II. Indications

  1. Growth Assessment
  2. Differentiates collagen bone disease (skeletal dysplasia) from primary spine (e.g. Scoliosis)

III. Technique: Measurement

  1. See Sitting Height for an alternative method of calculating segment heights
  2. Lower segment: Top of pubic symphysis to floor
  3. Upper segment: Top of head to top of pubic symphysis
    1. Calculation: TotalHeight - LowerSegmentHeight

IV. Interpretation: Normal upper to lower ratio

  1. Birth upper to lower ratio: 1.70 (Greatest ratio)
  2. Postpuberty upper to lower ratio: 0.89 - 0.95

Images: Related links to external sites (from Bing)

Related Studies (from Trip Database) Open in New Window