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Full-Text Articles in Life Sciences

Effects Of Carbohydrate-Protein Ingestion Post-Resistance Training In Male Rugby Players, Colin J. Coyle Msc, Bernard Donne, Nick J. Mahony Jan 2012

Effects Of Carbohydrate-Protein Ingestion Post-Resistance Training In Male Rugby Players, Colin J. Coyle Msc, Bernard Donne, Nick J. Mahony

International Journal of Exercise Science

Evidence suggests that carbohydrate-protein (CHO-PRO) drinks post-exercise are an advantageous nutritional recovery intervention. Resistance trained (n = 14, mean ± SD; age 19 ± 1 yr, mass 95 ± 9 kg, % fat 17 ± 4 % and BMI 28.5 ± 1.8 kg.m-2) male rugby players participated in a study investigating effects of carbohydrate (CHO) and CHO-PRO drinks on subsequent resistance exercise performance. Following an initial resistance training (RT) protocol consisting of 8 circuits of 5 discrete exercises at 10 repetition maximum (RM), participants received 10 mL.kg-1 BM of randomised sports drink (LCHO, HCHO and CHO-PRO) on …


The Effects Of Muscle Mass On Homocyst(E)Ine Levels In Plasma And Urine, M. René Malinow, Craig L. Lister, Carl De Crée Jan 2012

The Effects Of Muscle Mass On Homocyst(E)Ine Levels In Plasma And Urine, M. René Malinow, Craig L. Lister, Carl De Crée

International Journal of Exercise Science

The present study was designed to examine the relationship between homocyst(e)ine (H[e]) lev-els and muscle mass. Two experimental groups each of 24 Caucasian males, one consisting of higher-muscle mass subjects (HMM) and the other of lower-muscle mass subjects (LMM) par-ticipated in this study. Muscle mass was estimated from 24-hour urine collections of creatinine (Crt). Muscle mass was 40.3 ± 15.9 kg in HMM and 37.2 ± 11.4 kg in LMM (P= 0.002). Mean plasma H(e) levels in HMM were 10.29 ± 2.9 nmol/mL, and in LMM were 10.02 ± 2.4 nmol/L (Not significant, [NS]). Urinary H(e) levels (UH[e]) were 9.95 …


Stability Ball Sitting Versus Chair Sitting During Sub-Maximal Arm Ergometry, Charles R.C Marks, Kristina E. Hylland, Jacob Terrell Jan 2012

Stability Ball Sitting Versus Chair Sitting During Sub-Maximal Arm Ergometry, Charles R.C Marks, Kristina E. Hylland, Jacob Terrell

International Journal of Exercise Science

Purpose: It was predicted that sitting on a stability ball during arm ergometry would elevate cardiovascular parameters when compared to sitting on a chair and that this would be associated with greater recruitment of trunk and leg skeletal muscles. Methods: Open-circuit spirometry, video taping, blood pressure, heart rate, and EMG were conducted during rest and four minute stages of 15 W, 30 W, and 45 W using a Monark arm ergometer. Twenty-six apparently healthy adults exercised twice, once sitting on a stability ball and the other sitting on a chair (order randomized), with 45 to 60 minutes of rest between. …


Fitnessgram® Friday: A Middle School Physical Activity And Fitness Intervention, Tinker D. Murray, James Eldridge, Pete Silvius, Erik Silvius, William G. Squires Jr. Jan 2012

Fitnessgram® Friday: A Middle School Physical Activity And Fitness Intervention, Tinker D. Murray, James Eldridge, Pete Silvius, Erik Silvius, William G. Squires Jr.

International Journal of Exercise Science

Texas Senate Bill 530 (2007) mandated fitness assessment as part of the annual K-8 Physical Education (PE) curricula, yet no studies have reported interventions designed to improve and quantify individual student passing rates or individual school performance. Students (Total 2008-2010 N=1484; 729 females, 755 males; mean age = 11.85 y; mean BMI = 22.69 or > 90%-tile, overweight) were evaluated on individual FITNESSGRAM® performances in a cross-sectional analysis of 6th graders comparing baseline scores (year 1) with outcomes of a physical activity intervention in years 2 and 3. Students participated in regular PE classes (including campus wellness center activities) with a …


The International Journal Of Exercise Science: 2011 Year In Review, T. Scott Lyons, Jenny Hutchens, James W. Navalta Jan 2012

The International Journal Of Exercise Science: 2011 Year In Review, T. Scott Lyons, Jenny Hutchens, James W. Navalta

International Journal of Exercise Science

The International Journal of Exercise Science: 2011 Year in Review