- Hand Reading Course (8/33): DISEASES -

- Another important aspect of the palm concerns the dermatoglyphic axial triradius - this triradius is usually observed on the ulnar side of the palm near the wrist. In the hands of people with an 'autosomal trisomy' the axial triradius is usually observed at a higher region of the ulnar side of the palm1-2: see figure B-1.

- Figure B-1: the average AtD-angle in
autosomal trisomy syndromes.

AtD-angle in trisomy disorders

- A third palmar aspect with stereotype features concerns the progression of the dermatoglyphic line starting from the palmar triradius below the index finger. In the scientific vocabular this dermatoglyphic line is usually refered as the 'A-line'.

- Usually the A-line ends at the ulnar side of the palm (below the little finger): see figure B-2a. However, a high positioned axial triradius is frequently accompagnied with an unusual progress of the A-line directed towards the wrist (figure B-2b) or towards the little finger (figure B-2c). For a high positioned axial triradius appears to 'block' the progress of the A-line towards the ulnar side of the palm.

- Dermatoglyphics: ordinary axial triradius and ordinary a-line Dermatoglyphics: high positioned axial triradius + a-line Dermatoglyphics: slightly high positioned axial triradius + slightly high a-line

Figure B-2: the relationship between the position of the axial triradius and the A-line.

- Sources:

- 1 - Schaumann, B. & Alter, M. Dermatoglyphics in Medical Disorders. Springer-Verlag, New York., 1976.
- 2 - Loesch, D.L. Quantitative Dermatoglyphics: Classification, genetics, and pathology. Oxford Medical Publications, 1983.

- March 2016 update -

A brand new masterclass mini-course in scientific hand reading is available:

Decoding The Language of The Hand:
how to find 36 conditions with just 54 major hand signs!


- Hand Reading Course -


Hand reading synonyms:

palmistry - palm reading - hand analysis - chirology - chiromancy - chirognomy

Martijn van Mensvoort - Hand Research

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