Fill in the Blanks Hip and Pelvis ReviewOnline version Review of that anatomy of the hip. by Courtney BEALL 1 femoroacetabular symphysis joint pubic and joint pelvis socket joint sacroiliac ball hip chiropractor The femur attaches to the pelvis at the . This is commonly known as the . This joint is a joint meaning that it is freely movable . The combines the sacrum and the ilium . This joint is not freely movable , but can be adjusted by a . The is the only joint directly connecting the two bones of the .