Patellofemoral Joint Pain Continued from Page 35 • duration of pain, greater than three months Those with a previous history of knee surgery, traumatic patellar dislocation, or neurological deficit that would influ- ence gait were excluded. Subjects attended two laboratory sessions, and all sub- jects were issued a standard pair of running shoes to mini- mize that potential confounder. For patients with bilateral symptoms, the more painful side was used for testing. On the first visit, three dimensional motion analysis and EMG recordings were taken during three tasks: 1. running 2. step-down 3. drop jump At the second lab visit, isometric strength measurements were recorded for the following motions using a handheld dynamometer: 1. hip extension (performed prone with knee bent) 2. hip abduction (performed side-lying) Group differences were assessed across tasks using a mixed-design two-way analysis of variance and indepen- dent t-tests. • For article with references, please visit www.canadianchiro- practor.ca CLASSIFIEDS EXPERIENCE A NEW TABLE TODAY. Let Nora’s re-upholster your chiropractic table. Over the weekend service available. Custom covers available in a wide range of colours. It’s magic. Call 905-737-0100 or Cell: 416-909-2752. Chiropractic Practice Sales Dr. Thomas C. Preston Tel: (705) 495-3330 Fax: (705) 495-0467 E-mail: [email protected] www.chiropracticpracticesales.com Serving both buyers & sellers of quality chiropractic practices! Helping you transition to the next phase of your life! 36 • CANAdiAN ChirOPrACTOr | JUNE 2009 www.canadianchiropractor.ca
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