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Zan Gao

Background:

Dance Dance Revolution (DDR) is considered a tool to help children promote a healthy active lifestyle. Empirical studies in this field have been largely unexplored. The purpose of this study was to examine the relationships between students’ mastery experiences, situational motivation, and physical activity levels in DDR.

Methods:

One hundred and ninety-five seventh, eighth, and ninth graders participated in a 2-week DDR unit. Students’ physical activity levels and situational motivation [intrinsic motivation (IM), identified regulation (IR), external regulation, and amotivation) were measured for 3 classes.

Results:

Students were motivated to play DDR, but their moderate-to-vigorous physical activity (MVPA) was low (ie, mean = 4.95%). In addition, students with successful mastery experiences had significantly higher IM, IR, and MVPA.

Conclusions:

Although students were motivated for DDR, they were not physically active in DDR. In addition, successful mastery experience played an important role in students’ motivation and physical activity levels in DDR.

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Jeffrey J. Martin, Kimberly Oliver and Nate McCaughtry

Theoretically grounded research on the determinants of Mexican American children’s physical activity and related psychosocial variables is scarce. Thus, the purpose of our investigation was to evaluate the ability of the theory of planned behavior (TPB) to predict Mexican American children’s self-reported moderate-to-vigorous physical activity (MVPA). Children (N = 475, ages 9-12) completed questionnaires assessing the TPB constructs and MVPA. Multiple regression analyses provided moderate support for the ability of the TPB variables to predict MVPA as we accounted for between 8-9% of the variance in MVPA. Attitude, subjective norm, and perceived behavioral control accounted for 45% of the variance in intention. Descriptive results were encouraging because mean values indicated that most children had positive attitudes, moderately strong intentions, felt in control, and perceived support from significant others (i.e., physical education teachers) for their physical activity engagement.

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Deborah Cohen, Molly Scott, Frank Zhen Wang, Thomas L. McKenzie and Dwayne Porter

Building design and grounds might contribute to physical activity, and youth spend much of their daylight hours at school. We examined the associations among school building footprints, the size of school grounds, and in-school physical activity of 1566 sixth-grade girls from medium to large middle schools enrolled in the Trial of Activity for Adolescent Girls (TAAG). The school building footprint and the number of active outdoor amenities were associated with physical activity among adolescent girls. On average, the school footprint size accounted for 4% of all light physical activity and 16% of all MET-weight moderate-to-vigorous physical activity (MW-MVPA) during school hours. Active outdoor amenities accounted for 29% of all MW-MVPA during school. School design appears to be associated with physical activity, but it is likely that programming (eg, physical education, intramurals, club sports), social factors, and school siting are more important determinants of total physical activity.

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Laura N. Desha, Jenny M. Ziviani, Jan M. Nicholson, Graham Martin and Ross E. Darnell

This study employed ordinal logistic regression analyses to investigate the relationship between American adolescents’ participation in physical activity and depressive symptomatology. Data were drawn from the second Child Development Supplement to the Panel Study of Income Dynamics (CDS II), which was conducted over 2002-2003. Fewer than 60% of adolescents were found to accumulate 60 min of moderate-to-vigorous physical activity (MVPA) outside of school hours on week or weekend days. Accumulated duration of MVPA was not, however, significantly associated with severity of depressive symptoms for either gender. Males who were not involved in sporting clubs or lessons were more likely than males who were highly involved to experience greater severity of depressive symptoms (OR = 3.24, CI = 1.33, 7.87). Results highlight gender variability in the psychosocial correlates of sporting participation and prompt further investigation of the relevance of current physical activity guidelines for mental health in adolescence.

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Kelly R. Evenson, Kimberly B. Morland, Fang Wen and Kathleen Scanlin

This study describes moderate to vigorous physical activity (MVPA) and sedentary behavior among New York City (NYC) residents 60 years and older and compared with national United States’ estimates. Adults aged 60 or older living in NYC (n = 760) were compared with similar aged adults from the National Health and Nutrition Examination Survey (NHANES; n = 2,451 adults). Both groups wore an ActiGraph accelerometer for one week. The NYC sample recorded 13.2, 23.8, and 37.8 mean min/day of MVPA and the NHANES sample recorded 10.6, 21.1, and 39.3, depending on the definition. Sedentary behavior averaged 9.6 hr/day for the NYC sample and 9.3 hr/day for the NHANES sample. The NYC sample spent a longer proportion of time in sedentary behavior and light activities, but more time in MVPA than the NHANES sample. Urbanicity may explain some of the differences between the two samples.

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Tanya M.F. Scarapicchia, Catherine M. Sabiston, Ross E. Andersen and Enrique Garcia Bengoechea

Young inactive healthy-weight females (n = 42) were randomly assigned to exercise at a self-selected pace on a treadmill beside a confederate who was providing either intrinsic or externally regulated verbal primes. Heart rate (HR), rating of perceived exertion (RPE), percentage of time spent in moderate-to-vigorous physical activity (MVPA), and exercise continuance were recorded. Participants completed a self-report questionnaire assessing mood pre- and postexercise session and postexercise motivational outcomes. The intrinsic motivation group reported higher RPE values after 8 min of exercise, had higher recorded HR measures at all 5 recorded time points, exercised at a higher %HR max, spent more time in MVPA, and were more likely to continue to exercise than participants in the externally regulated motivation group. A time effect was noted for vigor. Based on these findings, exercise motivation can be “contagious” through verbal primes, suggesting that exercising with or around intrinsically motivated individuals may have beneficial outcomes.

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Eleanor B. Tate, Anuja Shah, Malia Jones, Mary Ann Pentz, Yue Liao and Genevieve Dunton

Background:

Research on adolescent physical activity is mixed regarding the role of parent activity. This study tested parent encouragement, direct modeling, and perceived influence as moderators of objectively-measured (accelerometer) parent and child moderate-to-vigorous physical activity (MVPA) associations.

Methods:

Parent-child dyads (n = 423; mean child age = 11.33 yrs.) wore accelerometers for 7 days; parents completed surveys. Hierarchical linear regression models tested moderation using a product of constituent terms interaction.

Results:

Parent-reported encouragement moderated the association between parent and child MVPA (β = –.15, P = .01, ΔR2 = .02, P < .01). Among parents with lower MVPA, child MVPA was higher for children receiving high encouragement (mean = 3.06, SE = .17) vs. low (mean = 3.03, SE = .15, P = .02) and moderate encouragement (mean = 3.40, SE = .09) vs. low (P = .04).

Conclusions:

Physical activity promotion programs may use parent encouragement as a tool to boost child activity, but must consider other child and parent characteristics that could attenuate effects.

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Nathalie Aelterman, Maarten Vansteenkiste, Hilde Van Keer, Lynn Van den Berghe, Jotie De Meyer and Leen Haerens

Despite evidence for the utility of self-determination theory in physical education, few studies used objective indicators of physical activity and mapped out between-class, relative to between-student, differences in physical activity. This study investigated whether moderate-to-vigorous physical activity (MVPA) and rated collective engagement in physical education were associated with autonomous motivation, controlled motivation, and amotivation at the between-class and between-student levels. Participants were 739 pupils (46.3% boys, M age = 14.36 ± 1.94) from 46 secondary school classes in Flanders (Belgium). Multilevel analyses indicated that 37% and 63% of the variance in MVPA was explained by between-student and between-class differences, respectively. Students’ personal autonomous motivation related positively to MVPA. Average autonomous class motivation was positively related to between-class variation in MVPA and collective engagement. Average controlled class motivation and average class amotivation were negatively associated with collective engagement. The findings are discussed in light of self-determination theory’s emphasis on quality of motivation.

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Stewart G. Trost, Bronwyn Fees and David Dzewaltowski

Background:

This study evaluated the effect of a “move and learn” curriculum on physical activity (PA) in 3- to 5-year-olds attending a half-day preschool program.

Methods:

Classrooms were randomized to receive an 8-week move and learn program or complete their usual curriculum. In intervention classes, opportunities for PA were integrated into all aspects of the preschool curriculum, including math, science, language arts, and nutrition education. Changes in PA were measured objectively using accelerometry and direct observation.

Results:

At the completion of the 8-week intervention, children completing the move and learn curriculum exhibited significantly higher levels of classroom moderate-to-vigorous physical activity (MVPA) than children completing their usual curriculum. Significant differences were also noted for classroom VPA over the final 2 weeks.

Conclusion:

The results suggest that integrating movement experiences into an existing early childhood curriculum is feasible and a potentially effective strategy for promoting PA in preschool children.

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Kerry E. Costello, Janie L. Astephen Wilson and Cheryl L. Hubley-Kozey

Purpose: 1) To compare group-level physical activity calculated from a single versus multiple non-consecutive, one-week accelerometer monitoring periods in individuals with medial-compartment knee osteoarthritis and asymptomatic controls; and 2) to examine agreement among these estimates of physical activity at the individual-level. Methods: Accelerometer data from 38 individuals with knee osteoarthritis and 47 asymptomatic individuals was collected during three non-consecutive monitoring periods over one year. General linear models examined the effects of number of sessions averaged (one, two, or three) and group on light and moderate-to-vigorous intensity physical activity, step count, and sedentary behavior. Bland Altman analyses examined agreement between one-, two-, and/or three-session averages. Results: There were no sessions by group interactions. There was a main effect of sessions for sedentary behavior that was borderline significant when expressed as percent wear time. Limits of agreement indicated that two-session average versus single-session metrics could differ by ±50 minutes for light physical activity, ±20 minutes for moderate-to-vigorous physical activity, and ±2100 steps per day. Conclusions: These data suggest that objective physical activity monitoring practices might differ between clinical research, where group data are compared, and clinical decision making, where individual data are compared. Good estimates of group level differences in step count, light, and moderate-to-vigorous physical activity were found using a single session of accelerometer data, but a single session of sedentary behavior data should take wear time into account. The large limits of agreement indicate that multiple sessions may be needed to compare these metrics among or within individuals.