hyperextend
verb
hy·per·ex·tend ˌhī-pər-ik-ˈstend 
hyperextended; hyperextending; hyperextends
transitive verb
: to extend so that the angle between bones of a joint is greater than normal
a hyperextended elbow
also : to extend (something, such as a body part) beyond the normal range of motion
hyperextended her neck
hyperextension
ˌhī-pər-ik-ˈsten(t)-shən
noun 
Example Sentences
Recent Examples on the Web Without this braking action, your knee would hyperextend at the end of each stride. 
Jason Fitzgerald, Outside Online, 7 Oct. 2019 The Gluteus Maximus must be strong to extend and hyperextend the hip joint. Jon-erik Kawamoto, Outside Online, 7 July 2020 Giannis Antetokounmpo really did hyperextend his left knee just two weeks ago in Game 4 of the Eastern Conference finals against the Atlanta Hawks. Duane Rankin, The Arizona Republic, 13 July 2021 The two-time NBA MVP was forced off after appearing to hyperextend his left knee following an awkward landing in the third quarter of the game. Ben Church, CNN, 30 June 2021 Some people can naturally hyperextend more than others, but many end up tearing internal structures. Grace Mcdermott, Milwaukee Journal Sentinel, 30 June 2021 Fewer Russian characters would squeeze their palates, and fewer Irish characters would hyperextend their vowels. Reid Singer, New York Times, 28 Oct. 2020 Alabama guard Herbert Jones will be a game-time decision after hyperextending his elbow against Penn last week. Matt Zenitz | Mzenitz@al.com, al, 11 Nov. 2019 Starting center Hassan Whiteside hyperextended his left knee in the second quarter against the Thunder and, despite returning to play 13 minutes, 19 seconds in the second half, did not practice on Friday. Joe Freeman, oregonlive, 1 Nov. 2019 See More
Jason Fitzgerald, Outside Online, 7 Oct. 2019 The Gluteus Maximus must be strong to extend and hyperextend the hip joint. Jon-erik Kawamoto, Outside Online, 7 July 2020 Giannis Antetokounmpo really did hyperextend his left knee just two weeks ago in Game 4 of the Eastern Conference finals against the Atlanta Hawks. Duane Rankin, The Arizona Republic, 13 July 2021 The two-time NBA MVP was forced off after appearing to hyperextend his left knee following an awkward landing in the third quarter of the game. Ben Church, CNN, 30 June 2021 Some people can naturally hyperextend more than others, but many end up tearing internal structures. Grace Mcdermott, Milwaukee Journal Sentinel, 30 June 2021 Fewer Russian characters would squeeze their palates, and fewer Irish characters would hyperextend their vowels. Reid Singer, New York Times, 28 Oct. 2020 Alabama guard Herbert Jones will be a game-time decision after hyperextending his elbow against Penn last week. Matt Zenitz | Mzenitz@al.com, al, 11 Nov. 2019 Starting center Hassan Whiteside hyperextended his left knee in the second quarter against the Thunder and, despite returning to play 13 minutes, 19 seconds in the second half, did not practice on Friday. Joe Freeman, oregonlive, 1 Nov. 2019 See More Word History
First Known Use
1883, in the meaning defined above
Medical Definition
hyperextend
transitive verb
hy·per·ex·tend ˌhī-pə-rik-ˈstend
: to extend so that the angle between bones of a joint is greater than normal
a hyperextended elbow
also : to extend (as a body part) beyond the normal range of motion