Outdated Medical Advice Medicine
BUSTED Comprehensively false

Some people are 'double-jointed' with extra joints

Flexibility is from loose ligaments, not extra joints

✗ The myth everyone repeats

Some people are 'double-jointed' and have extra joints in their fingers or limbs.

✓ What is actually true

No one has extra joints. 'Double-jointed' refers to hypermobility from loose ligaments and tendons. The same number of joints are present; connective tissue is just more elastic.

Believed 1900–2010
Year Revised 2005
Why Changed Misattribution
Confidence Fully Debunked
Region Worldwide

Reception

7/10
6/10
The receipts 2 sources
  1. Hypermobility JointsPRIMARY
  2. Joint Ligament LaxityREFERENCE

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