Validity of the international physical activity questionnaire short form (IPAQ-SF): A systematic review

PH Lee, DJ Macfarlane, TH Lam… - International journal of …, 2011 - Springer
Abstract Background The International Physical Activity Questionnaire-Short Form (IPAQ-SF)
has been recommended as a cost-effective method to assess physical activity. Several …

How many steps/day are enough? For adults

C Tudor-Locke, CL Craig, WJ Brown… - International Journal of …, 2011 - Springer
Physical activity guidelines from around the world are typically expressed in terms of
frequency, duration, and intensity parameters. Objective monitoring using pedometers and …

Validation and comparison of ActiGraph activity monitors

JE Sasaki, D John, PS Freedson - Journal of science and medicine in sport, 2011 - Elsevier
Objective: To compare activity counts from the ActiGraph GT3X to those from the ActiGraph
GT1M during treadmill walking/running. A secondary aim was to develop tri-axial vector …

Physical activity in US adults: compliance with the physical activity guidelines for Americans

JM Tucker, GJ Welk, NK Beyler - American journal of preventive medicine, 2011 - Elsevier
BACKGROUND: To date, no study has objectively measured physical activity levels among
US adults according to the 2008 Physical Activity Guidelines for Americans (PAGA) …

Sensor positioning for activity recognition using wearable accelerometers

L Atallah, B Lo, R King, GZ Yang - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Activities of daily living are important for assessing changes in physical and behavioral
profiles of the general population over time, particularly for the elderly and patients with …

Estimation of daily energy expenditure in pregnant and non-pregnant women using a wrist-worn tri-axial accelerometer

VT van Hees, F Renström, A Wright, A Gradmark… - PloS one, 2011 - journals.plos.org
Background Few studies have compared the validity of objective measures of physical
activity energy expenditure (PAEE) in pregnant and non-pregnant women. PAEE is …

Prevalence and correlates of objectively measured physical activity and sedentary behavior among US pregnant women

KR Evenson, F Wen - Preventive medicine, 2011 - Elsevier
OBJECTIVE: Physical activity is recommended for pregnant women without medical or
obstetric complications. This study described the prevalence and correlates of objectively …

[PDF][PDF] Longitudinal analysis of sleep in relation to BMI and body fat in children: the FLAME study

PJ Carter, BJ Taylor, SM Williams, RW Taylor - Bmj, 2011 - bmj.com
Objectives To determine whether reduced sleep is associated with differences in body
composition and the risk of becoming overweight in young children. Design Longitudinal …

A comprehensive evaluation of commonly used accelerometer energy expenditure and MET prediction equations

K Lyden, SL Kozey, JW Staudenmeyer… - European journal of …, 2011 - Springer
Numerous accelerometers and prediction methods are used to estimate energy expenditure
(EE). Validation studies have been limited to small sample sizes in which participants …

[HTML][HTML] Are women with fibromyalgia less physically active than healthy women?

MJ Mcloughlin, LH Colbert, AJ Stegner… - Medicine and science …, 2011 - ncbi.nlm.nih.gov
Purpose The primary purpose was to quantify and compare physical activity in fibromyalgia
(FM) patients to age-matched healthy controls using both objective and self-report …