21. If we can show that certain surfaces minimize hyperextension , they should minimize catastrophic injuries ." 22. This injury is usually caused by a twisting or a hyperextension of the knee, Ramsay said. 23. McKie ( scratched right eye ) and forward Derrick Coleman ( left knee hyperextension ) also missed practice. 24. An MRI revealed the hyperextension and a radial deviation of the wrist, causing considerable pain and tenderness. 25. When hyperflexion and hyperextension occur suddenly in combination with this viscoelastic behavior, the PCL deforms or tears. 26. It is intimately connected with the joint capsule, and serves to strengthen the joint by resisting hyperextension . 27. Test revealed that Santana has a high grade sprain of his LCL and a hyperextension of his left knee. 28. Many people at this point extend to the point of a hyperextension and curve their backs beyond typical straightness. 29. After perceived ball contact, the hips continue to rotate along with continue extension towards hyperextension of the elbow. 30. The ACL is the primary stabilizing ligament within the knee joint that prevents hyperextension and excessive rotation of the joint.