Limits to the measurement of habitual physical activity by questionnaires * Commentary
نویسندگان
چکیده
منابع مشابه
Limits to the measurement of habitual physical activity by questionnaires.
Despite extensive use over 40 years, physical activity questionnaires still show limited reliability and validity. Measurements have value in indicating conditions where an increase in physical activity would be beneficial and in monitoring changes in population activity. However, attempts at detailed interpretation in terms of exercise dosage and the extent of resulting health benefits seem pr...
متن کاملSystematic review of the measurement properties of self-report physical activity questionnaires in healthy adult populations
OBJECTIVE This systematic review evaluated the measurement properties of current self-report physical activity questionnaires (SRPAQs) completed within healthy adult populations. DESIGN Two reviewers independently searched seven electronic databases and hand searched for articles investigating measurement properties of a SRPAQ evaluating physical activity over the previous 6 months. Articles ...
متن کامل[Structured review of physical activity measurement with questionnaires and scales in older adults and the elderly].
OBJECTIVE To characterize the distinct questionnaires and scales used to measure physical activity, their conceptual frameworks, psychometric properties and application norms. METHOD The review included original articles that used questionnaires or scales to assess physical activity in older adults or the elderly. The CINAHL and MEDLINE databases were consulted for the years 1993 to 2007. The...
متن کاملHabitual Physical Activity in Mitochondrial Disease
PURPOSE Mitochondrial disease is the most common neuromuscular disease and has a profound impact upon daily life, disease and longevity. Exercise therapy has been shown to improve mitochondrial function in patients with mitochondrial disease. However, no information exists about the level of habitual physical activity of people with mitochondrial disease and its relationship with clinical pheno...
متن کاملcontrol of the optical properties of nanoparticles by laser fields
در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: British Journal of Sports Medicine
سال: 2003
ISSN: 0306-3674
DOI: 10.1136/bjsm.37.3.197