Across
- 2. a triangular bone made up of 5 fused vertebrae
- 3. the middle muscle layer
- 5. your tailbone made up of 4 fused vertebrae
- 6. the innermost muscle layer
- 7. the outer abdominal muscle that bends your spine and body forward
Down
- 1. deep core muscle that stabilizes your lower back (lumbar spine)
- 4. the outermost muscle layer