Fryettes laws Flashcards
Law 1
When the spine is in neutral, side bending to one side will be accompanied by horizontal rotation to the opposite side
This law is observed by type 1 somatic dysfunction, where more than one vertebrae are out of alignment and cannot be returned to neutral by flexion or extension of the vertebrae
When the spine is neutral, side bending forces are applied to a group of typical vertebrae and the entire group will rotate toward the opposite side
Extreme type 1 dysfunction is similar to scoliosis
OA and C1-C2
Law 2
When the spine is in a flexed or extended position, sidebending to one side will be accompanied by rotation to the same side
C3-T4
third law
When motion is introduced in one plane it will modify (reduce) motion in the other 2 planes.