How to Test the Knee Jerk Reflex

Beginner 15 min 7 steps 22640 views Rating: 4.9/5 Published: 2026-06-25

Sit on the edge of a bed or table with your legs dangling.. Tap the spot right below your kneecap with the side of your hand.. Watch for your lower leg to kick forward slightly.

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Steps

1

Sit on the edge of a bed or table with your legs dangling.

Step 1

Sit on the edge of a bed or table with your legs dangling.

2

Tap the spot right below your kneecap with the side of your hand.

Step 2

Tap the spot right below your kneecap with the side of your hand.

3

Watch for your lower leg to kick forward slightly.

Step 3

Watch for your lower leg to kick forward slightly.

4

See your doctor if you're concerned about a neurological problem.

Step 4

See your doctor if you're concerned about a neurological problem.

5

Talk to your doctor about your health history.

Step 5

Talk to your doctor about your health history.

6

Let them test all your deep tendon reflexes.

Step 6

Let them test all your deep tendon reflexes.

7

Consent to other tests to determine the source of the problem.

Step 7

Consent to other tests to determine the source of the problem.

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