. Cunningham's Text-book of anatomy. Anatomy. SACROILIAC JOINT. 335 (c) Those by which the sacrum articulates with the last lumbar vertebra (Lumbo-sacral joints); (d) Those by which the hip bones are attached to the vertebral column (Sacro-iliac joints); (e) That by which the hip bones are attached to each other (Symphysis pubis). ARTICULATIONES SACROLUMBALES. Lumbo-sacral Joints.—The articulation of the sacrum with the fifth lumbar vertebra is constructed precisely on the principle of the articulations between two typical vertebra?, and the usual ligaments associated with such joints are repe
. Cunningham's Text-book of anatomy. Anatomy. SACROILIAC JOINT. 335 (c) Those by which the sacrum articulates with the last lumbar vertebra (Lumbo-sacral joints); (d) Those by which the hip bones are attached to the vertebral column (Sacro-iliac joints); (e) That by which the hip bones are attached to each other (Symphysis pubis). ARTICULATIONES SACROLUMBALES. Lumbo-sacral Joints.—The articulation of the sacrum with the fifth lumbar vertebra is constructed precisely on the principle of the articulations between two typical vertebra?, and the usual ligaments associated with such joints are repeated. There is, however, an additional accessory ligament, termed the lateral lumbo-sacral ligament. This extends from the anterior aspect of the inferior border of the transverse process of the last lumbar vertebra, downwards and slightly laterally, to the front of the lateral aspect of the ala of the sacrum, close to the sacro- iliac joint. Further, a variable membranous band extends between the lateral aspect of the inferior part of the body of the last lumbar vertebra and the front of the ala of the sacrum. This band lies in front of the anterior ramus of the fifth lumbar nerve. ARTICULATIO SACROILIACA. Each hip bone articulates with the sacral section of the vertebral column on each side through the intervention of a diarthrosis, termed the sacro-iliac joint. Sacrum Greater sciatic foramen Posterior sacro-iliac ligament Sacro-iliac joint Sacro-tuberous ligament Sacro-spinous igament. Lesser sciatic foramen Acetabulum Sacro-tuberous ligament Interpubic fibro-cartilage Fig. 313.—Frontal Section of Pelvis. This joint is formed between the contiguous auricular surfaces of the sacrum and ilium. Each of these surfaces is more or less completely clothed with hyaline articular cartilage. The joint cavity, which is little more than a capillary interval, may be crossed by fibrous Please note that these images are extracted from scanned page images that may have been digi
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