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Paper Information

Journal:   OLYMPIC   SUMMER 2008 , Volume 16 , Number 2 (SERIAL 42); Page(s) 7 To 17.
 
Paper: 

ACUTE EFFECTS OF AEROBIC AND RESISTANCE EXERCISE ON SERUM LEPTIN AND SOME RISK FACTORS OF CORONARY HEART DISEASE IN OBESE GIRLS

 
 
Author(s):  HOJATI ZAHRA*, RAHMANINIA FARHAD, SOLTANI BAHRAM, RAHNAMA NADER
 
* DEPARTMENT OF SPORT SCIENCES, UNIVERSITY OF GUILAN
 
Abstract: 

Six young obese girls (20.5 ±1.22, BMI = 34.5±4.3 kg/m2) participated in resistance protocol (11 exercise, 4 sets ´15 repetitions at 60% of 1 RM with 1.5 min of rest between sets), aerobic exercise (3 sets ´ 10 min ergo meter cycling at 60% to 70% of maximal heart rate with 5 min of rest between sets) and control sessions. Blood samples were collected before and immediately after exercise and 10 hours of recovery. ANOVA (3´3) with repeated measure was used to determine the effects of exercise protocol, time and exercise protocol by blood sampling time interaction, triglycerides, HDL-C, LDL-C, and glucose concentrations. Serum leptin immediately and 10 hours past aerobic exercise exhibited significant reductions (p<0.01). Serum Insulin was lower at the two trails after aerobic exercise too (p<0.05). Furthermore, no differences were found in serum leptin and insulin between resistance protocol and control sessions immediately after exercise and about 10 hours of recovery (p<0.05). Blood glucose, total cholesterol, HDL-C and LDL-C were unchanged on either exercise protocols (p<0.05). In conclusion, typical aerobic exercise protocol designed same as this study resulted in serum leptin and insulin reduction when sampled immediately or about 10 hour postexercise; but the resistance protocol did not result in plasma leptin and insulin changes.

 
Keyword(s): CORONARY HEART DISEASE, EXERCISE, LEPTIN, OBESITY
 
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