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BACKGROUND Studies investigating peroneal muscle reaction times in chronically unstable ankle joints present conflicting results. The degree of reliability and accuracy of these measurements is unknown in patients with chronic ankle instability (CAI). METHODS 40 patients with CAI and 30 healthy subjects were tested using a sudden ankle inversion of 50(More)
BACKGROUND The assessment of outcomes from the patient's perspective becomes more recognized in health care. Also in patients with chronic ankle instability, the degree of present impairments, disabilities and participation problems should be documented from the perspective of the patient. The decision about which patient-assessed instrument is most(More)
The purpose of this study is to correlate the measurement of anterior knee laxity using the Rolimeter with the functional outcome of anterior cruciate ligament (ACL) deficient knees. We tested 29 patients (12 males/17 females) with an average age of 33 years (range 19-47) that had been treated for ACL rupture, either by reconstruction or conservatively. The(More)
OBJECTIVE To evaluate the clinical efficacy of transcutaneous electric nerve stimulation in the treatment of postoperative knee arthroplasty pain and to relate these results to the stimulation parameters used. DATA SOURCES PubMed, Pedro and Web of Knowledge were systematically screened for studies investigating effects of transcutaneous electric nerve(More)
STUDY DESIGN Comparative study of differences in functional control during ankle supination in the standing position in matched stable and unstable ankles (ex post facto design). OBJECTIVES To document acceleration and deceleration during ankle supination in the standing position and to determine differences in control of supination perturbation between(More)
BACKGROUND AND PURPOSE The Chronic Fatigue Syndrome-Activities and Participation Questionnaire (CFS-APQ) is a recently developed disease-specific assessment tool for monitoring activity limitations and participation restrictions in patients with chronic fatigue syndrome (CFS). In this study, the convergent validity, content validity, and test-retest(More)
BACKGROUND Bone marrow lesions (BMLs) are considered as predictors of pain, disability, and structural progression of knee osteoarthritis. The relationship between knee loading and BMLs is not yet completely understood. PURPOSE To summarize the available evidence regarding the relationship between joint loading and the prevalence and progression of BMLs(More)
CONTEXT Sudden ankle inversion tests have been used to investigate whether the onset of peroneal muscle activity is delayed in patients with chronically unstable ankle joints. Before interpreting test results of latency times in patients with chronic ankle instability and healthy subjects, the reliability of these measures must be first demonstrated. (More)
STUDY DESIGN A 2-group experimental design. OBJECTIVE To investigate differences in postural control strategies of pelvis and trunk movement between nonspecific chronic low back pain (CLBP) patients and healthy control subjects using 3-dimensional motion analysis. SUMMARY OF BACKGROUND DATA Increased postural sway assessed by center of pressure(More)
Patients suffering from functional ankle instability were selected based on a structured interview. Talar tilt was measured using supine ankle stress roentgenographs and standing talar tilt was measured using erect ankle stress roentgenographs. A digital roentgenocinematographic analysis of a 50 degrees ankle sprain simulation was performed to measure(More)