A "Y"-shaped ridge that surrounds the concha and lies inside the helix. It corresponds to the musculoskeletal system of the trunk and torso of the body and the lower extremity.

Tail of the antihelix

The lower third. Narrower. It ends at the antitragus. Corresponds to the cervical vertebrae and the throat.

• AH 1: Cervical vertebrae.
• AH 8: Neck. Thyroid.

Body of the antihelix

The middle third of the antihelix, wider. Corresponds to the thorax, abdomen and thoracic vertebrae.

• AH 2: Cervical vertebrae.
• AH 3: Upper thoracic vertebrae.
• AH 4: Lower thoracic vertebrae. Lumbar vertebrae. Abdomen.
• AH 9: Clavicle. Scapula.
• AH 10: Chest and ribs. Thorax. Breasts. Pectorals.
• AH 11:

Superior branch of the antihelix

From the bifurcation, the superior branch ascends toward the upper part of the ear. Corresponds to the lower limbs:

• AH 12: Hip.
• AH 13:
• AH 14: Knee.
• AH 15: Thumb.
• AH 16: Heel. Ankle.
• AH 17: Toes

Inferior branch of the antihelix

The horizontal branch that extends toward the face. It borders the upper concha. Corresponds to the lumbosacral region, sciatica and buttocks.

• AH 5: Upper lumbar. Buttocks
• AH 6: Lower lumbar. Sciatic nerve. Ischium.
• AH 7: Sacrum.