学术期刊为什么要向作者收取版面费

1、期刊杂志 http:/ What is Jump into Action? Team taught, nutrition and physical activity program Designed to change behaviors related to nutrition and physical activityProgram that works Developed, tested and evaluated by Baylor College of Medicine Updated and adapted for Missouri by a team at the Univers

2、ity of Missouri Nutritional Sciences DepartmentWhy target fifth grade students? Can understand cause and effect relationships. Beginning to make independent decisions about food choices and physical activity habits.How does Jump into Action fit into the curriculum? 8 Classroom lessons can be taught

3、once or twice a week for 4-8 weeks. Monthly check-ups help reinforce goals and behaviors throughout the school year.What is expected of schools selected for participation? Designated school contact to attend training and coordinate evaluation. School team - Physical education teacher, school nurse a

4、nd classroom teachers - to implement and evaluate program.What is provided? Student activity books Teachers guide Instructional materials Assessment & evaluation Training Support Family newslettersHow much does Jump into Action cost?Program materials are provided at no cost thanks to funding support

5、. How does the Jump into Action team work? Physical Education Teacher: physical activity lessons and pedometers to help students increase physical activity time. Classroom Teacher: nutrition lessons and instructional materials to help students make better food choices. School Nurse: diabetes lesson

6、to help students understand the risks and concerns about type 2 diabetes. Parents: support for students as they examine their physical activity and eating behaviors and set goals to improve their choices. Together: team encourages students to be more physically active and make food choices for a hea

7、lthy weight.How does the Jump into Action team work?Who trains and supports the Jump into Action team?Ann Cohen, MS, RDSteve Ball, PhD How is Jump into Action evaluated?Student Outcomes:Nutrition and physical activity knowledge, self-efficacy and behaviorsInitial surveyProgram completion surveyMonth

8、ly check-up surveySchool Team Process:Program Implementation QuestionnaireOverweight and Inactive Tripled in last 20 years Children spend more time watching TV than going to school Does the CULTURE of a school advocate activity and health?Percent of obese/overweight youth who become obese adults by

9、age categoryDietz WH. Health consequences of obesity in youth: childhood predictors of adult disease. Supp Pediatr. 1998;3 (101):518-525. Must A and Strauss RS. Risk and consequences of childhood and adolescent obesity. Int J Obesity. 1999;23(Suppl 2):S2-S11. Youth at Risk.Activity Levels By StepsTe

10、rtilesTertilesGirls 6-12Girls 6-12a aTrendTrendMost Active14,000Level Least Active 8-9,000LevelTertilesTertilesBoys 6-12Boys 6-12b bTrendTrendMost Active16-17,000Up Least Active 10,000DownaN = 325 bN=386Youth At Risk.BMI Levels by ActivityTertiles Tertiles Girls 6-12Girls 6-12a aTrendTrendMost Activ

11、e15.5-20.55 pts upLeast Active 15.2-24.99.7 pts upTertilesTertilesBoys 6-12Boys 6-12b bTrendTrendMost Active 16.5-18.01.5 pts upLeast Active 15.9-24.99 pts upaN = 325 bN=386Girls - % Overweight/Obese*CountryLeast ActiveMore ActiveMost ActiveTotalU.S.48.0%35.9%22.8%35.6%Sweden23.3%20.5%6.5%16.8%Austr

12、alia20.7%12.5%10.4%14.4%*Using International standards from Cole, et al., Br. Med. J. 320:1-6, 2000.Boys - % Overweight/Obese*CountryLeast ActiveMore ActiveMost ActiveTotalU.S.46.7%24.5%18.8%33.5%Sweden22.9%18.0%17.7%16.6%Australia18.8%17.7%10.9%15.8%*Using International standards from Cole, et al.,

13、 Br. Med. J. 320:1-6, 2000.Teacher Accountability Fitness “Hitched our wagon” to fitness Used the pretest posttest model which primarily reveals growth improvement, not training Emphasizes intensity of exercise which obese kids dont accept Kids are more obese than ever even in good P.E. programsTeac

14、her Accountability Skill Skill development as a measure of teacher success Skill measurement is difficult at best takes time away from learning Is genetically controlled and favors highly skilled youth discourages unskilled youth Very few valid and reliable measures are available to teachers.Teacher

15、 Accountability Physical Activity All youth can be active no genetic limitations Suitable for all youth unskilled and overweight Can be measured objectively with pedometers All youth can increase their activityPhysical ActivityA Better Goal for Youth Regular activity increases the probability of an

16、active adult lifestyle. All youth have the capability to perform some type of activity Moderate activity offers health benefits similar to fitness Activity helps those who need it most - unskilled and obese youthWhere Students Accumulate ActivityMorgan, C. F., Pangrazi, R. P., & Beighle, A. (2003).

17、Using pedometers to promote physical activity in physical education. Journal of Physical Education Recreation and Dance, 74(7), 33-38.Activity Time, Distance, or Step Counts? Distance least accurate due to stride variations and directionality Step Counts shows variation based on the physical (geneti

18、c) traits of each individual Activity Time most accurate and meaningful to kids and parentsWhy Activity Time? Vast majority of activity recommendations are based on time Least variation between individuals reduces comparative differences Allows teachers to see how much activity students are receivin

19、g in class Basic Pedometer Outcomes Allow time to overcome the novelty stage Teach how to put on quickly and on the move Teach where to place the pedometer for highest accuracy Teach what the pedometer measures - - activity time, step counts, and distance covered Learn how to determine baseline acti

20、vity level and set personal activity goalsPedometer Protocol Number your pedometers Check out a pedometer to each student Explain what pedometers measure Explain the reset and mode buttons and practice using themPedometer Protocol Let students shake and look; walk and look; reset and clear many times Explain placement of the pedometer over the kneecap on the waistline Vert