Lab 9 - Image 3
The iliocostalis system (1) and the longissimus system (2) fuse (asterisk) in the lumbar region (3). The transversospinalis system (4) has been exposed (5) in the lumbar region (multifidus lumborum). A tail muscle, sacrocaudalis dorsalis lateralis m. (6), extends into the lumbar region. Notice the middle gluteal m. (7).