle (DIP joint) hyperextend.