Is “Hyperextending” a Scrabble word?
Yes
HYPEREXTENDING
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Hyperextending
verb
1.To extend a joint beyond its normal position in a way that stresses the ligaments, often causing injury