Calcaneal petechiae is also called talon noir, or black heel. This condition is caused by pigmentation from extravasated red blood cells and is very similar to a bruise. It is caused by the stress of ...

Understanding the Context

Petechiae are tiny red, flat spots that appear on your skin. They are a sign of blood leaking from capillaries under your skin. Capillaries are the tiniest blood vessels that connect arteries to veins ... Petechiae are tiny, flat patches that occur due to bleeding under the skin.

Key Insights

They may look like a rash on a person’s skin. Petechiae typically appear red or purple on pale skin but may look brown on ... On the lateral side is commonly a tubercle called the calcaneal tubercle (or trochlear process). This is a raised projection located between the tendons of the peroneus longus and brevis. The superficial muscles in the posterior compartment of the lower leg (e.g., the gastrocnemius, plantaris, and soleus muscles) join at their inferior aspects to form the calcaneal tendon, or Achilles tendon, which attaches to the calcaneal tuberosity.

Final Thoughts

You can break your heel bone (calcaneal fracture) by doing repetitive movements that put pressure on your heel or by getting injured in a fall or vehicle accident.