Paediatric examination. Image 13 of 14. Doctor checking a young girl's reflexes. She is using a reflex hammer to gently hit the patellar tendon, which is just below the child's knee. This is intended to trigger an involuntary muscle contraction that will move the girl's lower leg. Such a response is called a nervous reflex. The absence of such a response may indicate damage to nerves, muscles or tendons. For a sequence of images showing a paediatric examination, see M825/831-843.
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