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1 Chin J Sports Med,March 2004,Vol. 23,No ( ) 2 3 4,,,,,, ; (BMI) 10 ;, 13kg/ ; 1 ; 1600kcal/ d ( ) 1300kcal/ d(), ( ), ;, ; ; ; ; ; Evaluation of the Outcome of an Organized, Semi - Closed Program for Weight Reduction in Community Ai Hua 1, Liang Huanguo 2, Ruan Wei 3 and Zhao Lei 4 1 Institute of Sports Medicine, 3 rd Hospital, Peking University, Beijing , China 2 College of Physical Education and Sports, Beijing Normal University, Beijing , China 3 Sports Center, China Central Television, Beijing , China 4 Beijing Body Works Sports Center, Beijing , China Abstract The purpose of the present study is to evaluate the outcome of an organized, semi - closed gro2 gram for weight reduction in community, and to provide the helpful suggestions for the reasonable goal, rate, duration, energy intake, exercise intensity and amount for weight - reduction program. The results showed that the organized semi - closed program for weight reduction in community is effective and especially suitable for one who are unable to control body weight by themselves. Reducing 10 of body mass index (BMI) is reason2 able target in the program. The rate of 13kg per month for reducing weight is acceptable for the young obese adults with severely overweight. The recommendation for the program duration is about one month. It is better to keep dietary energy intake under 1600 kcal/ d for man and 1300 kcal/ d for woman. It is appropriate to take moderate exercise intensity within 5070 of maximal heart rate and moderate exercise amount. The weight - reducing program should be supervised under experts or specialists to avoid any exercise - induced injuries and other medical problems. The supplementation of complex of vitamins and minerals is recommended during the period of weight reduction. Certain medicines for inhibiting the sense of hunger can be used if necessary. Key words weight reduction, energy intake, exercise intensity, physical activity level,, [1-4 ] :, cn. net 转载

2 , = ( - ) (50 70 ) +, = [5 ],, 1. 5,,,, 1. 6,, 011kg,, (BMI), kg/ m 2 ( / 1 [ ],, ( 1),, (WHO) [8, ] :, 2530cm, ,, 85cm, 80cm, ,, t BMI t 1600kcal BMI P < 0105 (6169MJ), 1300kcal (5144MJ) , 2, 1), 20, 24,,,, 1 ;,,Karvonen,4 [6 ], 1,, :2 ), 12 [7 28, ], P < Chin J Sports Med,March 2004,Vol. 23,No ( BMI Classification 1 Table 1 General information of the participants Number Male Average age Number Female Average age < Underweight Normal weight Overweight Light obesity

3 Chin J Sports Med,March 2004,Vol. 23,No. 2 BMI Classification Number Male Average age Number Female 1 Average age Moderate obesity > 36 severe obesity Total Time 2 Table 2 Time schedule for the participants Getting up MondaySaturday Sunday 7 30 Breakfast Activities 8 30 Leaving for the field by bus Exercising Leaving for the restaurant by bus Lunch Noon break Leaving for the field by bus Exercising Leaving for the hotel by bus Spare time Supper Spare time Going to bed 2, Spare time for whole day except 2 organized activities outdoor. Meal times as same as above. Foods in the diet Category 3 Table 3 The daily food and energy intake of the participants (g) Amount (g) Protein (kcal) Energy and its sources (kcal) Fat Carbohydrate : Grain Male Meat Egg Milk Vegetable Fruit Oil Others Total of total energy : Grain Female Meat Egg Milk Total

4 Foods in the diet Category Note :1kcal = kJ (g) Amount (g) Protein 3 (kcal) Energy and its sources (kcal) Fat Chin J Sports Med,March 2004,Vol. 23,No Carbohydrate Vegetable Fruit Oil Others Total of total energy Total 3,6 (, ( ), 250g 170g), 50g ( 4) 1 2, 250g, 500g, 15g, 10g 1531 kcal 65 3 (6140MJ) 1211 kcal (5107MJ ), , ( 2) ( 4) , Time 1 6 MondaySaturday : AM 4 Table 4 The training program and the exercise intensity for the participants Warm - up exercise Exercise items and target heart rate ( THR) :2,4 ( : , ) Aerobic exercise on treadmill. THR ( of maximal heart rate) : for the first 2 weeks, for the last 4 weeks :, 1 2, ( :60 65 ) Resistance exercise with multiple muscle groups. THR : Cool - down activity ( :50 60 ) PM Calisthenics. THR : :, 1 2, ( :60 65 ) Resistance exercise with multiple muscle groups. THR : Sunday : ( :60 65 ) Waist and abdominal muscle exercise. THR : Cool - down activity 2, Spare time for whole day except 2 organized activities outdoor.

5 Chin J Sports Med,March 2004,Vol. 23,No. 2 5 (kg) Table 5 The reduced body weight in the different weeks (kg) st week 2nd week 3rd week 4th week 5th week 6th week average/ week Male : MO SO Mean Female : OW LO MO SO Mean : BMI < 24 Note : The data from the participants whose original BMI was less than 24 were not calculated. OW: overweight ; LO : light obesity ; MO : moderate obesity ; SO : severe obesity. (5), 1,, ( P > 0105) 1 6 BMI Fig. 1 The change of BMI in 6 - week period of the weight reduction program : 6 (25,37) Note : The data from the participants (male 25 and female 37) who finished completely the weight reduction program of 6 weeks. period of the weight reduction program 1, 6 : 6,BMI (25,37) BMI Note : The data from the participants (male 25 and female 37) 4185, 4118, ( P < ) ; who finished completely the weight reduction program of 6 weeks , 3159, ( P < ), BMI , (BMI 28),, BMI ( P > 85cm, 80cm 0105) 2 6 Fig. 2 The change of the waist circumference in 6 - week 2,

6 6, 13170cm, ( P < ), , 11148cm cm,, ( P > 15106cm, ( P < ) ; 0105) cm cm, Chin J Sports Med,March 2004,Vol. 23,No Male : 6 (cm) Table 6 The reduced waist circumference in the different weeks (cm) st week 2nd week 3rd week 4th week 5th week 6th week average/ week MO SO Mean Female : OW LO MO SO Mean :BMI < 24 Note : The data from the participants whose original BMI was less than 24 were not calculated. OW: overweight ; LO : light obesity ; MO : moderate obesity ; SO : severe obesity. Male : 7 Table 7 The numbers of drop - out in the different weeks ( ) Initial No. 1st week 2nd week 3rd week 4th week 5th week 6th week of drop - out LO MO SO Total of drop - out Female : OW LO MO SO Total of drop - out :BMI < 24 Note : The data from the participants whose original BMI were less than 24 were not calculated. OW: overweight ; LO : light obesity ; MO : moderate obesity ; SO : severe obesity.

7 Chin J Sports Med,March 2004,Vol. 23,No. 2 (6), 1178, 1164 :, ;, 4263kcal/ d,, ( P > 0. 05) 2782kcal/ d 1531kcal/, 1 d, 1211kcal/ d ( 3), 7, 2, 19124kcal 10997kcal 1kg ; 3, kcal,, 6, kg, 1157kg, ,, ( 1) (4263kcal/ d), ( 63kg ),4 2700kcal/ d [10 ] 120kg,, 1,, kcal/ d,, :,, ;,,,, 13kg,, 2103kg/, 1157kg/, 8112kg/ 6128kg/,,, 20, 24 (1), kcal, kcal,, kg, 87172kg, 1531 kcal (6. 40MJ ), 1211 kcal (5. 07MJ ) ( 3),, 4,,,, 13kg,,, ( 12 ) 500g 250g, BMI 5 15,, [8,9 WHO ],,,, :, = (kg + 679) 95 ( ) ; : = ( 12, 3 kg + 496) 95, BMI, kg , 87172kg ; 2017, 2412 ; 2103kg/ 1157kg/ ( 5),,, 1513, 1417 ; (BMI 28)

8 Chin J Sports Med,March 2004,Vol. 23,No , [8 ], 2,,,,,,, ,,, BMI 10 7,, 1 2 3,4 5, 13kg/ 1 6, , () ( 3, ),,,,,,1,,, 1600kcal/ d ( ) 1300kcal/ d ( : (5 ),,, ), 4, [1 ] Kopelman PG. Obesity as a medical problem. Nature, 2000,,1 404 (6778) : , [2 ]..,2002,23(1) :1-2. [3 ]. :.,2002,23(1) :3-5., [4 ],,. /.,2003,19(1) :121 -, 122. ; [5 ]..,2003,31, (3) :2-3.,, [6 ],..,, 1. :, , [7 ]. :.,,, 2002,23(1) :5-10., [8 ].. 1, :,,2001 :1-16, [9 ].., 1, :, [10 ]..,,2001,23(3) : , ( )