What is the definition of Spin?

Spin: An arthrokinematic motion that is the rotational movement of a bone around a single axis. Analogous to the way a top or dreidel "spins" on a tabletop. For example, a posterior spin of the femoral head in the acetabulum during hip flexion.


Related Terms

  • Osteokinematic motion
  • Joint mobilization
  • Joint stability
  • Arthrokinematic motion
  • Joint congruence
  • Joint injury
  • Roll
  • Slide
  • Translation
  • Compression
  • Distraction
  • Traction


  • Joint rotation
  • Bone spinning
  • Arthrokinetics
  • Arthrokinematics
  • Twist

Related Courses

  • More on the Human Movement Systems: Introduction to Functional Anatomy.
  • Hip (Pelvifemoral) Joint
  • Knee (Tibiofemoral and Patellofemoral) Joint
  • Sternoclavicular, Acromioclavicular and Scapulothoracic Joints