Definición de ball-and-socket joint en inglés:

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ball-and-socket joint

Pronunciación: /ˌbɔːləndˈsɒkɪt ˌdʒɔɪnt/

sustantivo

Imagen de ball-and-socket joint
A natural or manufactured joint or coupling, such as the hip joint, in which a partially spherical end lies in a socket, allowing multidirectional movement and rotation.
Oraciones de ejemplo
  • The hip joint is a ball-and-socket joint because the spherical head of the femur moves inside the cup-shaped acetabulum.
  • The ball-and-socket joints in your shoulders allow your arms to move in a circular motion next to your body, a semicircular motion away from your body and through all the planes in between.
  • ‘The rotator cuff is the ball-and-socket joint of your shoulder, and it's made up of four muscles,’ says Kevin O'Leary, D.C.
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