The helix fold. Hollow or valley between the helix and the antihelix. Corresponds to the upper limb. If you divide it into three parts, the lower third is the shoulder, the middle third arm and elbow, the upper third the hand and fingers.
- FE 1: Clavicle, .
- FE 2: Shoulder joint.
- FE 3: Shoulder.
- FE 4: Elbow.
- FE 5: Wrist. Urticaria.
- FE 6: Hand. Fingers of the hand.