1. Articulations of the Pelvis

2. Three Joints
Sacroiliac joint
Sacroischial joint
Sacrococcygeal joint

3. Sacroiliac joint Class of joint Type of joint
Diarthrodial – freely moveable
Type of joint
Gliding type synovial joint

6. Ligaments of the Sacroiliac Joint
Anterior Sacroiliac ligament
Posterior Sacroiliac ligament
Interosseous ligaments
Located within the joint
Very strong ligaments
Iliolumbar ligaments

9. Sacroischial Joint Class of joint Type of Joint
Amphiarthrodial joint – slightly moveable
Type of Joint
Fibrous, non-synovial joint
Syndesmosis

10. Ligaments of the Sacroischial Joint
Sacrotuberous ligament
Sacrospinous ligament
Ligaments form boarders of greater and lesser sciatic foramen

11. lig

12. 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