CHANGES IN BODY COMPOSITION AFTER ENDURANCE TRAINING AND TRIATHLON COMPETITION
Journal Title: Human Movement - Year 2011, Vol 12, Issue 4
Abstract
Purpose. The aim of this study was to investigate the effects of training and triathlon competition on anthropometry, plasmatic free fatty acids (FFA) and hydration status. Methods. Twelve male triathletes were submitted to a 12-week training program to compete in the “32° Pirassununga Half Ironman”. Anthropometric measurements such as skinfold thickness and bioelectrical impedance (BIA) as well as urine and blood samples were collected at three intervals: at the beginning of the training program (M-1), before (M-2) and after competition (M-3). FFA were analyzed using a NEFA-C kit. Urine pH and densitywas determined using reagent tapes and a manual refractometer. Data were analyzed using one-way ANOVA and the Tukey-Kramer post-test (p < 0.05). Results. No differences were found for body mass (M-1 = 71.83, M-2 = 74.22, M-3 = 72.15 kg), percent body fat using skinfolds (M-1 = 10.98, M-2 = 10.92, M-3 = 10.40%), urine density (M-1 = 1.02, M-2 = 1.01, M-3 = 1.02) and urine pH (M-1 = 6.00, M-2 = 5.92, M-3 = 5.35). For BIA and FFA, differences were found after competition (BIA: M-1 =13.54, M-2 = 13.91, M-3 = 9.45%; FFA: M-1 = 0.16, M-2 = 0.15, M-3 = 1.69 mEq/L). Conclusions. These results illustrate the effects of training and competition on body composition and FFA mobilization. Additionally, after five hours of effort, no evidence of dehydration was found after the race.
Authors and Affiliations
Enrico F. Puggina, Dalmo Roberto Lopes Machado, Gustavo Andre Borges, Valdir Jose Barbanti
Methods of determining hip joint centre: their influence on the 3-D kinematics of the hip and knee during the fencing lunge
Purpose. The lunge is a fundamental offensive fencing technique, common to all contemporary fencing styles. Therefore, when using 3-D kinematic analysis to quantify lower extremity rotations during the fencing lunge, it...
EFFECTS OF SMALL-SIDED SOCCER GAMES ON INTERNAL AND EXTERNAL LOAD AND LOWER LIMB POWER: A PILOT STUDY IN COLLEGIATE PLAYERS
Purpose. The aim of the study was to examine the influence of small-sided and conditioned games (SSG) on the internal load (heart rate [HR] and perceived exertion), external load (Global Positioning System variables), an...
The effect of task-oriented sensorimotor exercise on visual feedback control of body position and body balance
Purpose. The study evaluates the effect of task-oriented sensorimotor exercise on visual feedback control of body position and parameters of static and dynamic balance. Basic procedures. A group of 20 PE students (aged 2...
INTRA- AND INTER-EXAMINER RELIABILITY IN ANGULAR MEASUREMENTS OF THE KNEE WITH A SMARTPHONE APPLICATION
Purpose. Goniometric smartphone applications to measure joint angles offer greater practicality and accessibility, which makes them potential alternatives to a conventional goniometer. The aim of the present study was to...
Gait asymmetry during dual-task obstacle crossing in the young and elderly
Purpose. To evaluate gait asymmetry during obstacle crossing by young and elderly adults performing normal and dual-task gait. Methods. Ten healthy young adults and ten elderly adults with mild cognitive impairment perfo...