Which of the following for unlocking of knee?: (A) Navicular, (B) Calcaneum, (C) Talus, (D) Cuboid
Answer is C. Ans. C. Talusa. Talus has no muscle attachment.b. Talus also has a precarious blood supply because blood enters it distally ie. Retrograde blood supply.c. Remember incus in ear also has no muscle attachment.