II. Indication

III. Exam: Measurement

  1. Extend both hands outward (each arm abducted to 90)
  2. Measure finger tip to Finger tip

IV. Interpretation: Normal results

  1. Children: Arm Span is 1 cm shorter than height
  2. Adolescent: Arm Span is same length as height
  3. Adult: Arm Span exceeds height by more than 5 cm
  4. Longer Arm Spans
    1. Boys
    2. African american descent

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