Lateral view of the abdominal region illustrating the rectus abdominis muscle and its bony attachments. Muscles on both sides of the linea alba are shown.

Posterior view of the ligaments of the lumbar spine and pelvis.

Posterolateral view of woman seated in wheel chair.

Anterior view of the hip and lower back region illustrating the quadratus lumborum muscle and its bony attachments.

Posterior view of the hip and lower back region illustrating the quadratus lumborum muscles and its bony attachments. Muscles are shown on both sides of spine.

Anterior view showing the ligaments of the lumbar spine and pelvis, including the head of femur (joint capsule removed).

Anterior view of the abdominal region illustrating the internal (right) and external (left) abdominal oblique muscles and their bony attachments.

Anterior view of the abdominal region illustrating the external abdominal oblique muscle and its bony attachments.

Anterior view of the abdominal region illustrating the rectus abdominis muscle and its bony attachments. Muscles on both sides of the linea alba are shown.

Anterior view of the abdominal region illustrating the internal abdominal oblique muscle and its bony attachments. Both sides of muscle are shown.

Posterior view of the abdominal region illustrating the rectus abdominis (left) and transversus abdominis (right) muscles and their bony attachments.

posterior view of the abdominal region illustrating the internal (left) and external (right) abdominal oblique muscles and their bony attachments.

Lateral view of the sacrum and coccyx.