Convention 29 Richard B. Kreider, PhD 1
Update Curves / Avon Fitness Challenge Weight Loss Challenge 3/3 Diet Update Impact What is the greatest impact of starting the Curves fitness program? A. Weight Loss B. Fitness Gains C. Health Gains D. Attitude Change 2
Participants (29,22) 44.8±13 yrs 185.1±44 lbs 64.5±3 in 31.3±7 BMI 38.3±7 % body fat (BIA) 76±11 bpm (8,49) 124±16/8±11 BP (11,24) 194±35 mg/dl CHL (2,138) 11±28 mg/dl Glucose (1,423) Fitness Challenge II -.5-1 -.7-1.5-2 -2.5-3 -1.8-2.6-2.2-1.6-3.5-4 -4.5 All data significant (p<.) -3.9 -.9% -1.8% -1.9% -1.6% -2.1% -.6% n=14,535 n=14,396 n=13548 n=3,87 n=3,87 n=473 3
Alchohol Intake (wk) Alchohol Intake (month) Calcium Intake Sugar Intake Fiber Intake Fat Intake 1 5 6.6 7-5 -1-1 -15-2 -19-24.2-22.4-25 -3 Pre- to Post Percent Changes (p<.5) Attitudes / Barriers about Exercise Impact of Curves Pre / Post Unsure 13.4% / 2.2% Uncomfortable 2.7% / 4.7% No Time 47.7% / 26.9% Too Tired 35.6% / 17.2% Too Boring 8.9% / 2.7% No Need to Lose 1.2% /.7% Disability 4.3% / 2.8% 4
Fitness Challenge II Significant improvements in body composition, markers of health, and health behaviors can be achieved within 3-days of starting Curves! What is the greatest impact of starting Curves? A. Weight Loss B. Fitness Gains C. Health Gains D. Attitude Change 5
Is the Curves program more effective than other fitness and weight loss programs? A. Yes B. No C. Don t know Weight Loss Challenge vs 6
8.5 Months of Curves Training Study Design Testing Intervals 2 Wk 1,2 kcal/d 8 Wk 1,6 kcal/d Curves/GM Program (HCHO) versus Special K Weight Loss Program 6 Months 2,6 kcal/d Intermittent 2d @ 1,2 kcal/d Participants (81) 41.1±11 yrs 35.5±5 BMI At, 2, 1, 14, 22, 36 W: Dietary Records (4-d) Psychometric Tests Body Composition/Bone Density (DEXA) Total Body Water (BIA) Hip & waist measurement Resting HR & BP Fasting Blood Samples (12h) Resting Energy Expenditure (REE) At, 1, 14, 22, 36 W : Maximal Stress Test 1RM Bench Press 8% of 1RM on Bench Press 1RM Leg Press 8% of 1RM on Leg Press Side effects were monitored by an RN on a weekly basis lbs -1-2 -3-4 -5-6 -7-8 -9-1 Weight Loss FASEB J. 72.7, 72.8, LB458, 29 1 14 22 36 Weeks Curves SK 7
-1 Fat Loss FASEB J. 72.7, 72.8, LB458, 29 lbs -2-3 -4-5 -6-7 1 14 22 36 Weeks Curves SK Physical Actvity Physical Activity 25 6 2 5 Minutes/Week 15 1 5 Days/Week 4 3 2 1 Moderate Vigorous Moderate Vigorous Curves SK Curves SK 8
Weight Loss Challenge Curves structured fitness and weight loss program was more effective than the Special K Diet Program! Is the Curves program more effective than other fitness and weight loss programs? A. Yes B. No C. Don t know 9
Is the Curves 3/3 diet effective? A. Yes B. No C. Don t know Curves 3/3 Study Purpose To optimize metabolic changes in response to weight loss Attempt to promote a stepwise reduction in weight Attempt to have less of a negative impact on metabolism Attempt to promote adherence 1
Curves 3/3 Study Design Preliminary Results 6 Months of Curves Training 1 Wk 1,2 kcal/d 1 Month 2,2 kcal/d 1 Wk 1,2 kcal/d 1 Month 2,2 kcal/d 1 Wk 1,2 kcal/d 1 Month 2,2 kcal/d 3 Wk 1,5 kcal/d Intermittent 2d / 1,2 kcal/d 3 Wk 1,5 kcal/d Intermittent 2d / 1,2 kcal/d 3 Wk 1,5 kcal/d Intermittent 2d / 1,2 kcal/d n = 25 Curves Smart (3/wk) 3 min walk (3/wk) At, 1, 2, 3, 4, 5, 6 M: Dietary Records (4-d) Psychometric Tests Body Composition/Bone Density (DEXA) Total Body Water (BIA) Hip & waist measurement Resting HR & BP Fasting Blood Samples (12h) Resting Energy Expenditure (REE) At, 3, 6 M : Maximal Stress Test 1RM Bench Press 8% of 1RM on Bench Press 1RM Leg Press 8% of 1RM on Leg Press Side effects were monitored by an RN on a weekly basis 3/3 Study 2 Body Mass 2 Change (lbs) 4 6 8 Progressive weight loss! 1 12 14 JISSN 6:P17, 29 n = 16 1 2 3 4 Months Exercise Exercise + 3/3 Diet 11
3/3 Study 2.5 2 Resting Energy Expenditure JISSN 6:P17, 29 n = 16 Change (kcals/kg/d d) 19.5 19 18.5 Energy expenditure rebounds! 18 17.5 1 2 3 4 Months Exercise Exercise + 3/3 Diet 3/3 Study -1 Weight Loss n = 25-2 -3-4 lbs -5-6 -7 High protein diet more effective! -8-9 -1 1 2 3 Months CHO PRO 12
3/3 Study Fat Loss -1 n = 25-2 -3 lbs -4-5 High protein diet more effective! -6-7 -8 1 2 3 Months CHO PRO 3/3 Study -1 Resting Energy Expenditure n = 25 kcals/kg/day -1-2 High protein diet more effective in maintaining REE! -2-3 1 2 3 Months CHO PRO 13
Curves 3/3 Diet Preliminary data idi indicates that the Curves 3/3 diet plan is an effective way to promote progressive weight loss while preventing large decreases in metabolism! Is the Curves 3/3 diet effective? A. Yes B. No C. Too early to tell 14
Is Curves research making an impact? A. Yes B. No C. Don t know Research Collaborations Cleveland Clinic Texas A&M Baylor McGill Health Center of South Florida Bell Institute for Human Nutrition UT Southwestern Medical Center Curves Research of Oklahoma United States Military Academy Indian Nations Kansas Northeastern of Mary Hardin Baylor Lee 15
Research Impact Blue Cross / Blue Shield Silver Sneakers American Heart Association American Diabetes Association American Cancer Society National Institute for Health Curves Research American Obesity Association Internation al Society of Sport Nutrition American College of Sports Medicine Metabolism Society American Society for Nutrition / FASEB American Council for Exercise National Strength & Conditioning Association Is Curves research making an impact? A. Yes B. No C. Don t know 16
The most extensively studied and scientifically validated exercise & weight loss program in the world! esnl.tamu.edu curves.tamu.edu ExerciseAndSportNutrition.com 17