The radius and humerus join laterally to form the pivot joint of the elbow, which allows the radius to pivot around the ulna for
◻
movements such as
q,
and
q,
. The pelvis has two pelvic bones, each having three parts: ilium, ischium, and pubis. The ilium articulates posteriorly and medially with the sacrum to form what? The iliac crest is located at the level of the waist laterally and contours the superior perimeter of the pelvis. Name and identify the three important bony landmarks of the ilium for evaluating posture and for identifying muscles. The three parts of the pelvic bone intersect and form what? Name and identify the bony landmark that is located on the medial-distal end of the tibia and is important for evaluating leg lengths. The skeleton is a living system made up of 206 bones. List the functions of the skeleton.