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Hyperextensible finger joints (range of motion: beyond normal)

Prevalence in general population (GP): present in a small minority [~5% | 1:1 | weight: 1.00]


Most likely diagnostic options for hyperextensible finger joints - not to be confused with double-jointed thumbs (listed order of conditions below is made according overall statistical chance to find this hand sign combined with the condition):

- ASSOCIATED MEDICAL CONDITIONS:

trisomy 21 (= Down syndrome) [~80% | 1:700 | weight: 0.02]
fragile-x syndrome [~60% | 1:4.000 | weight: 0.003]
cri-du-chat syndrome [~?% | 1:30.000 | weight: ?]


- ASSOCIATED PSYCHOLOGICAL CONDITIONS:

(Unknown)

[1st figure = prevalence hand sign in condition | 2nd
figure = prevalence condition in GP | 3rd figure =
estimated weight hand sign for condition relative
to GP (>1,00 = high impact)]
Example of hyperextensible finger joints: beyond normal range of motion.

Quick summary:
hyperextensible finger joint is a relatively common condition that is present in a small minority of the general population; the condition is especially frequently present in trisomy 21 & fragile-x syndrome.

[For every 100 hyperextensible finger joints cases in the general population (GP) there are 23 trisomy 21 cases with hyperextensible finger joints, etc.]


NOTICE: Keep in mind that every single hand sign always bares the potential
to have an association with multiple psychology- and/or health related themes;
a solid assessment always requires a consideration of hand sign combinations!


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