OBJECTIVES To compare the validity, responsiveness to change, and user friendliness of four self completed, shoulder-specific questionnaires in primary care. METHODS A cross sectional assessment of validity and a longitudinal assessment of responsiveness to change of four shoulder questionnaires was carried out: the Dutch Shoulder Disability Questionnaire (SDQ-NL); the United Kingdom Shoulder...

The annual prevalence and incidence of people consulting for a shoulder condition is about 2.4% in the UK [1]. Shoulder pain in the population is also a longterm disabling symptom with about 50% complaining of symptoms 3 years after onset[2]. Common conditions that can result in chronic shoulder pain include rotator cuff disorders, frozen shoulder, shoulder instability, and shoulder arthritis. ...

The purpose of this study was to compare the effect of shoulder abduction angles, dominant and non-dominant arm and external loading on co-contraction ratio during arm abduction in scapular plane in overhead athletes and non-athletes. 10 swimmers, 10 handball players and 10 tennis players and ten non-athletes voluntarily participated in this study. Electromyography activity of shoulder muscles ...

BACKGROUND Acromioclavicular joint separations are very common lesions, with the majority falling into Rockwood classification type I and II. It is generally agreed that conservative treatment of these injuries leads to good functional results, although there are some studies that suggest these injuries are associated with a high incidence of persistent symptoms. HYPOTHESIS Type I and II acro...

Osteoarthritis (O.A) affects over 50 million Americans. This includes mostly O.A of the shoulder, hip, and knee. Shoulder osteoarthritis (O.A) has been demonstrated in cadaver and radiographic studies to affect up to 33% of patients over the age of 60 [1]. Patients with shoulder O.A have pain, crepitus, decreased ability to place their hand at a desired point in space and loss of motion, severe...