title: Effects of two different degrees of lateral-wedge insoles on unilateral lower extremity load-bearing line in patients with medial knee osteoarthritis.
abstract: OBJECTIVE
  The aim of this study is to assess the effect of 5 and 10° lateral-wedge insoles on unilateral lower extremity load carrying line in patients with medial knee osteoarthritis using the L.A.S.A.R. posture alignment system.
  
  
  METHODS
  Twenty subjects (10 females and 10 males, mean age 67.7 ± 5.4 years (range: 58-78) with bilateral medial knee osteoarthritis were included in the study. The laser line projected on the person by the L.A.S.A.R. posture alignment system showed joint load carrying line. The location of the joint load carrying line in static standing with one foot on the force plate was assessed with barefoot, and 5° and 10° lateral-wedge insoles. Displacement of the load carrying line was measured using a ruler placed tangentially to the patella at the level of joint line.
  
  
  RESULTS
  The load carrying lines measured with 5° and 10° lateral-wedge insoles were significantly laterally located compared to that without wearing insole (p < 0.001). 10° lateral-wedge insole caused a significant more lateral shifting of the load carrying line than 5° lateral-wedge insole (p < 0.001).
  
  
  CONCLUSIONS
  Both wedge insoles was effective in moving of the unilateral lower extremity load carrying line to the lateral. Lateral wedged insoles are biomechanically effective and reduce loading of the medial compartment in patients with medial knee osteoarthritis.
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey.
authors.forename: Bilge
authors.initials: B
authors.lastname: Yılmaz
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey. Electronic address: serdarkb@gmail.com.
authors.forename: Serdar
authors.initials: S
authors.lastname: Kesikburun
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey.
authors.forename: Ozlem
authors.initials: O
authors.lastname: Köroğlu
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey.
authors.forename: Evren
authors.initials: E
authors.lastname: Yaşar
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey.
authors.forename: Ahmet Salim
authors.initials: AS
authors.lastname: Göktepe
authors.affiliation: Gülhane Military Medical Academy, Department of Physical Medicine and Rehabilitation, Turkish Armed Forces Rehabilitation Center, Ankara, Turkey.
authors.forename: Kamil
authors.initials: K
authors.lastname: Yazıcıoğlu
mesh_terms: D000368:Aged; D001696:Biomechanical Phenomena; D005260:Female; D061826:Foot Orthoses / Q000145:classification*; D005684:Gait; D006801:Humans; D035002:Lower Extremity; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000534:rehabilitation*; D011187:Posture; D012775:Shoes; D016474:Weight-Bearing
keywords: Knee biomechanics; L.A.S.A.R. posture; Lateral-wedge insoles; Osteoarthritis