An arthrokinematic motion - a movement in a particular direction (inferiorly, medially, etc) by turning over and over on axis, as a ball rolls across a field.  For example, the posterior roll of the humeral head in the glenoid fossa during external rotation of the humerus (when initiated from anatomical position).

Related Terms

  • Joint health
  • Joint dysfunction
  • Joint problems
  • External rotation
  • Glenoid fossa


  • Joint surface movement
  • Joint motion
  • Arthrokinetics
  • Roll