Patellofemoral morphometry in patients with idiopathic patellofemoral pain syndrome.
OBJECTIVE
To compare clinical and computed tomography (CT) measures in extension, 20 degrees and 30 degrees of flexion of symptomatic knees of patient with idiopathic patellofemoral pain syndrome with the contra lateral asymptomatic knee.


METHODS
Knees of 52 consecutive patients with idiopathic patellofemoral pain were studied with CT. In 28 patients this condition was unilateral and asymptomatic knee was used as control; 76 knees were symptomatic.


RESULTS
In patients with idiopathic patellofemoral pain we found a greater Q angle and internal condylar facet width in symptomatic knees with regard to asymptomatic knees.


CONCLUSIONS
Greater Q angle and medial condylar facet can lead to overpressure on the medial knee compartment during maneuvers that increase contact between patella and medial condylar facet, such as knee flexion and squatting, contributing to development of idiopathic patellofemoral pain.
del Mar Carrión Martín
María
M
Department of Rehabilitation, Hospital of Traumatology (Ciudad Sanitaria Virgen de las Nieves), Carretera de Jaén SN, 18014 Granada, Spain.
Santiago
Fernando Ruiz
FR
Calvo
Rocío Pozuelo
RP
Alvarez
Luis Guzmán
LG
D000293:Adolescent; D000328:Adult; D001175:Arthrography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D057071:Patellofemoral Joint / Q000000981:diagnostic imaging*; D046788:Patellofemoral Pain Syndrome / Q000000981:diagnostic imaging*; D016059:Range of Motion, Articular; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed / Q000379:methods*; D055815:Young Adult