The posterior layer covers the loin and continues upwards on the back of the thorax and the neck while middle and the anterior layers are confined to the lumbar region.
The posterior layer covers the loin. Middle are confined to the lumbar region. The anterior layers are confined to the lumbar region. The posterior layer continues upwards on the back of the thorax. The posterior layer continues upwards on the back of the neck. Middle are confined to the lumbar region. The anterior layers are confined to the lumbar region.