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Determining Age using Bones

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Presentation on theme: "Determining Age using Bones"— Presentation transcript:

1 Determining Age using Bones

2 Epiphysis – end of long bone
Epiphysis line-growth plate Fused – bones joined together

3 X-ray of Bone Growth

4 What to Look For? If the person is young:
*Length of the bones (height) *Growth plate (epiphyseal line) Different bones fused at different times in our lives *Status of the teeth

5 Young or Old?

6 What to Look For? In people over 20:
Epiphysis on sternal end of clavicle is last epiphysis to fuse at approximately 30 years

7

8 What to Look For? Over 30: Look for deterioration Less dense bones
More porous bones Normal X-ray Osteoporosis X-ray

9 Best Bone for Age? The pelvis!

10 Ischium and Pubis Ischium and pubis are almost completely united (7-8 years)

11 Ileum, Ischium and Pubis
Ileum, ischium and pubis are joined together (13-14 years) Ileum, ischium and pubis fully ossified (no epiphyseal unions) (20-25 years)

12 Sacrum Two lowest segments of sacral vertebrae are joined together (18 years) All segments of sacrum are united (25-30 years)

13 Back View of Sacrum

14 Head and Tuberosities Head and tuberosities are more defined at birth and join to become one epiphysis (6 years)

15 Condyles Radial head, trochlea and external condyle blend to unite with shaft (16-17) Internal condyle unites with shaft (18)

16 Upper Epiphysis Upper epiphysis unites with shaft (20)

17 Changes in Femur Parts of the Femur

18 Trochanters Greater trochanter appears at age 4
Lesser trochanter appears at ages 13-14 Head, greater and lesser trochanters join the shaft at age 18

19 Condyles Condyles join shaft at age 20


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