PhysioCare Inc. - Physiotherapy Clinic promoting Optimal Health in Barbados - When your knee goes too far back or goes so straight that it bends backwards this is known as hyperextension. When
6 Exercise Tips to Fix Knee Hyperextension - nCounters Engineering
Joint Hypermobility Syndrome | Treadmills and Chocolate
Hyperextension of the Knee | We Treat Children with this Condition
I Hyperextend My Knees: Is This Bad? (Probably Not.)
Why can I bend my knees backwards? - Quora
Um hey, Scientific American? Bird knees bend the same way as everyone else.Dr. Scott Hartman's Skeletal Drawing.com