Anatom3DInterphalangeal joints of hand
Articulationes interphalangeae manus · Mezičlánkové klouby ruky
Joints & cartilage
Looks like
The hinge joints between the finger bones: two in each finger (middle and end joints), one in the thumb.
What it does
Bend and straighten the fingers.
Keeping it well
Bony knobs on the end joints (Heberden's nodes) are typical of osteoarthritis. Dislocations should be reduced and checked.