The "heel tap test" doesn't have a single definition; its meaning depends on the context. Several medical and diagnostic tests utilize a heel tap or similar action.
Heel Tap Test for Appendicitis
One use of a heel tap, often called the heel-jar test or Markle sign, assesses for appendicitis. This test involves the patient lying supine while the examiner firmly taps the heel of the patient's elevated right leg. A positive test, indicating potential appendicitis and localized peritonitis, elicits pain in the abdomen. [Source: Heel tap sign, also called heel-jar or jar tenderness, is a clinical sign to identify appendicitis. It is found in patients with localized peritonitis. With the patient supine the right heel is elevated by 10-20 degrees is hit firmly with palm of the examiner's hand.]
Heel Tap Test for Neurological Assessment
Another heel tap test assesses neurological function, specifically lower limb motor coordination. In this test, the patient rapidly taps their toes on the floor while keeping their heel in contact with the ground. The speed and consistency of the tapping are observed to detect potential neurological issues, like those associated with Parkinson's disease. [Source: The patient is instructed to rapidly tap the floor with the toes while the heel is kept in touch with the ground. The test is positive if the speed and/or… (Stanford Medicine)]
Heel Thump Test for Ankle Injuries
A similar test, the heel thump test, evaluates syndesmosis injuries in the ankle. This involves tapping the heel to assess for instability in the ankle joint. [Source: The Heel Thump Test of the ankle is a common orthopedic test to assess for syndesmosis injuries at the ankle after inversion trauma.]
Other Uses
The term "heel tap" might also refer to other less common procedures or even refer to a small amount of remaining liquid in a glass. The context of its use is critical for accurate understanding.
