Question

Describe the function of the atlas and what movement is allowed by the articulation with the occipital condyles.

Describe structure of and the movement allowed by the articulation of the axis and atlas.

Identify which bones compose the pectoral and pelvic girdles. Identify which bones make up the pelvis.

Describe the major differences between the male and female pelvis.

Answer 1

Function of atlas is to support the skull and it is a joint between skull and spine. The movement associated with atlas and articulation with occipital condyles is the rotation movement of head along with the nodding.

The joint of atlas and axis is a type of pivot joint. Their function is to turn head from one side to another.

Bones in pectoral girdle include scapula and clavicle.

Bones in pelvic girdle include ischium, ilium and pubis.

Bones in pelvis are saccrum and coccyx.

Differences between male and female pelvis are:

I. Pelvis in female is large and wider as compared to male pelvis.

II. In male iliac crest is high as compared to females pelvis.