Articulations of the Pelvis
Three Joints Sacroiliac joint Sacroischial joint Sacrococcygeal joint
Sacroiliac joint Class of joint Type of joint Diarthrodial – freely moveable Type of joint Gliding type synovial joint
Ligaments of the Sacroiliac Joint Anterior Sacroiliac ligament Posterior Sacroiliac ligament Interosseous ligaments Located within the joint Very strong ligaments Iliolumbar ligaments
Sacroischial Joint Class of joint Type of Joint Amphiarthrodial joint – slightly moveable Type of Joint Fibrous, non-synovial joint Syndesmosis
Ligaments of the Sacroischial Joint Sacrotuberous ligament Sacrospinous ligament Ligaments form boarders of greater and lesser sciatic foramen
lig
Sacrococcygeal Joint Class of Joint Type of Joint Amphiarthroidial Type of Joint Secondary cartilaginous joint between the sacrum and the first coccygeal vertebrae Symphysis – fibrocartilaginous cushion between the bone Ligaments – anterior and posterior sacrococcygeal ligaments