It makes a big difference if you have IK on for either feet or hands. With IK on for the legs, the feet will not move and so bending the leg does not give the right result. You can bend the legs by moving the hip. arms you use a combination of collar, shoulder and forearm movements, but not quite what you expect, depending on the model. Zero the figure pose using the joint editor and try a few trial moves of the shoulder, then forearm. Turn ik off for the legs if the feet are off the ground, it makes it easier to position using the thigh and shin dials. What figure are you using ?