Ossifications of LE

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xbecx10
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277302
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Ossifications of LE
Updated:
2014-06-21 16:21:52
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LEA boards Ossification TUSPM
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Ossification dates
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  1. Tibia – Ossifications

    Primary____
    2nd Proximal___
    2nd Distal___
    • primary ossification is 8w i.u
    • Secondary proximal is birth
    • Secondary distal is 1 year.
  2. Tibia-- Fusion
    • Proximal Fusion 15-18 years
    • Distal Fusion 14-17 years
  3. Fibula– Ossifications

    Primary____
    2nd Proximal___
    2nd Distal___
    • Primary ossification 8w i.u
    • Secondary proximal 3-4 yr
    • Proximal fusion 17-19 yrs
  4. Fibula-- Fusions
    • Proximal fusion: 17-19 years
    • Distal Fusion: 15-17 years
  5. Talus
    • 6 months IU
    • Smetimes a secondary center @ lateral tubercle of the posterior process= OS TRIGONIUM
  6. Calcaneous
    • Primary= 3 mo IU
    • Secondary ( calcaneal epiphysis; thin cartilage at posterior calcaneal tuberosity) = 6-8 years
  7. Calcaneous fusion
    14-17 years old
  8. Calcaneous figures
    • Calcaneal tuberosity(on plantar surface) has medial and lateral processes with the medial process being larger.
    • Anterior tubercle on plantar surface.
  9. Cuboid
    birth- 6 months
  10. Accessory sesamoid in the tendon of PL
    • OS PERONEUM
    • A/w cuboid
  11. where is the tuberosity of the cuboid?
    lateral end of the promontory of the cubiod
  12. Where is the calcaneal process of the cuboid?
    inferior posterior medial surface
  13. NAvicular
    • LAST TO OSSIFY
    • late 3rd year of life
  14. Accesory BONE of the navicular
    os tibiale externum
  15. location of calcaneal process of the navicular
    posterolaterally on the inferior surface
  16. medial cuneiform
    2 years
  17. tuberosity of the medial cuneiform location
    inferior surface posteriorly
  18. facet on the medial cuneiform
    Inverted L shaped
  19. Medial cuneiform articulates with...
    • navicular
    • intermediate cuneiform
    • first met
    • 2nd met
  20. Intermediate cuniform
    early 3rd year
  21. Intermediate cuneiform articulates with
    • navicular
    • medial cuneiform
    • 2nd met
  22. Lateral cuneiform
    1 year
  23. lateral cuneiform articulates with with mets?
    2,3,,4
  24. Metatarsals 2-4 ossification
    9 weeks
  25. Metatarsals 1, 5 ossification
    10 weeks
  26. secondary center for the first met at the base
    3rd year
  27. ossification of 2-5 met heads
    3-4 years
  28. metatarsal fusion
    17- 20 yrs
  29. Distal Phalnagse
    • 9- 12 wks IU
    • 1> 2>3>4>5
  30. Middle Phalanges
    • Shaft 15th week IU
    • 2>3>4>5
  31. proximal phalanges
    • hallux 11th week IU
    • 2-4: 12-14 wks
    • 5th: 15th week
  32. Sesamoids in FHByears
    10-12 
  33. Base ossification of all phalanges
    2-8 years
  34. FUsion of all phalanges
    15-18 years
  35. Femur primary ossification
    7 wk IU
  36. Femur order of 2nd ossifications
    • 1. Distal
    • 2. Head
    • 3. Greater Troch
    • 4. Lesser Troch
  37. Femur order of fusions
    LT>GT>D>H
  38. Secondary Centers of ossification of the femur
    • 1. Distal= 9 month IU
    • 2. Head= 6 mo
    • 3. Greater Troch= 4th
    • 4. Lesser Troch= 11-14 years
  39. Fusion of hip
    • 1. LT = 18
    • 2. GT = 18-19
    • 3. head= 20-22
    • 4. condyles= 20-22

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