Background Accurate assessment is required to assess current and changing physical
activity levels, and to evaluate the effectiveness of interventions designed to increase activity …

Despite extensive use over 40 years, physical activity questionnaires still show limited
reliability and validity. Measurements have value in indicating conditions where an increase …

6 Guidelines((“guideline”[pt] OR “practice guideline”[pt] OR “health planning guidelines”[mh]
OR “consensus development conference”[pt] OR “consensus development conference …

OBJECTIVES: To compare the validity of a parsimonious frailty index (components: weight
loss, inability to rise from a chair, and poor energy (Study of Osteoporotic Fractures (SOF) …

Physical inactivity is one of the four leading risk factors for global mortality. Accurate
measurement of physical activity (PA) and in particular by physical activity questionnaires …

OBJECTIVE: First, to validate the LASA Physical Activity Questionnaire (LAPAQ) by a 7-day
diary and a pedometer in older persons. Second, to assess the repeatability of the LAPAQ …

Despite widespread use of accelerometers to objectively monitor physical activity among
adults and youth, little attention has been given to older populations. The purpose of this …

Washburn RA, Zhu W, McAuley E, Frogley M, Figoni SF. The Physical Activity Scale for
Individuals with Physical Disabilities: development and evaluation. Arch Phys Med Rehabil …

Background Due to physiological and cognitive changes that occur with aging, accurate
physical activity (PA) measurement in older adults represents a unique challenge. The …

ABSTRACT HARADA, ND, V. CHIU, AC KING, and AL STEWART. An evaluation of three self-
report physical activity instruments for older adults. Med. Sci. Sports Exerc., Vol. 33, No. 6 …