Bassett Collection of Stereoscopic Images of Human Anatomy
Dissection of thoracic and lumbosacral regions of back from a posterior approach
Rotator, interspinal and intertransverse muscles in lumbar region
Image #214-5
KEYWORDS: Lumbar region, Muscles and tendons, Sacral region, Thoracic region, Vertebral column.
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Dissection of thoracic and lumbosacral regions of back from a posterior approach
Rotator, interspinal and intertransverse muscles in lumbar region
The erector spinae and multifidus muscles have been nearly completely excised from the lumbar region.
- Medial intertransverse muscle
- Lateral intertransverse muscle (several fascicles present)
- Dorsal branch thoracic nerve XII
- Rib XII
- Aponeurosis transversus abdominis muscle
- Thoracolumbar fascia (upper pointer, middle layer; lower pointer, posterior layer, cut off)
- Transversus abdominis muscle
- Quadratus lumborum muscle (covered by thoracolumbar fascia)
- Upper pointer: Longissimus muscle Lower pointer: Iliocostalis lumborum muscle
- Iliac crest
- Superior cluneal nerves
- Gluteus medius muscle
- Gluteus maximus muscle
- Posterior superior iliac spine
- Spinous process vertebra L. II
- Intervertebral joint capsule
- Interspinalis lumborum muscle
- Transverse process of vertebra L. IV
- Thoracolumbar fascia (posterior layer)
- Rotator muscles
- Spinous process vertebra L. V
- Upper pointer: Lamina (arch of vertebra) L. V Lower pointer: Intervertebral joint capsule L. V - S. I
- Arch sacrum