Question: Which of the following statements are correct about types of joints in the human body? (1) The elbow joint allows movement in one plane only (ii) The ball-and-socket joint allows movement in three planes (iii) The knee joint allows movement in two planes (iv) The pivot joint is found in the neck and allows rotation a. (1), (ii), and (iv) only Ob. (ii), (in), and (iv) only Oc. (i), (11), and (i) only Od. (i), (ii), (ii), and (iv). Need Assignment Help?