interphalangeal

/ˌɪntərfəˈlændʒiəl/
adjective
  1. Relating to the joints between the bones of the fingers or toes.
    • The doctor examined the interphalangeal joints of her fingers for signs of arthritis.
    • Interphalangeal flexibility is important for activities like typing and playing musical instruments.
    • He injured an interphalangeal ligament while playing basketball.