Canadian Academy of Osteopathy - sacrum (n.) L bone at the base of the spine, 1753, from Late Latin os sacrum "sacred bone," from Latin os "bone" (see osseous) + sacrum, neuter
The Sacrum - Landmarks - Surfaces - Relations - TeachMeAnatomy
The Sacrum - Landmarks - Surfaces - Relations - TeachMeAnatomy
The Pelvis Dilemma in Yoga : Is Your Sacrum Safe? | The Yoga Therapy Institute