Lower extremity• 1. Coxal (pelvic girdle)- What bones make up the Acetabelum? Pubis, ilium, and ischium. (1)• How can an anthropologist tell the difference between a male and female? Males have a narrower pelvic inlet while females have a more open, circular inlet. Males have a narrower sciatic notch and females have a broader sciatic notch.
Spinal Column• Cervical vertebrae (how many) - Atlas, Axis: there are 7 cervical vertebrae, the cervical vertebrae are one of 7 vertebrae in the human spine located in the neck region. Atlas: is the cervical vertebra 1 (C1) and the axis is the Cervical Vertebrae 2 (C2).• Thoracic vertebrae (how many) - there are 12 thoracic vertebrae. The Thoracic Vertebrae are each of the twelve bones of the backbone to which the ribs are attached.• Lumbar vertebrae (how many) – there are 5 lumbar vertebrae in the body. The lumbar Vertebrae are one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae.• Sacrum: There is only one Sacrum. The Sacrum is the triangular bone in the lower back situated between the two hipbones of the pelvis.• Coccyx: There is only one Coccyx. The Coccyx is the small, triangular bone at the base of the spinal column on the bottom of the sacrum in humans and some apes, formed of fused vestigial vertebrae.