Osteoarchaeology Part 7: Pelvic Girdle

with Dr Jess Beck (UCD)

Pelvis/Pelvic Girdle (image ID)

(red zone)

Os Coxae/Innominate (x2)

(yellow zone)

Sacrum

(blue zone)

Coccyx

(pale blue zone)

Acetabulum, Os Coxae (lateral)

(green zone)

Lunate surface (of the Acetabulum), Os Coxae

(red line zone)

Obturator foramen, Os Coxae (anteriorly oriented)

(beige zone)

Ilium, Os Coxae

(yellow zone)

Articular Surface, Ilium, Os Coxae

The Articular Surface of the Os Coxae, Ilium, articulates with:

Sacrum (articulation point)

(teal zone)

Iliac Crest, Os Coxae

(blue/purple zone)

Pubic Symphysis, Os Coxae

(purple zone)

Ischium, Os Coxae (posterior, inferior)

(red zone)

Pubis, Os Coxae (anterior, inferior)

(orange zone)

Greater Sciatic Notch, Os Coxae (posterior)

(pink zone)

Posterior Inferior Iliac Spine, Os Coxae

(dark blue zone)

Posterior Superior Iliac Spine, Os Coxae

(light blue zone)

Anterior Superior Iliac Spine, Os Coxae

(green zone)

Anterior Inferior Iliac Spine, Os Coxae

(teal zone)

Ischial Tuberosity, Os Coxae

Sacrum (image ID)

(red zone)

Promontory, Sacrum (analogous to vertebral body)

(blue zone)

Superior Articular Facets, Sacrum

(yellow zone)

Sacral Canal, Sacrum (analogous to vertebral foramen)

(orange zone)

Alae, Sacrum

(pink zone)

Articular Surfaces of the Sacrum

(green zone)

Transverse Lines, Sacrum

(purple zone)

Median Crest, Sacrum (posterior)

The Promontory of the Sacrum articulates with:

The body of L5 vertebra (articulation point)

The Articular Surfaces of the Sacrum articulates with:

The Articulate Surface of the Os Coxae (Ilium) (articulation point)

The Superior Articular Facets of the Sacrum articulate with:

The Inferior Articular Facets of the L5 vertebra (articulation point)

The most inferior point of the Sacrum articulates with:

The most Superior point of the Coccyx (articulation point)

The multiple pairs of holes along the Sacrum are called:

Sacral Foramen

Coccyx (image ID)

(yellow zone)

Coccygeal Cornua, Coccyx

The Acetabulum of the Os Coxae articulates with the:

Head of the Femur (articulation point)

The Head of the Femur articulates with:

The Acetabulum of the Os Coxae (articulation point)