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Image Based Question – 66400

Question

Identify the test as shown in the picture below ?

A. Square window test.

B. Triangle test.

C. Cone test.

D. None.

 

Show Answer

Correct Answer » A

Explanation

Square window test- The position for assessing the square window is shown in the picture above.

  • The 45degree angle seen between the palm and forearm is consistent with a gestational age of 30 to 32 weeks.
  • The square window test of the wrist is performed by gently flexing the hand on the wrist and assessing the resultant angle.
  • The wrists of babies younger than approximately 32 weeks can be flexed only to 45 to 90 degrees, whereas the wrists of term infants undergo full flexion.
  • Sometime between birth and adulthood this flexion ability is lost.
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