• Posterior-anterior(PA) pressure Puffin for measuring and treating spinal stiffness: Mechanism and repeatability.

      Björnsdóttir, Sigrún Vala; Guðmundsson, Geir; Auðunsson, Guðjón Atli; Matthíasson, Jón; Ragnarsdóttir, María; [ 1 ] Univ Iceland, Fac Med, Dept Phys Therapy, Reykjavik, Iceland [ 2 ] Innovat Ctr Iceland, Reykjavik, Iceland [ 3 ] Landspitali, Reykjavik, Iceland (Churchill Livingstone, 2016-04)
      Posterior-anterior (PA) pressure technique is widely used for assessing and treating spinal segments. PA pressure is manually applied and stiffness is subjectively assessed. The method has been deemed unreliable and is associated with occupational strain.