Pelvis Bone

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

The pelvis refers to a bony ring made up of the two innominates and the sacrum¹.

Functions

The pelvis has 3 main functions:

1. Serve as a common attachment point for muscles¹
2. Transmit BW forces when in standing or sitting¹
3. Support the organs via the pelvic floor¹

Muscular attachments

The pelvis serves as a common attachment point for muscles¹

BW transmission

The pelvis transmits the weight of the upperbody and trunk when in sitting or standing¹. When in sitting, the load is primarily transmitted through the ischial tuberosities¹. When in standing, the forces from one’s bodyweight is transmitted through the pelvis to the lower extremity¹.

Support the organs

The pelvis, along with the pelvic floor musculature and connective tissue serves to support organs involved in bowel, bladder, and reproductive function¹.

References

1.

Neumann DA, Kelly ER, Kiefer CL, Martens K, Grosz CM. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed. Elsevier; 2017.